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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, November 21, 2024 09:18:41

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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

X2.8 Flare from Old Region 3664

X2.8
X2.8 Flare from Old Region 3664
published: Tuesday, May 28, 2024 18:18 UTC

An X2.8 Flare from what we believe is old Region 3664 occurred at 27/0708 UTC. Due to its far SE location, energetic particles could take some time to arrive in the near Earth environment.