:Issued: 2025 Mar 17 2010 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 partial halo CME was observed to the north-east first seen in SOHO/LASCO-C2
data from 20:12 UTC March 16. This is possibly associated with an on-disk eruption
and dimming observed in the north east quadrant from 19:00 UTC in SDO/AIA 193.
Analysis is ongoing, but given the assumed source location and CME width, a glancing
blow at Earth may be possible from March 20.
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