Astronomy and Astrophysics – Astronomy
Scientific paper
May 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21622301r&link_type=abstract
American Astronomical Society, AAS Meeting #216, #223.01; Bulletin of the American Astronomical Society, Vol. 41, p.907
Astronomy and Astrophysics
Astronomy
Scientific paper
Solar flares and CMEs cause dramatic effects at the Earth, including damage to satellite electronics, loss of airline communications, and degradation, or even complete loss, of GPS. These effects become more disruptive as we become increasingly reliant on highly sophisticated technology. However, it is very difficult to predict when and where these events will occur or how large they will be. Helioseismology has recently emerged as a potentially powerful tool for understanding and predicting space weather events. In the last few years, a series of studies using ring diagram helioseismology has found evidence that signatures of subsurface twisting and emerging flux can be related to flaring activity. In particular, a recent study finds that these signatures are present 2-3 days prior to the occurrence of a flare. In this lecture I will provide a brief overview of helioseismology as well as current space weather forecasting capabilities and needs. The lecture will conclude with the recent work on flare forecasting that draws these two fields together.
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