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- SH13D-2128: Solar Cycle Variation of High Latitude Torsional Oscillations
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Board 2128‚ Hall EFG (Poster Hall)NOLA CC
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Alex Moncello, Organization Not Listed (First Author, Presenting Author)
Lekshmi Biji, Aura Inc.
Sushanta Tripathy, National Solar Observatory
Kiran Jain, National Solar Observatory
Much like the importance of predicting weather patterns on Earth, the ability to predict the intensity of space weather resulting from the Sun’s activity may help us prepare for devastating occurrences. Thus, it is of prime importance to understand the Sun's activity and make advance predictions to mitigate the impacts of space weather. Since, the solar activity originates below the surface, we use subsurface flows as a proxy for solar activity and study how these flow patterns change through the Sun's 11 year cycle. The subsurface flow that migrates from mid-latitudes to low-latitudes can give us information about solar maximum activity a couple of years in advance. The mid-latitude to high-latitude band originates nearly a decade before the solar maximum and remains poorly understood. We believe there may be a connection between the behavior of this mid-to-high latitude branch and the strength magnetic field around the poles. By analyzing average velocities, magnetic field strengths, and sunspot numbers we may form meaningful connections between these flow patterns and intensity of the magnetic field.
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