Predicting the Ambient Solar Wind Emerging from Sources Near Active Regions

Details Predicting the Ambient Solar Wind Emerging from Sources Near Active Regions Predicting the Ambient Solar Wind Emerging from Sources Near Active Regions

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005agufmsh11a0249a&link_type=abstract

American Geophysical Union, Fall Meeting 2005, abstract #SH11A-0249

Computer Science

Performance

2169 Solar Wind Sources, 7509 Corona, 7511 Coronal Holes, 7524 Magnetic Fields, 7529 Photosphere

Scientific paper

A number of studies [Owens 2005; Arge 2004, 2003, 2000] have shown that the Wang-Sheeley-Arge (WSA) solar wind model is relatively successful at predicting the ambient solar wind speed and interplanetary polarity over the solar cycle. However, the model appears to fail more often when the source of the solar wind lies near an active region than when it emerges from a traditional coronal hole with weak magnetic field strength. In this paper, we investigate the nature and extent of this particular failure mode by comparing the predictive performance of the WSA model for solar wind sources near and far from active regions.

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