PRESTO ALERT

Fast warning for important solar events with implications for the space environment.
Source SIDC (RWC-Belgium)
Frequency ASAP, when needed
Format Plain text
Mail header PRESTO ALERT
SIDC code presto

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Latest issue

:Issued: 2024 Mar 28 2223 UTC
:Product: documentation at http://www.sidc.be/products/presto
#--------------------------------------------------------------------#
# FAST WARNING 'PRESTO' MESSAGE  from the SIDC (RWC-Belgium)         #
#--------------------------------------------------------------------#
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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