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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, December 02, 2025 16:44:54

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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
The Sun produces yet another Earth-directed event Thursday, June 25, 2015 - 18:28
Yet another R2 flare from NOAA Region 12371 Thursday, June 25, 2015 - 13:46
24 June ACE plot G3 downgraded to G1 Wednesday, June 24, 2015 - 22:08
G4 Alert: Another storm reaches severe levels Monday, June 22, 2015 - 19:41
DSCOVR Makes it to the L1 Lagrange Point! Wednesday, June 3, 2015 - 23:03

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