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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Friday, October 24, 2025 21:21:57

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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
Geomagnetic Storm Conditions Expected for 25 Apr Sunday, April 25, 2021 - 02:47
G2 Watch for 25 April, 2021 G2 (Moderate) Storm Watch for the 25 April UTC-day Thursday, April 22, 2021 - 19:15
Just In Time... Tuesday, April 20, 2021 - 01:25
NWS Spring Weather Safety Campaign NWS Spring Weather Safety Campaign is on! Tuesday, March 2, 2021 - 00:28
Virtual 2022 Space Weather Workshop! April 26-28, 2022. Registration at https://cpaess.ucar.edu/space-weather-workshop-2022 Virtual 2022 Space Weather Workshop! April 26-28, 2022 Wednesday, February 24, 2021 - 18:01

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