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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Elevated Geomagnetic Field Activity Expected - 21-24 April 2017 | Saturday, April 22, 2017 - 00:53 | |
Executive Order to Prepare Nation for Space Weather Events | Wednesday, November 2, 2016 - 19:22 | |
Experimental Aurora Dashboard Available | Thursday, September 29, 2022 - 17:52 | |
Extended - Accepting Nominations for the Space Weather Advisory Group | Monday, June 21, 2021 - 17:04 | |
Far-sided CME and R1-Minor Radio Blackouts | Wednesday, October 15, 2014 - 17:47 |