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Prediction for CME (2014-04-18T13:09:00-CME-001)

CME Observed Time: 2014-04-18T13:09Z
iSWAS Layout URL: https://kauai.ccmc.gsfc.nasa.gov/DONKI/view/CME/5250/-1
CME Shock Arrival Time: 2014-04-20T10:22Z
Observed Geomagnetic Storm Parameters due to CME:
Max Kp: 5.0
Dst min. in nT: -26
Dst min. time: 2014-04-21T04:00Z

Predicted Arrival Time: 2014-04-21T12:00Z (-12.0h, +12.0h)
Predicted geomagnetic storm max Kp range due to CME: 6.0 - 6.0
Prediction Method: Other (SIDC)
Prediction Method Note:

:Issued: 2014 Apr 18 2002 UTC
:Product: documentation at http://www.sidc.be/products/presto
#--------------------------------------------------------------------#
# FAST WARNING 'PRESTO' MESSAGE  from the SIDC (RWC-Belgium)         #
#--------------------------------------------------------------------#
The M7.3 flare peaking at 13:03 UT today was accompanied by a full halo CME first appearing in the SOHO/LASCO C2 field of view at 13:25 UT. The plane-of-the-sky projected speed of the CME was around 900 km/s. The bulk of the CME mass was going to the south-west, so we expect only a glancing blow when the corresponding ICME arrives at the Earth  on April 21, resulting in a geomagnetic storm with K index most probably up to 6. The halo CME also produced a proton event at energies above 10 MeV. 

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Lead Time: 38.33 hour(s)
Difference: -25.63 hour(s)
Prediction submitted by Leila Mays (GSFC) on 2014-04-18T20:02Z

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