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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G2 Watch issued for 13 September; G1 Watch issued for 14 September | Monday, September 11, 2017 - 20:10 | |
G2 Watch issued for 4 August; G1 Watch issued for 5 August | Wednesday, August 2, 2017 - 20:56 | |
G2-Moderate geomagnetic activity | Thursday, January 21, 2016 - 06:26 | |
G2-Moderate Geomagnetic Storm Conditions Observed | Friday, September 2, 2016 - 00:17 | |
G2-Moderate Geomagnetic Storm Watch issued | Friday, April 1, 2016 - 14:59 |