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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, April 12, 2025 05:53:16

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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
Yet Another X-class Flare Saturday, May 11, 2024 - 02:13
G5 Conditions Observed! Friday, May 10, 2024 - 23:58
Geomagnetic Storming Likely to Persist This Weekend Friday, May 10, 2024 - 22:38
G4 Conditions Observed! Friday, May 10, 2024 - 18:30
Severe Geomagnetic Storming Likely to Continue Friday, May 10, 2024 - 16:10

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