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 | ||
|---|---|---|
 |
The "Green Comet" is Racing up the Northern Sky at Night! | Tuesday, January 31, 2023 - 22:11 |
 |
Space Weather Advisory Group Meeting at Dept. of Commerce | Wednesday, January 18, 2023 - 19:50 |
|
|
Test | Thursday, January 12, 2023 - 13:44 |
 |
Another X1 flare (R3 (Strong) radio blackout | Wednesday, January 11, 2023 - 05:49 |
 |
R3 (Strong) HF Radio Blackout 1:50pm EST from X1.9 Flare | Monday, January 9, 2023 - 20:03 |