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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, April 02, 2025 02:08:34

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NOAA Scales mini

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Space Weather Conditions
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
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 Solar Cycle Plots Available!

New Solar Cycle Plots Available!
New Solar Cycle Plots Available!
published: Monday, March 31, 2025 20:30 UTC

These new solar cycle plots will provide more accurate predictions for solar cycle 25 (SC25). They are available on our webpage under Products and Data as Solar Cycle Progression and they leverage the latest monthly observations of the international sunspot number and the 10.7cm radio flux to allow for this improvement in SC25 progression prediction. For more details about the new plot products, please see the Service Change Notice 25-23 and for more details about the science behind the new plots, see the Product Description Document. SWPC always strives to provide the best products and services to meet the needs of growing numbers of core partners, key customers, and the general public - to help safeguard society with actionable space weather information!