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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Friday, December 12, 2025 06:53:55

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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
G2 Conditions Observed Friday, June 7, 2024 - 16:02
R2 Moderate radio blackout/GOES SUVI imagery R2 (Moderate) HF Radio Blackout Event on 06 June 2024 Thursday, June 6, 2024 - 16:26
G1 Watch for Tuesday, June 4 Monday, June 3, 2024 - 16:24
X1.4 X1.4 Flare from Region 3697 Saturday, June 1, 2024 - 13:39
Strong (R3) Flare Activity Observed - 31 May 2024 Friday, May 31, 2024 - 22:38

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