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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, November 12, 2025 13:30:37

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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

G3 (Strong) geomagnetic storming continues, G4 (Severe) still expected

G3 (Strong) geomagnetic storming continues, G4 (Severe) still expected
published: Wednesday, November 12, 2025 13:27 UTC

G3 (Strong) geomagnetic conditions have been observed over the last couple periods. With the impending arrival of the 11 Nov CME later today, elevated geomagnetic storm levels is likely to carry over into 14 Nov (UTC day).