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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, December 31, 2025 23:24:04

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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 to G2 watches issued for Jan 01-03, 2026

G1 to G2 watches issued for Jan 01-03, 2026
G1 to G2 watches issued for Jan 01-03, 2026
published: Wednesday, December 31, 2025 23:15 UTC

G1 to G2 watches (Minor to Moderate): CMEs are anticipated to affect Earth and lead to increased geomagnetic activity at the dawn of 2026: Jan 01-03, 2026.

DAP - temp Head Section