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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, December 02, 2025 21:40:52

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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

Space Weather Story of the Week (2-5 Dec) Update

Space Weather Story of the Week (2-5 Dec) Update
published: Tuesday, December 02, 2025 16:28 UTC

A G2 (Moderate) Watch is in effect for 3 - 4 December UTC-days. These Watches are in place due to the potential interaction between a nearby passing coronal mass ejection (CME) and inbound coronal hole high speed stream (CH HSS). Stay space weather aware at spaceweather.gov 

DAP - temp Head Section