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CME Scoreboard: Prediction Detail

Prediction for CME (2021-08-23T06:36:00-CME-001)

CME Observed Time: 2021-08-23T06:36Z
iSWAS Layout URL: https://kauai.ccmc.gsfc.nasa.gov/DONKI/view/CME/17559/-1
CME Note: The CME is a partial halo in SOHO LASCO C2/C3 and is in the NW of STA COR2A. The source is a filament eruption north of disk center seen at 02:00Z in SDO AIA 171/193/304. The L1 arrival signature seen by DSCOVR is characterized by a simultaneous jump in SW density, magnetic field and speed (from 360 to 420 km/s), as well as rotation of magnetic field components.
CME Shock Arrival Time: 2021-08-27T00:25Z
Observed Geomagnetic Storm Parameters due to CME:
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Predicted Arrival Time: 2021-08-27T08:00Z
Prediction Method: Other (SIDC)
Prediction Method Note: 
:Issued: 2021 Aug 25 2112 UTC
:Product: documentation at http://www.sidc.be/products/presto
#--------------------------------------------------------------------#
# FAST WARNING 'PRESTO' MESSAGE  from the SIDC (RWC-Belgium)         #
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The CME associated with eruption of a large filament (stretching from about 30
degrees North to 30 degrees South) was first observed in the SOHO/LASCO C2 field of
view at 06:36 UT on August 24. The CME had velocity of about 450 km/s and the angular
width of about
100 degrees. Glancing blow associated with that CME is possible (on August 28), but
not very probable.
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Lead Time: 27.22 hour(s)
Difference: -7.58 hour(s)
Prediction submitted by Robert Loper (M2M Office) on 2021-08-25T21:12Z
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