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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Sunday, December 07, 2025 04:45:52

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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
After Action Report of the 2024 Space Weather Simulation Exercise After Action Report of the 2024 Space Weather Simulation Exercise Thursday, April 17, 2025 - 14:06
Geomagnetic Storm Continues CME Passage of 16-17 April Continues Wednesday, April 16, 2025 - 22:32
G4 (Severe) Geomagnetic Storm Levels Observed Wednesday, April 16, 2025 - 21:31
CME Passage Continues Today, 16 Apr 2025 CME Passage Continues Today, 16 Apr 2025 Wednesday, April 16, 2025 - 14:34
G3 Watch for 16 Apr 2025 Monday, April 14, 2025 - 17:51

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