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 Storm Levels Observed | Saturday, August 17, 2024 - 18:05 | |
Weekend Forecast Outlook (15-18 Aug) - G1 Watch on 18 Aug UTC-Day | Thursday, August 15, 2024 - 16:04 | |
G2 (Moderate) Geomagnetic Storm Watch for 13 Aug | Monday, August 12, 2024 - 16:40 | |
CMEs arrived on 11 Aug and Passage Continues - G4 (Severe) Reached | Monday, August 12, 2024 - 16:19 | |
Severe (G4) Geomagnetic Storms Observed - 12 Aug 2024 | Monday, August 12, 2024 - 06:01 |