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: 2018 Jul 06 1102 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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CORRECTION - Concerning:PRESTO issued at 20:10 UT on 05-Jul-2018. 
Following further analysis of new STEREO A, EUV and LASCO observations, the
CME speed was attributed to a second back-sided CME observed in LASCO
observations. Following further analysis, the front sided event is less
energetic, with a speed of 212 km/s first seen in STEREO Ahead COR2
observations at 02:39 UT. Any impact is expected to be negligible, but an
approximate arrival will be on 10-Jul-2018.
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