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National Oceanic and Atmospheric Administration

Friday, April 26, 2024 22:11:40

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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

X1.5 Flare (R3) from Departed Region 3386 on 7 Aug, 2023

R3 event 7 Aug, 2023
X1.5 Flare (R3) from Departed Region 3386 on 7 Aug, 2023
published: Thursday, August 10, 2023 20:06 UTC

A X1.5 flare (R3-Strong) occurred on 7 August, 2023 from recently departed Region 3386. The R3 event peaked at 2046 UTC (4:46 pm EDT) on 7 Aug and likely caused HF radio communication degradation or completed loss on the sunlit side of Earth during the flare's duration. Please continue to visit our SWPC website for the latest information and updated.