Composites of Heavy Rain Producing Elevated Thunderstorms in the Central United States
Composite analyses of the atmosphere over the central United States during elevated thunderstorms producing heavy rainfall are presented. Composites were created for five National Weather Service County Warning Areas (CWAs) in the region. Events studied occurred during the warm season (April–Septemb...
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| Format: | Article |
| Language: | English |
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Wiley
2017-01-01
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| Series: | Advances in Meteorology |
| Online Access: | http://dx.doi.org/10.1155/2017/6932798 |
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| author | Laurel P. McCoy Patrick S. Market Chad M. Gravelle Charles E. Graves Neil I. Fox Scott M. Rochette Joshua Kastman Bohumil Svoma |
| author_facet | Laurel P. McCoy Patrick S. Market Chad M. Gravelle Charles E. Graves Neil I. Fox Scott M. Rochette Joshua Kastman Bohumil Svoma |
| author_sort | Laurel P. McCoy |
| collection | DOAJ |
| description | Composite analyses of the atmosphere over the central United States during elevated thunderstorms producing heavy rainfall are presented. Composites were created for five National Weather Service County Warning Areas (CWAs) in the region. Events studied occurred during the warm season (April–September) during 1979–2012. These CWAs encompass the region determined previously to experience the greatest frequency of elevated thunderstorms in the United States. Composited events produced rainfall of >50 mm 24 hr−1 within the selected CWA. Composites were generated for the 0–3 hr period prior to the heaviest rainfall, 6–9 hours prior to it, and 12–15 hours prior to it. This paper focuses on the Pleasant Hill, Missouri (EAX) composites, as all CWA results were similar; also these analyses focus on the period 0–3 hours prior to event occurrence. These findings corroborate the findings of previous authors. What is offered here that is unique is (1) a measure of the interquartile range within the composite mean fields, allowing for discrimination between variable fields that provided a strong reliable signal, from those that may appear strong but possess large variability, and (2) composite soundings of two subclasses of elevated thunderstorms. Also, a null case (one that fits the composite but failed to produce significant rainfall) is also examined for comparison. |
| format | Article |
| id | doaj-art-3b47060512d4496093c73f6ae68e91e7 |
| institution | Kabale University |
| issn | 1687-9309 1687-9317 |
| language | English |
| publishDate | 2017-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in Meteorology |
| spelling | doaj-art-3b47060512d4496093c73f6ae68e91e72025-02-03T01:01:02ZengWileyAdvances in Meteorology1687-93091687-93172017-01-01201710.1155/2017/69327986932798Composites of Heavy Rain Producing Elevated Thunderstorms in the Central United StatesLaurel P. McCoy0Patrick S. Market1Chad M. Gravelle2Charles E. Graves3Neil I. Fox4Scott M. Rochette5Joshua Kastman6Bohumil Svoma7Department of Soil, Environmental and Atmospheric Sciences, University of Missouri, 302 ABNR, Columbia, MO 65211, USADepartment of Soil, Environmental and Atmospheric Sciences, University of Missouri, 302 ABNR, Columbia, MO 65211, USANWS Operations Proving Ground, CIMSS/SSEC, University of Wisconsin–Madison, NOAA/NWS Training Center, 7220 N.W.101st Terr, Kansas City, MO 64153, USADepartment of Earth & Atmospheric Sciences, Saint Louis University, O’Neil Hall, Room 205A, 3642 Lindell Blvd, Saint Louis, MO 63108, USADepartment of Soil, Environmental and Atmospheric Sciences, University of Missouri, 302 ABNR, Columbia, MO 65211, USAThe College at Brockport, State University of New York, 350 New Campus Drive, Brockport, NY 14420-2936, USADepartment of Soil, Environmental and Atmospheric Sciences, University of Missouri, 302 ABNR, Columbia, MO 65211, USADepartment of Soil, Environmental and Atmospheric Sciences, University of Missouri, 302 ABNR, Columbia, MO 65211, USAComposite analyses of the atmosphere over the central United States during elevated thunderstorms producing heavy rainfall are presented. Composites were created for five National Weather Service County Warning Areas (CWAs) in the region. Events studied occurred during the warm season (April–September) during 1979–2012. These CWAs encompass the region determined previously to experience the greatest frequency of elevated thunderstorms in the United States. Composited events produced rainfall of >50 mm 24 hr−1 within the selected CWA. Composites were generated for the 0–3 hr period prior to the heaviest rainfall, 6–9 hours prior to it, and 12–15 hours prior to it. This paper focuses on the Pleasant Hill, Missouri (EAX) composites, as all CWA results were similar; also these analyses focus on the period 0–3 hours prior to event occurrence. These findings corroborate the findings of previous authors. What is offered here that is unique is (1) a measure of the interquartile range within the composite mean fields, allowing for discrimination between variable fields that provided a strong reliable signal, from those that may appear strong but possess large variability, and (2) composite soundings of two subclasses of elevated thunderstorms. Also, a null case (one that fits the composite but failed to produce significant rainfall) is also examined for comparison.http://dx.doi.org/10.1155/2017/6932798 |
| spellingShingle | Laurel P. McCoy Patrick S. Market Chad M. Gravelle Charles E. Graves Neil I. Fox Scott M. Rochette Joshua Kastman Bohumil Svoma Composites of Heavy Rain Producing Elevated Thunderstorms in the Central United States Advances in Meteorology |
| title | Composites of Heavy Rain Producing Elevated Thunderstorms in the Central United States |
| title_full | Composites of Heavy Rain Producing Elevated Thunderstorms in the Central United States |
| title_fullStr | Composites of Heavy Rain Producing Elevated Thunderstorms in the Central United States |
| title_full_unstemmed | Composites of Heavy Rain Producing Elevated Thunderstorms in the Central United States |
| title_short | Composites of Heavy Rain Producing Elevated Thunderstorms in the Central United States |
| title_sort | composites of heavy rain producing elevated thunderstorms in the central united states |
| url | http://dx.doi.org/10.1155/2017/6932798 |
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