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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, December 11, 2025 17:58:39

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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
An X1.1 Flare Was Observed at 08/0501 UTC Monday, December 8, 2025 - 06:01
Strong (G3) Geomagnetic Storm WATCH Valid for 09 Dec 2025 Sunday, December 7, 2025 - 04:42
R2 (Moderate) definition. GOES SUVI 284 image showing M8.1 flare. M8.1 flare from Region 4299 Saturday, December 6, 2025 - 21:47
G3 on 3 December, 2025 G3 Warning into Wednesday Evening, 3 December Wednesday, December 3, 2025 - 21:11
Space Weather Story of the Week (2-5 Dec) Update Tuesday, December 2, 2025 - 16:28

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