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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, April 24, 2018 21:19:36

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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

Minor (G1) Geomagnetic Storms Observed - 27 Sep 2016

Minor (G1) Geomagnetic Storms Observed - 27 Sep 2016
published: Tuesday, September 27, 2016 06:36 UTC

Minor (G1) geomagnetic storm conditions were observed at 27/0119 UTC. A G1 Warning remains in effect until 27/0900 UTC. This elevated geomagnetic activity is due to sustained periods of southward interplanetary magnetic field.