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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, December 21, 2024 15:47:01

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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

R3 (Strong) Radio Blackout Observed at 03/0222 UTC

R3 (Strong) Radio Blackout Observed at 03/0222 UTC
published: Monday, May 06, 2024 16:34 UTC

A strong X-ray flare event reaching the X1.6 level from Region 3663 was observed at 03/0222 UTC. Stay tuned for the 1230 UTC forecast found at https://www.swpc.noaa.gov/products/forecast-discussion for details concerning any possible Earth-directed CME related to this event.