Previous SWPC news items.
NOAA Scales mini
R1 (Minor) Radio Blackout Impacts
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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NWS Spring Weather Safety Campaign is on! | Tuesday, March 2, 2021 - 00:28 |
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Virtual 2022 Space Weather Workshop! April 26-28, 2022 | Wednesday, February 24, 2021 - 18:01 |
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G1 (Minor) Geomagnetic Storm Watch for 23-24 February, 2021 | Tuesday, February 23, 2021 - 01:02 |
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Geospace Model Version 2.0 Begins Operations in Support of Power Grids | Tuesday, January 26, 2021 - 03:32 |
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Notice of Potential Service Disruption at SWPC | Wednesday, January 6, 2021 - 19:23 |