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CCMC STEREO Support

In support of STEREO project, the CCMC is running a series of solar and heliospheric models and saving model input/output on a daily basis.

   

Photospheric Synoptic Magnetogram
Photospheric Synoptic Magnetogram

   
   
   

Luhmann PFSS model
Luhmann PFSS model

Wang-Sheeley-Arge
Wang-Sheeley-Arge
(potential field + current sheet model)

ENLIL model
ENLIL model

Run Results by Year and Month:

Year 2018 Year 2017
January | February | March | April | May | June
January | February | March | April | May | June | July | August | September | October | November | December
Year 2016
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Year 2015
January | February | March | April | May | June | July | August | September | October | November | December
Year 2014
January | February | March | April | May | June | July | August | September | October | November | December
Year 2013
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Year 2012
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Year 2011
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Year 2010
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Year 2009
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Year 2008
January | February | March | April | May | June | July | August | September | October | November | December
Year 2007
January | February | March | April | May | June | July | August | September | October | November | December
Year 2006
January | February | March | April | May | June | July | August | September | October | November | December

Driven by synoptic magnetogram data obtained by ground-based solar observatories, the solar coronal Luhmann Potential Field Source Surface (PFSS) model represents the approximate coronal magnetic field within 2.5 R_S.

The ENLIL solar wind is driven by the Wang-Sheeley-Arge model which extends a PFSS magnetic field to 21.5 R_S past the sonic point (where the plasma velocity starts to exceed the sound speed) using a heliospheric current sheet model and a slow and high speed solar wind distribution depending on the location of coronal holes. ENLIL covers the radial distance between 21.5 R_S and 1.6 AU in the inner heliopshere between -58 and 58 degrees heliographic latitude.

In both models, PFSS and ENLIL, the time stamp of each file refers to the end time of the solar rotation period covered by the magnetogram data. Typically this date lies about 2 days in the future as magnetic fields on the solar disc can be measured fairly reliably up to 30 degrees of heliographic longitude away from the disk center (Carrington longitude of the Earth).

National Aeronautics and Space Administration Air Force Materiel Command Air Force Office of Scientific Research Air Force Research Laboratory Air Force Weather Agency NOAA Space Environment Center National Science Foundation Office of Naval Research

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