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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G3 (Strong) Geomagnetic Storm levels expected | Tuesday, September 8, 2015 - 04:04 |
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G2 (Moderate) - Geomagnetic Storm Conditions | Monday, September 7, 2015 - 17:39 |
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43 Years of Solar Synoptic Maps featured in video on Slate.com | Friday, September 4, 2015 - 19:57 |
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The NWS Fall Safety Campaign Has Begun | Tuesday, September 1, 2015 - 20:55 |
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G1-Minor Geomagnetic Storms in Progress, G2-Moderate Possible | Friday, August 28, 2015 - 17:48 |