PRESTO ALERT

:Issued: 2024 May 09 1830 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 has occurred with a peak time 17:44 UTC on May 09, produced
by NOAA AR 3664. Type II and type IV radio emissions were detected at 17:32
UTC and 17:45 UTC, respectively, during the flaring activity. Currently,
the GOES proton flux is slightly enhanced but remains below the 10 pfu
threshold level. Moderately disturbed radio communications have been
observed related to this flaring activity.
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