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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Sunday, January 21, 2018 06:41:15

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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 Warning expired/ G1 Warning in effect

Ovation Aurora model/G1 Warning
G2 Warning expired/ G1 Warning in effect
published: Tuesday, March 28, 2017 19:10 UTC

The G2 Geomagnetic Storm Warning has expired. However, a G1 Geomagnetic Storm Warning is now in effect until 2:00 PM EDT (28/1800 UTC) as coronal hole high speed stream effects continue to influence Earth. Stay tuned for updates!