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: 2022 Aug 14 1944 UTC
:Product: documentation at http://www.sidc.be/products/presto
#--------------------------------------------------------------------#
# FAST WARNING 'PRESTO' MESSAGE  from the SIDC (RWC-Belgium)         #
#--------------------------------------------------------------------#
A partial halo coronal mass ejection (CME) was observed in LASCO C2 from
around 12:48 UTC on August 14 with an average plane of sky velocity of
around 650 km/s. The CME is related to an on disc filament eruption in the
north-western quadrant and was associated to a long duration C2.4 flare
with an associated observed type II radio emission. The bulk of the CME is
directed to the south-west with an arrival at Earth expected early on
August 17.
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