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 | ||
---|---|---|
![]() |
G1 (Minor) Geomagnetic Storm Watch for 23-24 February, 2021 | Tuesday, February 23, 2021 - 01:02 |
![]() |
Geospace Model Version 2.0 Begins Operations in Support of Power Grids | Tuesday, January 26, 2021 - 03:32 |
![]() |
Notice of Potential Service Disruption at SWPC | Wednesday, January 6, 2021 - 19:23 |
![]() |
Geoelectric Field Model Responses to Sudden Impulse on 10 Dec, 2020 | Tuesday, December 15, 2020 - 17:07 |
![]() |
Update - Downgrade for CME Peak Activity Forecast | Thursday, December 10, 2020 - 08:23 |