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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Customer Needs & Requirements for Space Weather | Monday, September 30, 2019 - 18:41 | |
G1 (Minor) Storm Warning in Effect | Saturday, September 28, 2019 - 13:49 | |
G2 (Moderate) Warning Issued | Friday, September 27, 2019 - 20:50 | |
Geomagnetic Storm Watches for 27-29 September | Wednesday, September 25, 2019 - 19:04 | |
New NOAA-USGS model for electrical power grid operators | Friday, September 20, 2019 - 20:32 |