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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, January 20, 2018 04:40:24

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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

G1 (Minor) Geomagnetic Storms Observed on 21 May 2016

G1 (Minor) Geomagnetic Storms Observed on 21 May 2016
published: Monday, May 23, 2016 17:07 UTC

Minor (G1) geomagnetic storm conditions were observed at 21/0845 UTC and are expected to continue until 21/1300 UTC.