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 Nov 05 1320 UTC
:Product: documentation at http://www.sidc.be/products/presto
#--------------------------------------------------------------------#
# FAST WARNING 'PRESTO' MESSAGE  from the SIDC (RWC-Belgium)         #
#--------------------------------------------------------------------#
Geomagnetic conditions have reached moderate storm levels on a planetary
level (NOAA Kp 6 for the 3-6UT period today, 5 November 2018). The storm is
due to the enhanced solar wind parameters associated with the passage of a
Sector Boundary Crossings (SBC), followed by the onset of a Corotating
Interaction Region (CIR). Bz varied between -12 nT and +12 nT, while the
solar wind speed increased from 340 km/s yesterday (4 November) to values
near 630 km/s at 6UT today.
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