Temperature: ![]() 32.3°F |
Wind: ![]() 3 Bft Gentle breeze 9.0 mph |
Rain: today 0.00 in |
Humidity: ![]() 66% |
Pressure: ![]() Rising Slowly 30.05 inHg |
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:Product: 3-Day Forecast :Issued: 2025 Feb 07 0455 UTC # Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center # A. NOAA Geomagnetic Activity Observation and Forecast The greatest observed 3 hr Kp over the past 24 hours was 3 (below NOAA Scale levels). The greatest expected 3 hr Kp for Feb 07-Feb 09 2025 is 3.00 (below NOAA Scale levels). NOAA Kp index breakdown Feb 07-Feb 09 2025 Feb 07 Feb 08 Feb 09 00-03UT 0.67 2.67 1.67 03-06UT 0.67 3.00 1.33 06-09UT 1.67 3.00 1.33 09-12UT 2.00 2.33 1.33 12-15UT 3.67 2.00 1.33 15-18UT 2.67 1.67 1.33 18-21UT 2.67 1.33 1.67 21-00UT 3.00 2.00 1.67 Rationale: No G1 (Minor) or greater geomagnetic storms are expected. No significant transient or recurrent solar wind features are forecast. B. NOAA Solar Radiation Activity Observation and Forecast Solar radiation, as observed by NOAA GOES-18 over the past 24 hours, was below S-scale storm level thresholds. Solar Radiation Storm Forecast for Feb 07-Feb 09 2025 Feb 07 Feb 08 Feb 09 S1 or greater 25% 25% 25% Rationale: There is a chance for S1 (Minor) or greater solar radiation storms due to the complex cluster of sunspot groups in the NW Quadrant rotating closer to the western limb and thus a better potential magnetic connection with Earth. C. NOAA Radio Blackout Activity and Forecast Radio blackouts reaching the R2 levels were observed over the past 24 hours. The largest was at Feb 06 2025 1104 UTC. Radio Blackout Forecast for Feb 07-Feb 09 2025 Feb 07 Feb 08 Feb 09 R1-R2 80% 80% 80% R3 or greater 25% 25% 25% Rationale: R1-R2 (Minor-Moderate) radio blackouts are expected through 09 Feb, with a chance for R3 (Strong) events, due to several magnetically complex sunspot groups.
eit 171 | eit 195 | eit 284 | eit 304 |
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Images: From left to right: EIT 171, EIT 195, EIT 284, EIT 304 EIT (Extreme ultraviolet Imaging Telescope) images the solar atmosphere at several wavelengths, and therefore, shows solar material at different temperatures. In the images taken at 304 Angstrom the bright material is at 60,000 to 80,000 degrees Kelvin. In those taken at 171 Angstrom, at 1 million degrees. 195 Angstrom images correspond to about 1.5 million Kelvin, 284 Angstrom to 2 million degrees. The hotter the temperature, the higher you look in the solar atmosphere. | |||
SDO/HMI Continuum |
SDO/HMI Magnetogram |
LASCO C2 | LASCO C3 |
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The MDI (Michelson Doppler Imager) images shown here are taken in the continuum near the Ni I 6768 Angstrom line.
The most prominent features are the sun spots. |
LASCO (Large Angle Spectrometric Coronagraph) is able to take images of the solar corona by blocking the light coming directly from the Sun with an occulter disk, creating an artificial eclipse within the instrument itself. |
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Bigger versions of this page in a new window: New regular size page, New 1280×1024 window, and New 1600×1200 window. |
Sunspot numbers | F10.7CM Radio flux | AP |
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The Solar Cycle is observed by counting the frequency and placement of sunspots visible on the Sun. Solar minimum occurred in December, 2008. Solar maximum in May, 2013. | ||
Solar wind | Satellite impact | Xray flux |
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On the left: Real-Time Solar Wind data broadcast from NASA's ACE satellite. Middle: The Spacecraft Environmental Anomalies Expert System – Real Time (SEAESRT) is a set of data-driven algorithms that indicate the likelihood of an environment-related anomaly on a geosynchronous satellite. Right: Is the 3-day Solar-Geophysical Forecast. |
Northern Auroral map | Southern Auroral map |
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Conditions on the Sun and in the solar wind, magnetosphere, ionosphere and thermosphere that can influence the performance and reliability of space-borne and ground-based technological systems and can endanger human life or health. This introduction movie in the English language will open on a new tab/window when you click on the image below.
Also in Quicktime format: Large (269M) and Small ( 60M).
Space Weather Images and Information (excluded from copyright) courtesy of:
NOAA / NWS Space Weather Prediction Center,
Mauna Loa Solar Observatory (HAO/NCAR),
and SOHO (ESA & NASA).