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: 2019 Jul 09 0801 UTC
:Product: documentation at http://www.sidc.be/products/presto
#--------------------------------------------------------------------#
# FAST WARNING 'PRESTO' MESSAGE  from the SIDC (RWC-Belgium)         #
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A shock in the solar wind was detected on June 8 at 18:38 UT. The magnetic
field jumped from 4 to 10 nT and the solar wind speed from 310 km/s to 390
km/s. It was associated with the expected arrival of a high speed stream.
It caused K and Kp to increase up to 4.
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