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reddit455 t1_je692ds wrote

we watch closely for a reason.

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SPACE WEATHER PREDICTION CENTER
NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION

https://www.swpc.noaa.gov/

R3 (Strong) HF Radio Blackout Event 29 March, 2023 UTC-Day
published: Wednesday, March 29, 2023 03:14 UTC
A R3 (Strong) HF radio blackout event occurred due to a X1.2 flare from Region 3256 on 28 March, 2023, at 10:33 pm EDT (29/0233 UTC).

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