:Issued: 2025 Jul 24 1247 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 faint, slow partial halo Coronal Mass Ejection (SIDC CME 530) was observed in
LASCO/C2 and C3 coronagraph imagery starting from around 08:00 UTC on July 23. The
CME is probably associated with a filament eruption in the southwest quadrant seen in
SUVI 304 data from around 02:30 UTC on July 23. Preliminary analysis suggests that
the CME has a projected velocity around 300 km/s and the ICME may arrive at Earth
starting from the UTC noon on July 26.
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