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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G1 (Minor) Geomagnetic Storm Watch for 30 March, 2017 | Wednesday, March 29, 2017 - 20:51 | |
G2 Warning expired/ G1 Warning in effect | Monday, March 27, 2017 - 21:26 | |
G2 (Moderate) Geomagnetic Storm Warning Extended To 27/2100 UTC | Monday, March 27, 2017 - 15:56 | |
G2 (Moderate) Geomagnetic Storm Levels Observed | Monday, March 27, 2017 - 06:21 | |
G2 (Moderate) Geomagnetic Storm Watch Issued for 23 April | Saturday, March 25, 2017 - 17:04 |