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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, January 16, 2018 21:54:32

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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

G2 (Moderate) Geomagnetic Storm Warning valid from 20/0345-1500 UTC

Ovation Auroral oval forecast
G2 (Moderate) Geomagnetic Storm Warning valid from 20/0345-1500 UTC
published: Thursday, April 20, 2017 12:08 UTC

A G2-Moderate geomagnetic storm warning has been issued, valid from 20/0345 - 1500 UTC (19 April 2345 to 20 April 1100 EDT). Stay tuned here for updates.