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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, April 02, 2025 17:10:15

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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

R2 (Moderate) HF Radio Blackout Event on 01 Apr, 2025

R2 Moderate radio blackout/GOES SUVI imagery
R2 (Moderate) HF Radio Blackout Event on 01 Apr, 2025
published: Wednesday, April 02, 2025 13:35 UTC

Active Region 4046, located in the NE quadrant of the solar disk, produced an M5.6 X-ray flare (R2-Moderate radio blackout) that peaked at 01/0646 UTC. Analysis will be accomplished as imagery becomes available to determine if an associated CME was produced and any potential impacts at Earth. Stay tuned to our website for updates.