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Short Range Public Discussion
(Latest Discussion - Issued 1946Z Jan 23, 2018)
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Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 246 PM EST Tue Jan 23 2018 Valid 00Z Wed Jan 24 2018 - 00Z Fri Jan 26 2018 ...Lingering flooding concerns for portions of New York into New England through Wednesday morning... ...Heavy rain and snow from northern California into the Northwest... A storm system will continue to exit the Northeast though the remainder of this evening into tonight. An ongoing wintry mix of snow and freezing rain will change over to rain for the remainder of New England as warmer air continues to spread north this evening. Colder air will wrap around on the back side of the departing surface low with a return to light snow expected for portions of far northern New England early Wednesday morning. Despite the waning precipitation, flooding will remain a concern from New York into New England given the potential for ice jam flooding coupled with recent rainfall. A slow moving Pacific cold front will work eastward over the next two days bringing a round of heavy rain to portions of the northern California and southwestern Oregon coasts tonight as the boundary slowly moves inland. As colder air moves in behind the cold front, snow levels will fall during the day on Wednesday allowing for increasing coverage of snow from the Klamath and Cascades of northern California into the Washington/Oregon Cascades, eastward into the northern Rockies. One to two feet of snow appears likely in the mountains through the day on Thursday. The intensity of precipitation will wane Wednesday night into Thursday as access to better moisture is lost, with a more showery regime developing toward the end of the week for the West. Across the middle of the country, conditions will be dry through Thursday, with the exception of possible light rain over South Texas. Temperatures will also see a warming trend from the central to northern Plains, spreading eastward into the Midwest where high temperatures will range from 10 to 20 degrees above average for Thursday. Otto Graphics available at