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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Sunday, March 23, 2025 16:56:36

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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

sort ascending Originally Posted
Wednesday, Oct 9th, Severe Geomagnetic Storm Media Briefing Wednesday, Oct 9th, Severe Geomagnetic Storm Media Briefing Wednesday, October 9, 2024 - 21:00
Change Ahead! Website Change Ahead! (UPDATED 10/21/2014) Thursday, October 9, 2014 - 22:07
WAM-IPE Upgrade WAM-IPE Model Upgrade Wednesday, August 2, 2023 - 13:45
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
Output from SWPC/UMich Geospace Model USAF Wing Kp Model Removed from SWPC Website Wednesday, June 27, 2018 - 19:22

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