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 | |
---|---|---|
![]() |
UPDATE: G2 (Moderate) Watch in Effect for 4 and 5 June UTC day | Wednesday, June 1, 2016 - 16:06 |
![]() |
Update: G2 Geomagnetic Storm Alert Conditions Met Again | Monday, July 17, 2017 - 18:52 |
![]() |
Update: Geomagnetic Disturbance Weakening - 20 Sep 2015 | Sunday, September 20, 2015 - 14:10 |
![]() |
Update: R1 and R2 radio blackouts | Thursday, October 2, 2014 - 20:28 |
![]() |
UPDATE: S1 Solar Radiation Storm In Progress But Trending Down | Thursday, October 29, 2015 - 14:28 |