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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, April 26, 2018 17:25:38

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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
G1 Watch for 22 and 23 October with SDO image G1 Watch for 22 and 23 October UTC Days Thursday, October 20, 2016 - 19:33
G1 Watch Image G1 Watch for 15 March, 2018 UTC Monday, March 12, 2018 - 19:20
G1 Watch Expanded Tuesday, December 6, 2016 - 23:10
G1 Warning until 24/0300 UTC G1 Warning in effect through 24/0300 UTC (23/2300 ET) Tuesday, August 23, 2016 - 19:16
Ovation Aurora model/G1 Warning G1 Minor Storm Warning in effect until 04/1200 UTC (04/0800 EDT) Tuesday, April 4, 2017 - 08:04

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