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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Monday, April 29, 2024 23:41:48

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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 SWPC Solar Cycle Progression Plots Available for Feedback

Solar Cycle Progression Plots Available
New SWPC Solar Cycle Progression Plots Available for Feedback
published: Monday, April 22, 2024 17:12 UTC

SWPC has made our new experimental solar cycle 25 progression plot available for feedback. Please check out and learn about the new plots for both sunspot number and solar flux at https://testbed.swpc.noaa.gov/products/solar-cycle-progression-updated-prediction-experimental. These plots are updated monthly (usually within the first week) with the latest observed monthly values and an adjusted solar cycle progression forecast. Please take the time to provide feedback by filling out the form by December, 31st, 2023.