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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Monday, December 15, 2025 15:37:12

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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
*THIS SITE WILL REMAIN UPDATED DURING SHUTDOWN* Thursday, October 2, 2025 - 15:50
G3 (Strong) Geomagnetic Storming Alert Thursday, October 2, 2025 - 06:28
G3 (Strong) Geomagnetic Storm Warning 02 Oct Thursday, October 2, 2025 - 05:15
G2 (Moderate) Geomagnetic Storm Watch for 01 OCT UTC-day Wednesday, October 1, 2025 - 05:51
G3 (Strong) Geomagnetic Storm Conditions Observed Tuesday, September 30, 2025 - 06:02

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