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Short Range Public Discussion
 
(Latest Discussion - Issued 0758Z Nov 23, 2014)
 
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Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 258 AM EST Sun Nov 23 2014 Valid 12Z Sun Nov 23 2014 - 12Z Tue Nov 25 2014 ***Unsettled weather pattern for the western U.S.*** ***Increasing moisture for the central U.S.*** ***Moderating temperatures for the eastern U.S. this weekend*** An active weather pattern is developing across the central and eastern U.S. for Sunday and into the beginning of the work week. A Pacific cold front from the western U.S. is forecast to merge with a warm front surging northward from the Gulf of Mexico, and result in a deepening surface low that is forecast to reach the Great Lakes by Tuesday morning. Another cold front draped over the main surface low is expected to reinforce the cold airmass behind the departing low pressure system over the northern Plains and Upper Midwest. In terms of sensible weather impacts, numerous showers and thunderstorms are expected in the vicinity of the warm front over the southern U.S., and a few severe storms are likely. Farther to the north from the Great Lakes to the Mid-Atlantic region, widespread light to moderate rain should fall, and snow on the northwest side of the system from the Upper Midwest and into Ontario. Scattered snow showers are expected for the central and northern Rockies through Monday with some upslope flow and moisture in place. Across the eastern U.S., a couple of warmer days can be enjoyed before a return to reality comes by mid-week. Monday looks to be the warmest day with highs in the 60s and 70s for many areas from the Northeast to the Deep South. Much colder weather arrives behind the cold front with widespread 30s and 40s for highs expected. D. Hamrick Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_wbg.php