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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G2 (Moderate) Warning Issued: Valid to 31/1800 UTC | Thursday, August 31, 2017 - 06:18 | |
G1 (Minor) Watch for the 31 August and 1 September UTC-days | Monday, August 28, 2017 - 20:20 | |
G1 (Minor) Storming observed. G1 Warning In Effect Until 27/1800 UTC | Wednesday, August 23, 2017 - 14:40 | |
G2 (Moderate) geomagnetic storm warning/conditions met | Tuesday, August 22, 2017 - 04:00 | |
Update: G1 (Minor) Geomagnetic Storms Continue | Saturday, August 19, 2017 - 18:20 |