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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, February 03, 2026 18:52:42

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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
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G
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Latest Observed
R
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S
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G
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R1-R2 --
R3-R5 --
S1 or greater --
G
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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
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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

Another STRONG X1.5 Flare from Solar Region 4366

Another STRONG X1.5 Flare from Solar Region 4366
published: Tuesday, February 03, 2026 16:11 UTC

Solar active region 4366 continues to release strong solar flares, the latest was an X1.5 today at 1418 UTC. Since this region emerged on Jan 30, it already produced 21 C-class, 38 M-class and 5 X-class flares, including an X8.1 on Feb 01 that was accompanied by a Coronal Mass Ejection (CME) that may cause glancing influences near Earth on Feb 05-06. SWPC forecasters continue to monitor the Region 4366 closely. 

 

DAP - temp Head Section