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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Monday, March 31, 2025 21:54:32

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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
R3 (Strong) HF Radio Blackout Observed Thursday, October 24, 2024 - 04:25
NOAA Shares Imagery from GOES-19 CCOR-1 NOAA Shares Imagery from GOES-19 CCOR-1 Tuesday, October 22, 2024 - 15:46
Joint Solar Maximum Announcement from NASA and NOAA Joint Solar Maximum Announcement from NASA and NOAA Wednesday, October 16, 2024 - 20:55
G3 (Strong) Storm Watch Remains in Effect for 11 Oct Friday, October 11, 2024 - 18:11
G4 (Severe) Geomagnetic Storm Levels Continue to be Observed Thursday, October 10, 2024 - 17:27

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