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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Monday, December 08, 2025 20:46:47

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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
R2 (Moderate) Radio Blackout 25 Nov Monday, November 25, 2024 - 08:07
Minor (S1) Solar Radiation Storm In Progress - 21 Nov 2024 Thursday, November 21, 2024 - 20:44
R3 (Strong) Flare Erupts from the Sun R3 (Strong) Flare Erupts from the Sun Wednesday, November 6, 2024 - 14:48
G1 (Minor) Storm Watch for the 7 November UTC-Day G1 (Minor) Storm Watch for the 7 November UTC-Day Monday, November 4, 2024 - 20:13
R1-R2 Events Remain Likely 4-6 November R1-R2 Events Remain Likely 4-6 November Monday, November 4, 2024 - 20:10

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