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National Oceanic and Atmospheric Administration

Saturday, April 27, 2024 14:05:38

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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
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G
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Latest Observed
R
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S
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R1-R2 --
R3-R5 --
S1 or greater --
G
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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
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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 18 Mar, 2024

R2 Moderate radio blackout/GOES SUVI imagery
R2 (Moderate) HF Radio Blackout Event on 18 Mar, 2024
published: Wednesday, March 20, 2024 08:22 UTC

Newly numbered Region 3615, that just rotated onto the visible disk, produced an impulsive M6.7 flare that peaked at 18/1519 EDT. Forecasters are monitoring coronagraph imagery for any evidence of potential CMEs that may have been associated with this flare, and will provide updates as they become available. As always, continue to monitor our web page for updated watches, warnings, alerts, and forecasts as they become available.