| http://www.w3.org/ns/prov#value | - In addition, operational forecasting techniques often used with synoptic-scale data to identify potentially tornadic environments (Johns and Doswell 1992; Rose et al. 2004) that involve examination of such fields as surface and 850-hPa dewpoints, the tilt of the 500-hPa troughs, and the quadrant of the 250-hPa jet streaks (in relation to the southern Appalachian region) will be investigated.
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