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 Warning Extended until 08/1500 UTC | Friday, September 8, 2017 - 06:17 | |
G3 (Strong) Geomagnetic Storm Watch Issued for 02-03 November, G2 (Moderate) Watch for 04 November | Saturday, October 31, 2015 - 19:51 | |
G3 (Strong) Geomagnetic Storm Watch Now in Effect for 11 May | Wednesday, May 10, 2023 - 17:57 | |
G3 (Strong) Geomagnetic Storm Watch now in effect for 31 March, 2022 | Tuesday, March 29, 2022 - 19:14 | |
G3 (Strong) Geomagnetic Storm Watch remains in effect for 31 Mar | Thursday, March 31, 2022 - 17:17 |