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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, January 18, 2018 19:30:29

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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 in Effect

G2 auroral oval forcecast relationship
G2 (Moderate) Geomagnetic Storm Warning in Effect
published: Friday, October 14, 2016 15:36 UTC

The G2 (Moderate) Geomagnetic Storm Warning has been extended and is now valid through 14 October at 0300 UTC (13 October; 11:00 pm ET). G1 (Minor) and G2 (Moderate) conditions have already occurred and are likely to continue overnight. Additionally, the G3 (Strong) Geomagnetic Storm Watch for tomorrow (14 October) remains in effect as CME effects continue to effect Earth. Stay tuned for updates on storm activity!