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 Storm Levels Observed | Monday, March 27, 2017 - 06:21 |
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G2 (Moderate) Geomagnetic Storm Watch Issued for 23 April | Saturday, March 25, 2017 - 17:04 |
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G2 (Moderate) Storm Warning in Effect until 21/2359 UTC | Tuesday, March 21, 2017 - 16:41 |
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G1 (Minor) Storm Watch for 24 March 2017 | Monday, March 20, 2017 - 20:11 |
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G1 (Minor) Warning in Effect through 06/2359 UTC | Monday, March 6, 2017 - 20:24 |