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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, April 25, 2024 22:21:40

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NOAA Scales mini

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Space Weather Conditions
on NOAA Scales
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
on NOAA Scales
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 Storming Observed on 11 Nov

Aurora Forecast Model Output
G1 (Minor) Geomagnetic Storming Observed on 11 Nov
published: Sunday, November 13, 2016 00:27 UTC

G1 (Minor) geomagnetic storm levels were observed at 0204 UTC on 11 November due to coronal hole high speed stream effects. A G1 Minor storm warning is valid until 11/0600 UTC and a G1 watch is valid through 12 November. Stay tuned for updates!