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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, January 18, 2018 21:56:54

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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) Warning in Effect until 20/0600 UTC (20/0200 ET)

G1 Warning auroral oval forecast
G1 (Minor) Warning in Effect until 20/0600 UTC (20/0200 ET)
published: Tuesday, September 20, 2016 06:23 UTC

A G1 (Minor) geomagnetic storm warning is in effect until 20/0600 UTC (20/0200 ET). Conditions have become favorable due to increased solar wind speeds, and periodic periods of southward orientation (Bz) of the interplanetary magnetic field (IMF).