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The Tornado Outbreak of May 19, 2013


On Sunday, May 19th, with an upper level low approaching off the Colorado Front Range through the Panhandles, a fairly stout dry line began to surge eastward off the Texas Cap Rock and Panhandle reaching as far east as El Reno, OK.  With deep layer moisture and more than favoriable wind fields across central Oklahoma, supercell thunderstorms quickly developed along the dry line, primarily along the U.S. Interstate Highway 44 (I-44) corridor, and moved quickly to the east/northeast.  As these storms gained intensity, many became tornadic in nature, with Tornadoes impacting Edmond, Arcadia, Luther and Carney, Lake Thunderbird (eastern Norman) and Shawnee, and two near the town of Prague.  The most intense tornado occured within the city of Shawnee, where EF-4 damage was found as the tornado traveled north of the city before crossing U.S. Interstate Highway 40 (I-40).

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Information and Resources


More weather information (storm reports, weather maps, soundings, etc.) about this day can be found at this link:

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