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 | |
---|---|---|
![]() |
US-TEC Model Upgrade | Wednesday, August 17, 2016 - 17:56 |
![]() |
UPDATED - R2 (Moderate) Radio Blackout | Tuesday, January 13, 2015 - 11:27 |
![]() |
Update: S1-S2 Warning Extended to 8 September/2359 UTC | Tuesday, September 5, 2017 - 15:10 |
![]() |
UPDATE: S1 Solar Radiation Storm In Progress But Trending Down | Thursday, October 29, 2015 - 14:28 |
![]() |
Update: R1 and R2 radio blackouts | Thursday, October 2, 2014 - 20:28 |