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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SERVICE INTERRUPTIONS are possible from April 18 through April 20, 2022. | Thursday, April 14, 2022 - 19:29 |
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(Updated) G2 Watch issued for 14 Apr 2022. G1 Watch added for 15 Apr 2022 | Monday, April 11, 2022 - 22:20 |
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G3 (Strong) Geomagnetic Storms Observed on 10 Apr 22 | Sunday, April 10, 2022 - 06:11 |
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G1 (Minor) Geomagnetic Storm Watch For 6-7 Apr | Monday, April 4, 2022 - 19:51 |
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M9 Flare (R2 - Moderate Radio Blackout) on 31 March, 2022 | Thursday, March 31, 2022 - 19:34 |