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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Friday, November 22, 2024 02:14:47

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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) HF Radio Blackout Observed

R3 (Strong) HF Radio Blackout Observed
published: Saturday, October 26, 2024 17:55 UTC

An R3 (Strong) Radio Blackout occurred due to an X3.3 flare at 03:57 UTC on 24 October from Sunspot Region 3869.