Classic example of the Fredericksburg “Toilet Bowl” effect

By From http://stormsrus.blogspot.com/ • Jun 24th, 2010 • Category: Blog Entries.Local
Today's cold frontal passage provides more fodder for my pet hypothesis regarding the "Toilet Bowl" effect regarding the tendency of storms to divide around - and miss - Fredericksburg.  As the hypothesis goes, with a generally northwest-to-southeast track of storms (typical of cold frontal passages) across Northern VA something upstream of Fredericksburg creates a "roadblock" of sorts that kills convection before it gets here.  (This is not true of other storm directions.)  I'd bet that it's something in the topography northwest of here that helps suppress convection headed for Fredericksburg.   Maybe that's worthy of a research grant;  hmmmmm....

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