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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, January 16, 2018 21:42:10

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NOAA Scales mini

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Space Weather Conditions
24-Hour Observed Maximums
R
no data
S
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G
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Latest Observed
R
no data
S
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G
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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
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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) Storm Warning in Effect until 21/2359 UTC

G2 Warning Auoral Oval Forecast
G2 (Moderate) Storm Warning in Effect until 21/2359 UTC
published: Tuesday, March 21, 2017 23:55 UTC

Due to escalating solar wind conditions and periods of favorable interplanetary magnetic field orientation, a G2 (Moderate) geomagnetic storm warning is now in effect through 21/2359 UTC (21/1959 ET). The G1 (Minor) storm warning has been extended and is in effect through 22/0300 UTC (21/2300 ET). G1 conditions were first met at 21/1612 UTC (21/1212 ET) and were reached again at 21/1927 UTC (21/1527 ET).  Continue to monitor our SWPC website for the latest updates and forecasts.