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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:Issued: 2024 Feb 29 0953 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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A westward partial halo coronal mass ejection (CME) was detected in the
LASCO/C2 data at 17:48 UTC on February 28. The CME originated from NOAA AR
3590 in the north-west quadrant of the solar visible disk, and was
associated with a long-duration M1.3-class flare peaking at 18:19 UTC. No
increase in the greater than 10 MeV proton flux has been detected in
association to this eruption. The CME has an estimated speed of around 500
km/s and may result in a flank encounter at Earth on March 3. Unsettled to
active geomagnetic conditions are expected due to the arrival of the
interplanetary CME.
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