Previous SWPC news items.
NOAA Scales mini
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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Solar Prominence on the Southeast Limb | Thursday, September 17, 2015 - 17:13 | |
G1 (Minor) to G2 (Moderate) Geomagnetic Storm conditions likely on 12-13 September 2015 | Friday, September 11, 2015 - 12:54 | |
G2 Conditions Return | Wednesday, September 9, 2015 - 05:23 | |
G3 (Strong) Geomagnetic Storm levels expected | Tuesday, September 8, 2015 - 04:04 | |
G2 (Moderate) - Geomagnetic Storm Conditions | Monday, September 7, 2015 - 17:39 |