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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, March 13, 2025 20:22:54

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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 Postedsort ascending
G4 (Severe) Geomagnetic Storming Observed Tuesday, September 17, 2024 - 03:54
Strong (G3) Geomagnetic Storms are Likely on 16 September 2024 Saturday, September 14, 2024 - 21:18
R3 Strong radio blackout/GOES SUVI imagery/Explanations R3 (Strong) HF Radio Blackout Event on 14 Sep 2024 Saturday, September 14, 2024 - 16:27
G3 - Strong Geomagnetic Storm Levels Observed G3 - Strong Geomagnetic Storm Levels Observed Thursday, September 12, 2024 - 14:59
R3 (Strong) HF Radio Blackout Observed Thursday, September 12, 2024 - 10:27

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