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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, April 24, 2018 21:24:27

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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

Aurora oval forecast 5 Jan 2017
G1-Minor geomagnetic Storm Warning
published: Saturday, January 07, 2017 06:32 UTC

A G1-Minor storm warning has been issued due to coronal hole effects. This warning is valid from 05/2322-06/0600 UTC (5 Jan 1822 - 6 Jan 0100 EST) .

Stay tuned here for the latest updates.