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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, May 01, 2025 08:49:51

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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

New NCEI Space Weather Portfolio of Archived Products

New NCEI Space Weather Portfolio of Archived Products
published: Tuesday, April 29, 2025 22:37 UTC

There is an updated overview of centuries of solar and space weather digital data - curated and/or generated, archived, and disseminated by NCEI, along with their new web access. The data was reorganized (see the NCEI Space Weather portfolio) and, also, the SWPC archive page was recently updated, backfilled, and received a new link: swpc products and data. Please visit and take advantage of this wonderful and ease of use.