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National Oceanic and Atmospheric Administration

Saturday, November 22, 2025 03:07:51

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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-G3 Still Likely Tonight, 12 Nov, with G4 Still Possible

G1-G3 Still Likely Tonight, 12 Nov, with G4 Still Possible
G1-G3 Still Likely Tonight, 12 Nov, with G4 Still Possible
published: Thursday, November 13, 2025 22:35 UTC

Final CME arrived and passing over Earth now. Conditions generally weakening, but variable. Strong solar wind speed and periods of favorable magnetic field orientation are driving up geomagnetic storms to G1-G3; with G4 still possible tonight. Stay aware at spaceweather.gov