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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Sunday, October 22, 2017 22:37:24

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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 Storm Warning Issued

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

A G1 (Minor) storm warning is in effect today, 14 Sep, from 1445 to 2100 UTC, as a result of a positive polarity CH HSS that has begun to affect the near-Earth environment. Stay tuned for additional updates at swpc.noaa.gov.