Solar alert

Issued on 2024 May 20 0844 UTC

A full halo CME was first seen at 05:36 UT on LASCO C2, originating from an eruption close to NOAA AR 3683 (located at the southwest, at S25W60), associated with a C6.7 flare. The CME is fast, early speed estimates are around 1500 km/s, but more images are needed for a better estimation. The bulk of the CME is directed to the southwest, but a glancing blow can be expected on 22 May. Due to the location of the event and the speed of the CME, a proton event may occur in the coming hours.

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