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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Monday, March 31, 2025 22:01:33

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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

Temporary Webpage and Data Outages Possible on 20 February

Temporary Webpage and Data Outages Possible on 4 February
Temporary Webpage and Data Outages Possible on 20 February
published: Friday, February 21, 2025 01:16 UTC

The Space Weather Prediction Center (SWPC) will be conducting required systems work on 20 February. This may result in temporary webpage and data outages.

We thank you for your patience during this period.