:Issued: 2024 Mar 28 2223 UTC
:Product: documentation at http://www.sidc.be/products/presto
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# FAST WARNING 'PRESTO' MESSAGE  from the SIDC (RWC-Belgium)         #
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An X1.1 flare, with peak time 20:56 UTC on March 28, was produced by NOAA AR 3615. No
dimming is observed with this event and the coronagraph imagery is not yet available
to determine if there is an Earth-directed CME. Due to the location of the flaring
region an increase in proton flux is possible in the next hours, and there is an
overall heightened risk for proton events in the next days from any further strong X-
or M-class flares from this region as it rotates towards the limb.
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