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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Monday, November 20, 2017 07:42:12

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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 Storm Conditions Observed

G1 (Minor) Geomagnetic Storm Conditions Observed
G1 (Minor) Geomagnetic Storm Conditions Observed
published: Friday, September 15, 2017 03:38 UTC

G1 (Minor) geomagnetic storm conditions were observed at 14/1543 UTC. The G1 (Minor) geomagnetic warning remains in effect through 14/2100 UTC.