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Mid-Tropospheric Flow Characteristics of Intense Precipitation Events in the Southeastern USA

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  • Walker Skeeter

    (University of Delaware, USA)

  • Jason Senkbeil

    (University of Alabama, USA)

Abstract

This study evaluated 500mb and 850mb flow patterns as well as surface pressure and 72-hour precipitation characteristics of large areal scale intense precipitation events in the Southeastern United States from 1950-2016. This was attempted using a combination of statistical methods utilizing PCA and cluster analysis as well as a manual classification scheme based on synoptic-scale storm type and formation location. All large-scale events were able to fit within one of five manual classifications: tropical events, frontal events, and three mid-latitude cyclone types: those that formed over the Southeast/Gulf of Mexico, the southern plains, and the Midwest/northern plains. This research builds upon GIS methods of classifying flow characteristics utilizing reanalysis data and has the potential to aide forecasters in identifying setups conducive to large-scale intense precipitation events.

Suggested Citation

  • Walker Skeeter & Jason Senkbeil, 2020. "Mid-Tropospheric Flow Characteristics of Intense Precipitation Events in the Southeastern USA," International Journal of Applied Geospatial Research (IJAGR), IGI Global, vol. 11(3), pages 10-23, July.
    • Handle: RePEc:igg:jagr00:v:11:y:2020:i:3:p:10-23
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    File URL: http://services.igi-global.com/resolvedoi/resolve.aspx?doi=10.4018/IJAGR.2020070102
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