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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, January 20, 2018 04:46:32

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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 ascending Originally Posted
Ovation/G2 Warning until 15/0900 UTC G2 Warning extended until 15/0900 UTC Friday, September 15, 2017 - 03:42
Ovation Aurora model/G1 Warning G2 Warning expired/ G1 Warning in effect Monday, March 27, 2017 - 21:26
G2 Conditions Return Wednesday, September 9, 2015 - 05:23
Aurora visibility information chart G2 (Moderate) watch issued for 17, 18, and 19 May Saturday, May 13, 2017 - 20:05
G2 (Moderate) Watch Issued for 03 January Saturday, January 2, 2016 - 19:03

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