:Issued: 2024 Mar 06 2114 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 partial halo Coronal Mass Ejection (CME) was observed in SOHO/LASCO-C2 images at
21:24 UTC and detected by Cactus tool on Mar 5. It is associated with a filament
eruption on SE quadrant of the Sun. It has a projected speed of 520 km/s and a
projected width of 138 degree (as measured by Cactus tool). Due to the main
propagation direction of the CME being strongly southward from the Sun-Earth, the
CME-flank encounter is possible but not very probable. The arrival of only the
CME-driven shock is more probable at the Earth on Mar 09.
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