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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, December 31, 2025 23:30:03

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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

News Archive

Previous SWPC news items.

DAP - temp Head Section

News Archive

Originally Posted
G1 to G2 watches issued for Jan 01-03, 2026 G1 to G2 watches issued for Jan 01-03, 2026 Wednesday, December 31, 2025 - 23:15
R2 (Moderate) Radio Blackout Observed Wednesday, December 31, 2025 - 15:07
M5.1 Flare from New Active Region Saturday, December 27, 2025 - 03:01
Mainly Fair Space Weather Expected Christmas Week Mainly Fair Space Weather Expected Christmas Week Tuesday, December 23, 2025 - 15:14
Temporary Products and Services Disruption Through 17 December, 2025 Possible, Temporary Products and Services Disruption Through 17 December, 2025 Tuesday, December 16, 2025 - 19:42

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