Synoptic Environments Associated with Significant Tornadoes in the Contiguous United States

A database of 274 tornadoes that were given ratings of (E)F2 or higher from 2002 through 2008 are examined by the use of both subjective and objective analysis. The collected environmental data consisted of the subjective classification of the synoptic regime at 500 hPa and surface, and objective analysis from RUC gridded analysis files. The synoptic environment of these significant tornadoes is compared to the pioneering work of Fawbush and Miller in hopes of updating the original classifications and methodologies that were presented in the 1950's and 1970's. This data may also be used to compile an up-to-date composite of the synoptic environments that are associated with significant tornadoes across the contiguous United States.