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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G3 (Strong) Geomagnetic Storming Observed 23 March, 2023 | Thursday, March 23, 2023 - 16:59 | |
G1-G2 (Minor-Moderate) Geomagnetic Storm Watches 23-25 March, 2023 | Tuesday, March 21, 2023 - 23:57 | |
G2 (Moderate) Storm Levels Reached 15 March, 2023 | Wednesday, March 15, 2023 - 15:01 | |
S1 (Minor) Solar Radiation Storm Event Began 13 March, 2023 | Tuesday, March 14, 2023 - 14:50 | |
G1 Watch in Effect for 15-16 March UTC days | Monday, March 13, 2023 - 21:05 |