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July-August 2017

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Forecast Center

It's time to turn you into a tornado forecaster! In this issue, we focus our attention on the dryline, which is well-known by NWS forecasters in the central United States and is known for its association with supercells and tornadoes. Many readers may be unfamiliar with the dryline, and we'll describe it in depth in Part Two. However those who want to try to locate it should simply find the zone where high dewpoint numbers transition to lower dewpoint readings. The dryline is found on the moist side of this transition zone. 


TIM VASQUEZ is a former Air Force forecaster and author of Digital Atmosphere, a weather forecasting software program. He lives near Norman, Oklahoma, where he keeps busy as a weather consultant and software developer.       

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