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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, May 15, 2025 14:45:25

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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 flare activity from Region 4087

14 May X flare
R3 flare activity from Region 4087
published: Wednesday, May 14, 2025 09:18 UTC

An X2.7 flare was observed at 14/0825 UTC from Region 4087. This region has recently become active and also produced an M5.3 flare at 14/0325 UTC. No CME impacts are expected with either event. Stay tuned for updates.