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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Sunday, January 21, 2018 21:51:22

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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
G1 Minor geomagnetic activity **UPDATE** Monday, December 29, 2014 - 22:23
G1 Minor storm conditions met at 12/0500 UTC G1 Minor storm conditions reached Tuesday, July 12, 2016 - 06:18
Ovation Aurora model/G1 Warning G1 Minor Storm Warning in effect until 04/1200 UTC (04/0800 EDT) Tuesday, April 4, 2017 - 08:04
G1 Warning until 24/0300 UTC G1 Warning in effect through 24/0300 UTC (23/2300 ET) Tuesday, August 23, 2016 - 19:16
G1 Watch Expanded Tuesday, December 6, 2016 - 23:10

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