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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Sunday, January 21, 2018 06:37:46

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NOAA Scales mini

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Space Weather Conditions
24-Hour Observed Maximums
R
no data
S
no data
G
no data
Latest Observed
R
no data
S
no data
G
no data
R1-R2 --
R3-R5 --
S1 or greater --
G
no data
R1-R2 --
R3-R5 --
S1 or greater --
G
no data
R1-R2 --
R3-R5 --
S1 or greater --
G
no data
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R
no data
S
no data
G
no data
Current Space Weather Conditions
R1 (Minor) Radio Blackout Impacts
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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

News Archive

Previous SWPC news items.

News Archive

sort descending Originally Posted
G2 Conditions Return Wednesday, September 9, 2015 - 05:23
Ovation Aurora model/G1 Warning G2 Warning expired/ G1 Warning in effect Monday, March 27, 2017 - 21:26
Ovation/G2 Warning until 15/0900 UTC G2 Warning extended until 15/0900 UTC Friday, September 15, 2017 - 03:42
G2 Warning G2 Warning Valid through 5/2100 UTC (5/1600 ET) Tuesday, December 5, 2017 - 14:55
G2 Watch issued for 13 September; G1 Watch issued for 14 September G2 Watch issued for 13 September; G1 Watch issued for 14 September Monday, September 11, 2017 - 20:10

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