PRESTO ALERT

:Issued: 2022 Aug 08 0809 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 moderate geomagnetic storm was observed globally as NOAA planetary Kp
index reached 6 between 21 UTC and midnight UTC on Aug 7th. The storm is
caused by a high speed stream which is currently affecting the Earth.
Locally in Dourbes only active conditions were detected and no geomagnetic
storms were observed. Active conditions and isolated minor storms are
expected for the upcoming day as the solar wind speed has increased up to
669 km/s with remaining chances for more isolated moderate storms.
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# Solar Influences Data analysis Center - RWC Belgium                #
# Royal Observatory of Belgium                                       #
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