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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Friday, April 04, 2025 18:02:00

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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.

News Archive

Originally Posted
Forecast Highlights for 20-22 May, 2024 Forecast Highlights for 20-22 May, 2024 Monday, May 20, 2024 - 03:18
G2 Moderate Storm levels Reached. Aurora forecast plot. G2 Moderate Storm Levels Reached Thursday, May 16, 2024 - 12:37
R3 Strong radio blackout/GOES SUVI imagery Another X-flare from Another Region! Wednesday, May 15, 2024 - 14:56
Region 3664 Remains Relentless Wednesday, May 15, 2024 - 14:25
R3 Strong radio blackout/GOES SUVI imagery Region 3664 not done yet! Produces X8.7 flare...largest of the solar cycle! Tuesday, May 14, 2024 - 17:10

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