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 Warning Issued | Thursday, September 14, 2017 - 14:59 | |
G1 (Minor) Geomagnetic Storm Warning Issued - 10 Mar 2018 | Saturday, March 10, 2018 - 00:39 | |
G1 (Minor) Geomagnetic Storm Warning Issued for 21 December: Watch still in effect for 22 December | Sunday, December 18, 2016 - 22:57 | |
G1 (Minor) Geomagnetic Storm Warning Vaild Through 18/0900 UTC | Friday, November 25, 2016 - 06:33 | |
G1 (Minor) Geomagnetic Storm Warning Valid 21/2355-22/0900 UTC | Sunday, April 8, 2018 - 05:05 |