Previous SWPC news items.
NOAA Scales mini
HF Radio: Weak or minor degradation of HF radio communication on sunlit side, occasional loss of radio contact.
Navigation: Low-frequency navigation signals degraded for brief intervals.
More about the NOAA Space Weather Scales
Navigation: Low-frequency navigation signals degraded for brief intervals.
News Archive
News Archive
Originally Posted | ||
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Continuing Residual Magnetic Activity Following St. Patrick's Day G4 Storm | Thursday, March 19, 2015 - 14:29 | |
Geomagnetic Storm Subsiding - G1 (Minor) Storm still possible. | Wednesday, March 18, 2015 - 11:25 | |
G2 (Moderate) Geomagnetic Storms continue | Wednesday, March 18, 2015 - 02:23 | |
SWPC Press Conference on G4 activity | Tuesday, March 17, 2015 - 19:12 | |
Aurora photos: Upload your own or view others | Tuesday, March 17, 2015 - 17:50 |