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 Storms Observed - 11 June 2017 | Sunday, June 11, 2017 - 18:17 | |
SWPC to Transfer Operations to our Back-Up Site on 14 June, 2017 | Tuesday, June 6, 2017 - 16:42 | |
G3 (Strong) Geomagnetic Storm Alert Issued | Saturday, May 27, 2017 - 23:57 | |
G1 (Minor) Geomagnetic Storm Alert Issued | Saturday, May 27, 2017 - 23:09 | |
G1 (Minor) Geomagnetic Storm Warning Valid on 19 Feb | Saturday, May 27, 2017 - 22:43 |