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    • University of Missouri-Columbia
    • Graduate School - MU Theses and Dissertations (MU)
    • Theses and Dissertations (MU)
    • Theses (MU)
    • 2014 Theses (MU)
    • 2014 MU theses - Freely available online
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    An analysis of the spring-to-summer transition in the west central Missouri Ozarks

    Newberry, Rosalie
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    [PDF] short.pdf (33.87Kb)
    Date
    2014
    Format
    Thesis
    Metadata
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    Abstract
    The spring-to-summer transition is of special importance in forecasting, as the general circulation undergoes an energy shift to a warmer regime, which affects the Midwestern United States. Beginning at the most localized scale, temperature variables are observed from surface observations at a representative station in the West Central Missouri Plains to identify the shift from late spring to early summer, with chosen guidelines for maximum temperature thresholds. Precipitation is analyzed as a summer onset validation tool, in the form of heavy precipitation event frequencies. From an upper-air analysis perspective, 500-mb height observations are examined to find a spring/summer transitional date from a chosen height minimum, as a surrogate for the jet stream, and thus a proxy for atmospheric kinetic energy. Finally, teleconnections on the planetary scale, specifically the influence of El Nino Southern Oscillation (ENSO) and Pacific Decadal Oscillation (PDO), are examined to aid in identifying the change of regime and its interannual variability. Isolating an approximate day or smaller time frame focus for the spring/summer transition will facilitate the ability to forecast seasonal pattern changes, as well as the seasonal potential for severe weather in the Missouri Plains. This, in turn, will provide safer, more economical outcomes for the population of this area.
    URI
    https://hdl.handle.net/10355/44311
    https://doi.org/10.32469/10355/44311
    Degree
    M.S.
    Thesis Department
    Soil, environmental and atmospheric sciences (MU)
    Collections
    • Soil, Environmental and Atmospheric Sciences electronic theses and dissertations (MU)
    • 2014 MU theses - Freely available online
    • Special Education electronic theses and dissertations (MU)

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