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 | ||
---|---|---|
G1 (Minor) Geomagnetic Storm Conditions Observed | Monday, September 18, 2017 - 09:24 | |
G1 (Minor) Geomagnetic Storm Warning in effect through 17/0900 UTC | Saturday, September 16, 2017 - 23:05 | |
G2 (Moderate) Geomagnetic Storm Conditions Met | Saturday, September 16, 2017 - 06:00 | |
G2 (Moderate) geomagnetic storm conditions met | Friday, September 15, 2017 - 03:44 | |
G2 Warning extended until 15/0900 UTC | Friday, September 15, 2017 - 03:42 |