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Climatology of 500-hPa geopotential height anomalies associated with May tornado outbreaks in the United States

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Paulina Ćwik, Renee A. McPherson, Michael B. Richman, and Andrew E. Mercer, 2022-08-29, Climatology of 500-hPa geopotential height anomalies associated with May tornado outbreaks in the United States: International Journal of Climatology.

Summary

Abstract (from Wiley): This study supports efforts directed toward research on large-scale atmospheric patterns and on the variability of tornado outbreaks. Specifically, we applied rotated principal component analysis to identify synoptic-scale patterns of 500-hPa geopotential height associated with tornado outbreaks in the United States. We created a database of historic tornado outbreaks using kernel density estimation on events composed of at least seven tornadoes of magnitude (E)F2 or higher (major tornado outbreaks) that occurred in May from 1950 to 2019 (91 events). Results of the analysis show that the first three principal components explained the majority, that is, 74% of the total variation. Based on the analysis of congruence [...]

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  • National and Regional Climate Adaptation Science Centers
  • South Central CASC

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citationTypeJournal Article
journalInternational Journal of Climatology
parts
typeDOI
value10.1002/joc.7841
typeVolume
typeIssue

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