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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G2 (Moderate) Geomagnetic Storms forecasted for 07-08 October | Tuesday, October 6, 2015 - 14:31 |
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G1-Minor Geomagnetic Storms forecast for 02-04 October | Thursday, October 1, 2015 - 06:22 |
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Region 2422 Produces an M7 Flare (R2-Moderate) | Monday, September 28, 2015 - 17:00 |
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Update: Geomagnetic Disturbance Weakening - 20 Sep 2015 | Sunday, September 20, 2015 - 14:10 |
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Update: G3 (Strong) or greater warning issued until 1200 UTC on 20 September | Sunday, September 20, 2015 - 06:42 |