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 | ||
---|---|---|
Elevated Geomagnetic Field Activity Expected - 21-24 April 2017 | Saturday, April 22, 2017 - 00:53 | |
G2 (Moderate) geomagnetic storm conditions met | Thursday, April 20, 2017 - 05:20 | |
G1-Minor geomagnetic Storm Conditions Observed | Thursday, April 20, 2017 - 04:16 | |
G2 (Moderate) Geomagnetic Storm Warning valid from 20/0345-1500 UTC | Thursday, April 20, 2017 - 04:08 | |
G1-Minor geomagnetic Storm Warning issued | Thursday, April 20, 2017 - 01:55 |