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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Friday, April 04, 2025 17:59:18

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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
Two R3 Strong radio blackouts/GOES SUVI imagery Two R3 Strong Radio Blackouts in past 12 hours Tuesday, May 14, 2024 - 13:44
G2 Watch in Effect for May 14 Monday, May 13, 2024 - 23:01
Space Weather Impacts Monday, May 13, 2024 - 12:33
Why Does the Aurora Change Colors? Monday, May 13, 2024 - 12:30
Geomagnetic Storming to Persist Tonight Monday, May 13, 2024 - 01:22

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