854
FNUS51 KPBZ 170530
FWFPBZ

Fire Weather Planning Forecast
National Weather Service Pittsburgh PA
1230 AM EST Mon Nov 17 2025

.DISCUSSION...
Wind gusts can once again peak between 25-30 mph this afternoon
before winds calm overnight and remain low into midweek. RH
bottoms out in the mid 30 percents in eastern Ohio today. Lake
effect snow will continue across the far north through this
afternoon. A passing system brings a rain/snow mix back to the
region by early Tuesday.


OHZ039-172115-
Tuscarawas-
Including the cities of New Philadelphia and Dover
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Mclear       Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            80
Chance of Thunder (%) 0            0            0
Temp (24h trend)      44 (-2)      27 (-1)      41
RH % (24h trend)      38 (0)       89 (+11)     75
Wind 20ft/early(mph)  W  8         Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   NW  8 G17    Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.20
Precip Duration                                 10
Precip Begin                                    6 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1330                      350
Mixing Hgt(ft-agl/msl)4350                      1150
Transport Wnd (mph)   NW 20                     SE  8
Vent Rate (kt-ft)     73950                     8050
Category Day          4                         1
Inversion             34F/9am      5pm          38F/12pm
Dispersion            4                         1
Max ADI Early         72 Good      4 Very Poor  8 Poor
Max ADI Late          75 Good      3 Very Poor  13 Gen Poor
Max LVORI Early       4            3            5
Max LVORI Late        2            5            5

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ040-172115-
Carroll-
Including the cities of Carrollton and Malvern
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Mclear       Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            80
Chance of Thunder (%) 0            0            0
Temp (24h trend)      43 (-1)      26 (-3)      40
RH % (24h trend)      40 (+1)      84 (+9)      75
Wind 20ft/early(mph)  W 10 G18     Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   NW 10 G18    Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.16
Precip Duration                                 11
Precip Begin                                    6 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1390                      330
Mixing Hgt(ft-agl/msl)4550                      1090
Transport Wnd (mph)   NW 21                     SE  8
Vent Rate (kt-ft)     81900                     7630
Category Day          4                         1
Inversion             34F/9am      5pm          38F/2pm
Dispersion            4                         1
Max ADI Early         78 Good      4 Very Poor  7 Poor
Max ADI Late          84 Good      3 Very Poor  12 Poor
Max LVORI Early       4            3            5
Max LVORI Late        2            5            5

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ041-172115-
Columbiana-
Including the cities of East Liverpool, Salem, and Columbiana
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Pcldy        Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            80
Chance of Thunder (%) 0            0            0
Temp (24h trend)      43 (-3)      25 (-5)      39
RH % (24h trend)      45 (+3)      84 (+10)     75
Wind 20ft/early(mph)  W 10 G19     Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   NW 11 G19    Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.12
Precip Duration                                 10
Precip Begin                                    6 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1480                      350
Mixing Hgt(ft-agl/msl)4860                      1160
Transport Wnd (mph)   NW 24                     S  6
Vent Rate (kt-ft)     102060                    5800
Category Day          5                         1
Inversion             32F/8am      6pm          36F/11am
Dispersion            5                         1
Max ADI Early         80 Good      4 Very Poor  9 Poor
Max ADI Late          95 Good      4 Very Poor  9 Poor
Max LVORI Early       3            4            4
Max LVORI Late        2            5            5

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ048-172115-
Coshocton-
Including the city of Coshocton
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Clear        Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            80
Chance of Thunder (%) 0            0            0
Temp (24h trend)      45 (-2)      28 (0)       41
RH % (24h trend)      38 (+1)      92 (+12)     75
Wind 20ft/early(mph)  W  6         Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   W  7         Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.26
Precip Duration                                 10
Precip Begin                                    6 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1300                      380
Mixing Hgt(ft-agl/msl)4250                      1240
Transport Wnd (mph)   W 18                      SE 10
Vent Rate (kt-ft)     68000                     11160
Category Day          4                         1
Inversion             34F/9am      5pm          37F/11am
Dispersion            4                         1
Max ADI Early         67 Good      4 Very Poor  10 Poor
Max ADI Late          86 Good      3 Very Poor  14 Gen Poor
Max LVORI Early       4            3            6
Max LVORI Late        2            5            5

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ049-172115-
Harrison-
Including the city of Cadiz
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Mclear       Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            90
Chance of Thunder (%) 0            0            0
Temp (24h trend)      45 (-1)      27 (-1)      41
RH % (24h trend)      37 (+2)      85 (+9)      75
Wind 20ft/early(mph)  W  9 G18     Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   NW  9 G19    Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.22
Precip Duration                                 11
Precip Begin                                    6 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1360                      320
Mixing Hgt(ft-agl/msl)4480                      1040
Transport Wnd (mph)   W 21                      SE  8
Vent Rate (kt-ft)     80640                     7280
Category Day          4                         1
Inversion             34F/9am      5pm          Continuing
Dispersion            4                         1
Max ADI Early         73 Good      4 Very Poor  7 Poor
Max ADI Late          80 Good      3 Very Poor  12 Poor
Max LVORI Early       4            3            5
Max LVORI Late        2            5            5

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ050-172115-
Jefferson OH-
Including the city of Steubenville
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Mclear       Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            80
Chance of Thunder (%) 0            0            0
Temp (24h trend)      44 (-2)      27 (-3)      41
RH % (24h trend)      37 (+2)      81 (+10)     72
Wind 20ft/early(mph)  W 10 G18     Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   NW 10 G19    Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.19
Precip Duration                                 10
Precip Begin                                    6 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1450                      340
Mixing Hgt(ft-agl/msl)4760                      1100
Transport Wnd (mph)   W 22                      SE  7
Vent Rate (kt-ft)     90440                     6600
Category Day          4                         1
Inversion             34F/9am      5pm          Continuing
Dispersion            4                         1
Max ADI Early         83 Good      4 Very Poor  8 Poor
Max ADI Late          90 Good      3 Very Poor  10 Poor
Max LVORI Early       3            3            4
Max LVORI Late        2            4            5

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ057-172115-
Muskingum-
Including the city of Zanesville
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Clear        Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            80
Chance of Thunder (%) 0            0            0
Temp (24h trend)      46 (-4)      29 (+1)      42
RH % (24h trend)      37 (+4)      92 (+12)     75
Wind 20ft/early(mph)  W  5         Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   W  7         Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.33
Precip Duration                                 10
Precip Begin                                    6 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1250                      360
Mixing Hgt(ft-agl/msl)4110                      1190
Transport Wnd (mph)   W 18                      SE 10
Vent Rate (kt-ft)     65760                     10710
Category Day          4                         1
Inversion             34F/9am      5pm          39F/12pm
Dispersion            4                         1
Max ADI Early         69 Good      4 Very Poor  9 Poor
Max ADI Late          87 Good      3 Very Poor  14 Gen Poor
Max LVORI Early       4            3            6
Max LVORI Late        2            5            5

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ058-172115-
Guernsey-
Including the city of Cambridge
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Clear        Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            80
Chance of Thunder (%) 0            0            0
Temp (24h trend)      46 (-3)      28 (0)       42
RH % (24h trend)      36 (+3)      89 (+10)     76
Wind 20ft/early(mph)  W  6         Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   W  7         Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.31
Precip Duration                                 10
Precip Begin                                    6 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1300                      350
Mixing Hgt(ft-agl/msl)4270                      1160
Transport Wnd (mph)   W 18                      SE  9
Vent Rate (kt-ft)     68320                     9280
Category Day          4                         1
Inversion             35F/9am      5pm          40F/1pm
Dispersion            4                         1
Max ADI Early         69 Good      4 Very Poor  7 Poor
Max ADI Late          90 Good      3 Very Poor  14 Gen Poor
Max LVORI Early       4            3            5
Max LVORI Late        2            5            5

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ059-172115-
Belmont-
Including the cities of Martins Ferry and St. Clairsville
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Clear        Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            80
Chance of Thunder (%) 0            0            0
Temp (24h trend)      46 (-2)      28 (-1)      42
RH % (24h trend)      36 (+5)      86 (+11)     72
Wind 20ft/early(mph)  W  8 G18     Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   W  9 G18     Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.30
Precip Duration                                 11
Precip Begin                                    6 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1380                      310
Mixing Hgt(ft-agl/msl)4510                      1010
Transport Wnd (mph)   W 21                      SE  8
Vent Rate (kt-ft)     81180                     7070
Category Day          4                         1
Inversion             35F/9am      5pm          Continuing
Dispersion            4                         1
Max ADI Early         74 Good      4 Very Poor  7 Poor
Max ADI Late          80 Good      3 Very Poor  11 Poor
Max LVORI Early       4            3            5
Max LVORI Late        2            4            5

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ068-172115-
Noble-
Including the city of Caldwell
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Clear        Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            90
Chance of Thunder (%) 0            0            0
Temp (24h trend)      47 (-3)      29 (+1)      43
RH % (24h trend)      36 (+4)      88 (+9)      76
Wind 20ft/early(mph)  W  5         Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   W  6         Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.36
Precip Duration                                 11
Precip Begin                                    6 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1280                      340
Mixing Hgt(ft-agl/msl)4190                      1120
Transport Wnd (mph)   W 18                      SE  9
Vent Rate (kt-ft)     67040                     8960
Category Day          4                         1
Inversion             35F/9am      5pm          41F/1pm
Dispersion            4                         1
Max ADI Early         74 Good      4 Very Poor  8 Poor
Max ADI Late          90 Good      3 Very Poor  13 Gen Poor
Max LVORI Early       4            3            5
Max LVORI Late        2            5            5

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ069-172115-
Monroe-
Including the city of Woodsfield
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Clear        Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            80
Chance of Thunder (%) 0            0            0
Temp (24h trend)      47 (-2)      29 (0)       43
RH % (24h trend)      35 (+6)      87 (+11)     74
Wind 20ft/early(mph)  W  6         Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   NW  7        Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.38
Precip Duration                                 11
Precip Begin                                    6 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1330                      340
Mixing Hgt(ft-agl/msl)4350                      1120
Transport Wnd (mph)   W 20                      SE  9
Vent Rate (kt-ft)     73950                     8960
Category Day          4                         1
Inversion             36F/9am      5pm          41F/1pm
Dispersion            4                         1
Max ADI Early         72 Good      4 Very Poor  7 Poor
Max ADI Late          91 Good      3 Very Poor  11 Poor
Max LVORI Early       4            3            5
Max LVORI Late        2            4            5

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ007-172115-
Mercer-
Including the cities of Sharon, Hermitage, and Grove City
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Mcldy        Pcldy        Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            60
Chance of Thunder (%) 0            0            0
Temp (24h trend)      40 (0)       24 (-6)      40
RH % (24h trend)      53 (-9)      92 (+13)     73
Wind 20ft/early(mph)  W 12 G21     Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   NW 12 G22    Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.04
Precip Duration                                 5
Precip Begin                                    7 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1620                      540
Mixing Hgt(ft-agl/msl)5310                      1760
Transport Wnd (mph)   NW 28                     SW  7
Vent Rate (kt-ft)     127440                    10560
Category Day          5                         1
Inversion             31F/8am      7pm          35F/10am
Dispersion            5                         1
Max ADI Early         85 Good      14 Gen Poor  13 Gen Poor
Max ADI Late          85 Good      4 Very Poor  12 Poor
Max LVORI Early       3            5            5
Max LVORI Late        1            6            5

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ008-172115-
Venango-
Including the cities of Oil City and Franklin
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Mcldy        Pcldy        Mcldy
Precip Type           Snow Showers None         Snow/Rain
Chance Precip (%)     30           0            50
Chance of Thunder (%) 0            0            0
Temp (24h trend)      39 (0)       24 (-5)      40
RH % (24h trend)      56 (-2)      93 (+6)      69
Wind 20ft/early(mph)  W 12 G21     W  5         Lgt/Var
Wind 20ft/late(mph)   W 11 G22     Lgt/Var      Lgt/Var
Precip Amount         0.02         0.00         0.02
Precip Duration       1                         2
Precip Begin          6 AM                      7 AM
Precip End            1 PM                      Continuing
Mixing Hgt(m-agl/msl) 1590                      710
Mixing Hgt(ft-agl/msl)5230                      2330
Transport Wnd (mph)   NW 28                     SW  8
Vent Rate (kt-ft)     125520                    16310
Category Day          5                         2
Inversion             30F/8am      6pm          31F/9am
Dispersion            5                         2
Max ADI Early         74 Good      13 Gen Poor  22 Fair
Max ADI Late          83 Good      5 Very Poor  18 Gen Poor
Max LVORI Early       4            4            5
Max LVORI Late        2            6            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ009-172115-
Forest-
Including the city of Tionesta
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Mcldy        Mcldy        Mcldy
Precip Type           Snow Showers None         Snow
Chance Precip (%)     60           0            40
Chance of Thunder (%) 0            0            0
Temp (24h trend)      38 (-1)      23 (-5)      40
RH % (24h trend)      60 (0)       92 (+1)      62
Wind 20ft/early(mph)  W  9 G22     W  5         Lgt/Var
Wind 20ft/late(mph)   W 10 G22     Lgt/Var      Lgt/Var
Precip Amount         0.13         0.00         0.01
Precip Duration       3                         2
Precip Begin          6 AM                      7 AM
Precip End            5 PM                      Continuing
Mixing Hgt(m-agl/msl) 1070                      850
Mixing Hgt(ft-agl/msl)3500                      2800
Transport Wnd (mph)   NW 25                     W  9
Vent Rate (kt-ft)     77000                     22400
Category Day          4                         2
Inversion             29F/8am      6pm          27F/8am
Dispersion            4                         2
Max ADI Early         53 Gen Good  14 Gen Poor  31 Fair
Max ADI Late          61 Good      6 Very Poor  32 Fair
Max LVORI Early       4            4            5
Max LVORI Late        3            6            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ013-172115-
Lawrence-
Including the cities of New Castle and Ellwood City
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Pcldy        Pcldy        Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            70
Chance of Thunder (%) 0            0            0
Temp (24h trend)      43 (0)       23 (-7)      40
RH % (24h trend)      47 (-9)      89 (+13)     75
Wind 20ft/early(mph)  W 10 G19     Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   NW 11 G19    Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.07
Precip Duration                                 5
Precip Begin                                    7 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1600                      470
Mixing Hgt(ft-agl/msl)5240                      1550
Transport Wnd (mph)   NW 28                     S  6
Vent Rate (kt-ft)     125760                    7750
Category Day          5                         1
Inversion             32F/8am      6pm          36F/10am
Dispersion            5                         1
Max ADI Early         79 Good      7 Poor       10 Poor
Max ADI Late          104 Very Good4 Very Poor  11 Poor
Max LVORI Early       3            5            5
Max LVORI Late        2            6            5

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ014-172115-
Butler-
Including the city of Butler
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Pcldy        Pcldy        Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            70
Chance of Thunder (%) 0            0            0
Temp (24h trend)      42 (0)       23 (-6)      40
RH % (24h trend)      51 (-10)     92 (+13)     75
Wind 20ft/early(mph)  W 11 G20     Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   W 11 G20     Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.06
Precip Duration                                 5
Precip Begin                                    7 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1600                      480
Mixing Hgt(ft-agl/msl)5250                      1580
Transport Wnd (mph)   NW 29                     SW  6
Vent Rate (kt-ft)     131250                    7900
Category Day          5                         1
Inversion             31F/8am      6pm          35F/10am
Dispersion            5                         1
Max ADI Early         83 Good      8 Poor       11 Poor
Max ADI Late          88 Good      4 Very Poor  11 Poor
Max LVORI Early       3            4            5
Max LVORI Late        1            6            5

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ015-172115-
Clarion-
Including the city of Clarion
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Mcldy        Pcldy        Mcldy
Precip Type           Snow Showers None         Snow/Rain
Chance Precip (%)     20           0            50
Chance of Thunder (%) 0            0            0
Temp (24h trend)      41 (+1)      24 (-5)      40
RH % (24h trend)      53 (-6)      91 (+9)      65
Wind 20ft/early(mph)  W 11 G23     W  5         Lgt/Var
Wind 20ft/late(mph)   W 11 G23     Lgt/Var      Lgt/Var
Precip Amount         0.01         0.00         0.03
Precip Duration       1                         2
Precip Begin          6 AM                      7 AM
Precip End            11 AM                     Continuing
Mixing Hgt(m-agl/msl) 1640                      690
Mixing Hgt(ft-agl/msl)5400                      2270
Transport Wnd (mph)   NW 30                     SW  9
Vent Rate (kt-ft)     140400                    18160
Category Day          5                         2
Inversion             30F/8am      7pm          31F/9am
Dispersion            5                         2
Max ADI Early         83 Good      18 Gen Poor  26 Fair
Max ADI Late          93 Good      6 Very Poor  23 Fair
Max LVORI Early       3            4            5
Max LVORI Late        1            6            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ016-172115-
Jefferson PA-
Including the cities of Punxsutawney and Brookville
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Mcldy        Pcldy        Mcldy
Precip Type           Snow Showers None         Snow/Rain
Chance Precip (%)     20           0            50
Chance of Thunder (%) 0            0            0
Temp (24h trend)      38 (-3)      24 (-5)      39
RH % (24h trend)      53 (-3)      88 (+5)      61
Wind 20ft/early(mph)  W 13 G23     W  7 G17     Lgt/Var
Wind 20ft/late(mph)   W 13 G24     Lgt/Var      Lgt/Var
Precip Amount         0.04         0.00         0.03
Precip Duration       1                         2
Precip Begin          6 AM                      7 AM
Precip End            11 AM                     Continuing
Mixing Hgt(m-agl/msl) 1520                      760
Mixing Hgt(ft-agl/msl)5000                      2490
Transport Wnd (mph)   NW 29                     W  9
Vent Rate (kt-ft)     125000                    19920
Category Day          5                         2
Inversion             30F/8am      7pm          31F/9am
Dispersion            5                         2
Max ADI Early         74 Good      19 Gen Poor  32 Fair
Max ADI Late          88 Good      8 Poor       31 Fair
Max LVORI Early       3            4            5
Max LVORI Late        1            5            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ020-172115-
Beaver-
Including the cities of Aliquippa, Beaver Falls, Ambridge,
and Monaca
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Pcldy        Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            70
Chance of Thunder (%) 0            0            0
Temp (24h trend)      43 (-4)      25 (-6)      40
RH % (24h trend)      44 (+1)      84 (+12)     74
Wind 20ft/early(mph)  W 10 G19     Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   NW 10 G19    Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.12
Precip Duration                                 8
Precip Begin                                    6 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1570                      420
Mixing Hgt(ft-agl/msl)5160                      1370
Transport Wnd (mph)   NW 26                     S  6
Vent Rate (kt-ft)     118680                    6850
Category Day          5                         1
Inversion             32F/8am      6pm          37F/11am
Dispersion            5                         1
Max ADI Early         78 Good      5 Very Poor  10 Poor
Max ADI Late          97 Good      4 Very Poor  9 Poor
Max LVORI Early       3            3            4
Max LVORI Late        2            5            5

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ021-172115-
Allegheny-
Including the city of Pittsburgh Metro Area
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Pcldy        Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            80
Chance of Thunder (%) 0            0            0
Temp (24h trend)      43 (-2)      25 (-7)      41
RH % (24h trend)      43 (+1)      87 (+15)     75
Wind 20ft/early(mph)  W 12 G21     Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   W 12 G21     Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.13
Precip Duration                                 10
Precip Begin                                    6 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1600                      400
Mixing Hgt(ft-agl/msl)5250                      1300
Transport Wnd (mph)   NW 26                     S  6
Vent Rate (kt-ft)     120750                    6500
Category Day          5                         1
Inversion             33F/8am      6pm          36F/10am
Dispersion            5                         1
Max ADI Early         78 Good      7 Poor       11 Poor
Max ADI Late          91 Good      4 Very Poor  10 Poor
Max LVORI Early       3            4            4
Max LVORI Late        2            5            5

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ022-172115-
Armstrong-
Including the cities of Kittanning and Ford City
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Pcldy        Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            60
Chance of Thunder (%) 0            0            0
Temp (24h trend)      43 (0)       24 (-6)      40
RH % (24h trend)      50 (-11)     92 (+14)     71
Wind 20ft/early(mph)  W 12 G22     W  5         Lgt/Var
Wind 20ft/late(mph)   W 12 G23     Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.06
Precip Duration                                 5
Precip Begin                                    7 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1640                      530
Mixing Hgt(ft-agl/msl)5390                      1740
Transport Wnd (mph)   NW 29                     SW  7
Vent Rate (kt-ft)     134750                    10440
Category Day          5                         1
Inversion             31F/8am      6pm          35F/10am
Dispersion            5                         1
Max ADI Early         89 Good      10 Poor      16 Gen Poor
Max ADI Late          91 Good      4 Very Poor  14 Gen Poor
Max LVORI Early       4            4            5
Max LVORI Late        1            6            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ029-172115-
Washington-
Including the cities of Washington and Canonsburg
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Mclear       Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            80
Chance of Thunder (%) 0            0            0
Temp (24h trend)      44 (-3)      26 (-4)      41
RH % (24h trend)      39 (+4)      83 (+12)     74
Wind 20ft/early(mph)  W 11 G20     Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   W 12 G21     Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.20
Precip Duration                                 10
Precip Begin                                    6 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1520                      360
Mixing Hgt(ft-agl/msl)4970                      1180
Transport Wnd (mph)   W 24                      SW  9
Vent Rate (kt-ft)     104370                    9440
Category Day          5                         1
Inversion             32F/8am      6pm          37F/11am
Dispersion            5                         1
Max ADI Early         67 Good      5 Very Poor  11 Poor
Max ADI Late          85 Good      4 Very Poor  9 Poor
Max LVORI Early       3            3            4
Max LVORI Late        2            4            5

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ031-172115-
Greene-
Including the city of Waynesburg
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Mclear       Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            80
Chance of Thunder (%) 0            0            0
Temp (24h trend)      44 (-5)      26 (-4)      42
RH % (24h trend)      39 (+8)      85 (+12)     74
Wind 20ft/early(mph)  W 10 G18     Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   W 10 G19     Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.33
Precip Duration                                 10
Precip Begin                                    6 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1480                      300
Mixing Hgt(ft-agl/msl)4860                      980
Transport Wnd (mph)   W 22                      S  8
Vent Rate (kt-ft)     92340                     6860
Category Day          4                         1
Inversion             31F/8am      5pm          Continuing
Dispersion            4                         1
Max ADI Early         86 Good      4 Very Poor  8 Poor
Max ADI Late          92 Good      3 Very Poor  8 Poor
Max LVORI Early       3            3            4
Max LVORI Late        2            4            6

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ073-172115-
Westmoreland-
Including the cities of Murrysville, Greensburg, New Kensington,
Lower Burrell, Latrobe, and Monessen
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Pcldy        Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            80
Chance of Thunder (%) 0            0            0
Temp (24h trend)      43 (-3)      24 (-6)      42
RH % (24h trend)      44 (0)       89 (+14)     71
Wind 20ft/early(mph)  W 14 G23     W  5         Lgt/Var
Wind 20ft/late(mph)   W 14 G22     Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.14
Precip Duration                                 6
Precip Begin                                    7 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1620                      430
Mixing Hgt(ft-agl/msl)5330                      1390
Transport Wnd (mph)   W 26                      SW  7
Vent Rate (kt-ft)     122590                    8340
Category Day          5                         1
Inversion             32F/8am      6pm          37F/10am
Dispersion            5                         1
Max ADI Early         82 Good      8 Poor       13 Gen Poor
Max ADI Late          86 Good      4 Very Poor  11 Poor
Max LVORI Early       3            4            4
Max LVORI Late        2            6            5

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ074-172115-
Higher Elevations of Westmoreland-
Including the cities of Ligonier and Donegal
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Pcldy        Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            80
Chance of Thunder (%) 0            0            0
Temp (24h trend)      42 (-2)      25 (-5)      42
RH % (24h trend)      41 (-2)      79 (+5)      62
Wind 20ft/early(mph)  W 15 G27     W  7 G20     Lgt/Var
Wind 20ft/late(mph)   W 14 G25     Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.15
Precip Duration                                 6
Precip Begin                                    7 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1580                      540
Mixing Hgt(ft-agl/msl)5170                      1760
Transport Wnd (mph)   W 30                      SW  8
Vent Rate (kt-ft)     134420                    12320
Category Day          5                         2
Inversion             30F/6am      6pm          34F/9am
Dispersion            5                         2
Max ADI Early         90 Good      11 Poor      19 Gen Poor
Max ADI Late          92 Good      5 Very Poor  15 Gen Poor
Max LVORI Early       3            3            4
Max LVORI Late        1            4            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ075-172115-
Fayette-
Including the city of Uniontown
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Mclear       Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            80
Chance of Thunder (%) 0            0            0
Temp (24h trend)      44 (-4)      25 (-5)      43
RH % (24h trend)      40 (+7)      84 (+10)     72
Wind 20ft/early(mph)  W 11 G20     Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   W 11 G20     Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.26
Precip Duration                                 10
Precip Begin                                    6 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1560                      430
Mixing Hgt(ft-agl/msl)5130                      1420
Transport Wnd (mph)   W 22                      SW 10
Vent Rate (kt-ft)     97470                     12780
Category Day          4                         2
Inversion             32F/8am      6pm          35F/9am
Dispersion            4                         2
Max ADI Early         84 Good      5 Very Poor  18 Gen Poor
Max ADI Late          95 Good      4 Very Poor  11 Poor
Max LVORI Early       3            3            4
Max LVORI Late        2            5            6

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ076-172115-
Higher Elevations of Fayette-
Including the cities of Champion and Ohiopyle
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Mclear       Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            80
Chance of Thunder (%) 0            0            0
Temp (24h trend)      42 (-2)      25 (-3)      42
RH % (24h trend)      40 (+3)      80 (+3)      68
Wind 20ft/early(mph)  W 12 G23     Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   W 10 G23     Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.30
Precip Duration                                 10
Precip Begin                                    6 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1390                      440
Mixing Hgt(ft-agl/msl)4550                      1450
Transport Wnd (mph)   W 26                      SW 10
Vent Rate (kt-ft)     104650                    13050
Category Day          5                         2
Inversion             29F/8am      5pm          36F/10am
Dispersion            5                         2
Max ADI Early         87 Good      7 Poor       13 Gen Poor
Max ADI Late          97 Good      4 Very Poor  8 Poor
Max LVORI Early       3            3            4
Max LVORI Late        2            4            5

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ077-172115-
Indiana-
Including the city of Indiana
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Pcldy        Pcldy        Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            60
Chance of Thunder (%) 0            0            0
Temp (24h trend)      42 (-1)      24 (-6)      41
RH % (24h trend)      49 (-9)      89 (+11)     66
Wind 20ft/early(mph)  W 14 G25     W  7 G19     Lgt/Var
Wind 20ft/late(mph)   W 14 G25     Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.07
Precip Duration                                 5
Precip Begin                                    7 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1630                      610
Mixing Hgt(ft-agl/msl)5360                      2000
Transport Wnd (mph)   NW 31                     SW  9
Vent Rate (kt-ft)     144720                    16000
Category Day          5                         2
Inversion             31F/8am      6pm          32F/9am
Dispersion            5                         2
Max ADI Early         93 Good      13 Gen Poor  22 Fair
Max ADI Late          96 Good      5 Very Poor  22 Fair
Max LVORI Early       3            4            4
Max LVORI Late        1            6            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ078-172115-
Higher Elevations of Indiana-
Including the city of Armagh
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Pcldy        Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            70
Chance of Thunder (%) 0            0            0
Temp (24h trend)      41 (-2)      25 (-5)      41
RH % (24h trend)      47 (-9)      83 (+5)      65
Wind 20ft/early(mph)  W 14 G26     W  8 G20     Lgt/Var
Wind 20ft/late(mph)   W 14 G26     Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.08
Precip Duration                                 5
Precip Begin                                    7 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1550                      490
Mixing Hgt(ft-agl/msl)5080                      1610
Transport Wnd (mph)   NW 32                     W  9
Vent Rate (kt-ft)     142240                    12880
Category Day          5                         1
Inversion             31F/8am      6pm          32F/9am
Dispersion            5                         1
Max ADI Early         94 Good      13 Gen Poor  19 Gen Poor
Max ADI Late          97 Good      5 Very Poor  18 Gen Poor
Max LVORI Early       3            3            4
Max LVORI Late        1            4            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ001-172115-
Hancock-
Including the city of Weirton
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Mclear       Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            80
Chance of Thunder (%) 0            0            0
Temp (24h trend)      43 (-3)      27 (-4)      40
RH % (24h trend)      40 (+2)      81 (+11)     74
Wind 20ft/early(mph)  W  9 G19     Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   NW 10 G19    Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.15
Precip Duration                                 10
Precip Begin                                    6 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1510                      370
Mixing Hgt(ft-agl/msl)4960                      1230
Transport Wnd (mph)   NW 24                     SW  8
Vent Rate (kt-ft)     104160                    8610
Category Day          5                         1
Inversion             32F/8am      6pm          36F/11am
Dispersion            5                         1
Max ADI Early         90 Good      4 Very Poor  10 Poor
Max ADI Late          96 Good      3 Very Poor  10 Poor
Max LVORI Early       3            3            4
Max LVORI Late        2            4            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ002-172115-
Brooke-
Including the cities of Follansbee and Wellsburg
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Mclear       Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            80
Chance of Thunder (%) 0            0            0
Temp (24h trend)      44 (-3)      28 (-3)      41
RH % (24h trend)      37 (+3)      81 (+12)     70
Wind 20ft/early(mph)  W  9 G18     Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   W 10 G19     Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.20
Precip Duration                                 10
Precip Begin                                    6 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1500                      370
Mixing Hgt(ft-agl/msl)4940                      1200
Transport Wnd (mph)   W 22                      SE  6
Vent Rate (kt-ft)     93860                     6000
Category Day          4                         1
Inversion             32F/8am      6pm          38F/12pm
Dispersion            4                         1
Max ADI Early         82 Good      4 Very Poor  9 Poor
Max ADI Late          91 Good      3 Very Poor  10 Poor
Max LVORI Early       3            3            4
Max LVORI Late        2            3            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ003-172115-
Ohio-
Including the city of Wheeling
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Mclear       Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            80
Chance of Thunder (%) 0            0            0
Temp (24h trend)      45 (-3)      28 (-2)      42
RH % (24h trend)      36 (+4)      83 (+12)     71
Wind 20ft/early(mph)  W  9 G18     Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   W 10 G19     Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.25
Precip Duration                                 10
Precip Begin                                    6 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1440                      340
Mixing Hgt(ft-agl/msl)4730                      1110
Transport Wnd (mph)   W 22                      SE  7
Vent Rate (kt-ft)     89870                     6660
Category Day          4                         1
Inversion             35F/9am      5pm          Continuing
Dispersion            4                         1
Max ADI Early         79 Good      4 Very Poor  7 Poor
Max ADI Late          89 Good      3 Very Poor  10 Poor
Max LVORI Early       3            3            4
Max LVORI Late        2            4            5

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ004-172115-
Marshall-
Including the city of Moundsville
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Mclear       Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            90
Chance of Thunder (%) 0            0            0
Temp (24h trend)      46 (-3)      29 (-1)      43
RH % (24h trend)      38 (+8)      84 (+12)     70
Wind 20ft/early(mph)  W  8 G18     Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   W  9 G18     Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.34
Precip Duration                                 11
Precip Begin                                    6 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1430                      350
Mixing Hgt(ft-agl/msl)4690                      1130
Transport Wnd (mph)   W 21                      SE  7
Vent Rate (kt-ft)     84420                     6780
Category Day          4                         1
Inversion             35F/9am      5pm          Continuing
Dispersion            4                         1
Max ADI Early         76 Good      4 Very Poor  7 Poor
Max ADI Late          84 Good      3 Very Poor  10 Poor
Max LVORI Early       3            3            5
Max LVORI Late        2            3            5

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ012-172115-
Wetzel-
Including the city of New Martinsville
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Clear        Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            90
Chance of Thunder (%) 0            0            0
Temp (24h trend)      46 (-3)      29 (-1)      42
RH % (24h trend)      39 (+12)     85 (+12)     71
Wind 20ft/early(mph)  W  7 G17     Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   W  8 G17     Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.40
Precip Duration                                 10
Precip Begin                                    6 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1400                      320
Mixing Hgt(ft-agl/msl)4590                      1040
Transport Wnd (mph)   W 21                      SE  8
Vent Rate (kt-ft)     82620                     7280
Category Day          4                         1
Inversion             35F/9am      5pm          Continuing
Dispersion            4                         1
Max ADI Early         74 Good      4 Very Poor  7 Poor
Max ADI Late          82 Good      3 Very Poor  10 Poor
Max LVORI Early       3            3            5
Max LVORI Late        2            3            6

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ021-172115-
Marion-
Including the city of Fairmont
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Mclear       Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            90
Chance of Thunder (%) 0            0            0
Temp (24h trend)      45 (-4)      28 (-1)      43
RH % (24h trend)      40 (+13)     87 (+12)     75
Wind 20ft/early(mph)  W  8 G17     Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   W  9 G17     Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.43
Precip Duration                                 10
Precip Begin                                    6 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1460                      250
Mixing Hgt(ft-agl/msl)4810                      840
Transport Wnd (mph)   W 22                      SE  8
Vent Rate (kt-ft)     91390                     5880
Category Day          4                         1
Inversion             34F/9am      5pm          Continuing
Dispersion            4                         1
Max ADI Early         79 Good      4 Very Poor  7 Poor
Max ADI Late          91 Good      3 Very Poor  6 Very Poor
Max LVORI Early       4            3            5
Max LVORI Late        2            4            6

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ509-172115-
Monongalia-
Including the city of Morgantown
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Mclear       Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            80
Chance of Thunder (%) 0            0            0
Temp (24h trend)      44 (-5)      28 (-2)      44
RH % (24h trend)      40 (+13)     85 (+11)     72
Wind 20ft/early(mph)  W  9 G18     Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   W  9 G18     Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.41
Precip Duration                                 10
Precip Begin                                    6 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1500                      320
Mixing Hgt(ft-agl/msl)4920                      1030
Transport Wnd (mph)   W 22                      S  7
Vent Rate (kt-ft)     93480                     6180
Category Day          4                         1
Inversion             31F/8am      5pm          Continuing
Dispersion            4                         1
Max ADI Early         85 Good      4 Very Poor  8 Poor
Max ADI Late          92 Good      3 Very Poor  7 Poor
Max LVORI Early       3            3            4
Max LVORI Late        2            4            6

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ510-172115-
Ridges of Eastern Monongalia and Northwestern Preston-
Including the city of Coopers Rock
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Mclear       Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            80
Chance of Thunder (%) 0            0            0
Temp (24h trend)      42 (-5)      26 (-3)      43
RH % (24h trend)      42 (+11)     81 (+5)      70
Wind 20ft/early(mph)  W 10 G19     Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   W  9 G19     Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.44
Precip Duration                                 10
Precip Begin                                    6 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1230                      220
Mixing Hgt(ft-agl/msl)4030                      720
Transport Wnd (mph)   W 23                      SW  9
Vent Rate (kt-ft)     80600                     5760
Category Day          4                         1
Inversion             32F/9am      5pm          Continuing
Dispersion            4                         1
Max ADI Early         77 Good      5 Very Poor  8 Poor
Max ADI Late          85 Good      4 Very Poor  6 Very Poor
Max LVORI Early       4            3            4
Max LVORI Late        2            4            5

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ511-172115-
Preston-
Including the cities of Kingwood and Bruceton Mills
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Mclear       Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            80
Chance of Thunder (%) 0            0            0
Temp (24h trend)      43 (-4)      26 (-2)      44
RH % (24h trend)      41 (+9)      84 (+5)      73
Wind 20ft/early(mph)  W  9 G21     Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   W  9 G20     Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.45
Precip Duration                                 10
Precip Begin                                    7 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1310                      320
Mixing Hgt(ft-agl/msl)4300                      1060
Transport Wnd (mph)   W 24                      SW  8
Vent Rate (kt-ft)     90300                     7420
Category Day          4                         1
Inversion             29F/8am      5pm          Continuing
Dispersion            4                         1
Max ADI Early         89 Good      6 Very Poor  9 Poor
Max ADI Late          92 Good      4 Very Poor  6 Very Poor
Max LVORI Early       4            3            4
Max LVORI Late        2            4            5

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ512-172115-
Eastern Preston-
Including the cities of Terra Alta, Rowlesburg, and Hazelton
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Mclear       Clear        Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            80
Chance of Thunder (%) 0            0            0
Temp (24h trend)      41 (-4)      26 (-1)      43
RH % (24h trend)      41 (+6)      81 (+2)      69
Wind 20ft/early(mph)  W 13 G26     W  6 G17     Lgt/Var
Wind 20ft/late(mph)   W 12 G25     Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.48
Precip Duration                                 10
Precip Begin                                    7 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1210                      290
Mixing Hgt(ft-agl/msl)3970                      960
Transport Wnd (mph)   W 28                      SW 10
Vent Rate (kt-ft)     95280                     8640
Category Day          4                         1
Inversion             28F/6am      6pm          Continuing
Dispersion            4                         1
Max ADI Early         71 Good      8 Poor       11 Poor
Max ADI Late          88 Good      5 Very Poor  6 Very Poor
Max LVORI Early       3            3            4
Max LVORI Late        2            3            5

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ513-172115-
Western Tucker-
Including the cities of Parsons, Hendricks, and Saint George
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Mclear       Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            90
Chance of Thunder (%) 0            0            0
Temp (24h trend)      43 (-6)      26 (0)       46
RH % (24h trend)      38 (+6)      77 (-2)      63
Wind 20ft/early(mph)  W 12 G25     W  5 G17     Lgt/Var
Wind 20ft/late(mph)   W 11 G24     Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.51
Precip Duration                                 10
Precip Begin                                    7 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 1250                      370
Mixing Hgt(ft-agl/msl)4090                      1230
Transport Wnd (mph)   W 26                      SW  9
Vent Rate (kt-ft)     94070                     9840
Category Day          4                         1
Inversion             27F/6am      6pm          Continuing
Dispersion            4                         1
Max ADI Early         74 Good      8 Poor       9 Poor
Max ADI Late          95 Good      4 Very Poor  7 Poor
Max LVORI Early       3            3            3
Max LVORI Late        2            4            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ514-172115-
Eastern Tucker-
Including the cities of Davis, Thomas, and Canaan Valley
1230 AM EST Mon Nov 17 2025

                      Today        Tonight      Tue

Cloud Cover           Mclear       Mclear       Mcldy
Precip Type           None         None         Snow/Rain
Chance Precip (%)     0            0            80
Chance of Thunder (%) 0            0            0
Temp (24h trend)      38 (-8)      25 (+1)      43
RH % (24h trend)      45 (+7)      74 (-8)      62
Wind 20ft/early(mph)  W 16 G38     W  8 G26     Lgt/Var
Wind 20ft/late(mph)   W 13 G33     Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.50
Precip Duration                                 10
Precip Begin                                    7 AM
Precip End                                      Continuing
Mixing Hgt(m-agl/msl) 980                       330
Mixing Hgt(ft-agl/msl)3210                      1090
Transport Wnd (mph)   NW 31                     W 14
Vent Rate (kt-ft)     86670                     13080
Category Day          4                         1
Inversion             25F/6am      6pm          Continuing
Dispersion            4                         1
Max ADI Early         69 Good      13 Gen Poor  13 Gen Poor
Max ADI Late          86 Good      7 Poor       8 Poor
Max LVORI Early       3            3            3
Max LVORI Late        1            3            5

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of rain. Lows in the lower
30s. Highs in the upper 40s. Light winds.
.THURSDAY...Mostly cloudy. Lows in the mid 30s. Highs in the mid
50s. Light winds.
.FRIDAY...Rain. Lows in the mid 40s. Highs in the upper 50s.
Southwest winds 10 to 15 mph.
.SATURDAY...Mostly cloudy. Rain likely. Lows in the lower 40s.
Highs in the lower 50s. West winds 10 to 15 mph.
.SUNDAY...Mostly cloudy. A chance of rain. Lows in the upper 30s.
Highs in the lower 50s. Southwest winds 5 to 10 mph.

$$

AK

NWS Pittsburgh Office Area Forecast Discussion