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Short Range Public Discussion
 
(Caution: Version displayed is not the latest version. - Issued 0700Z May 23, 2019)
 
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Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 300 AM EDT Thu May 23 2019 Valid 12Z Thu May 23 2019 - 12Z Sat May 25 2019 ...Cool for the West and Hot for the Southeast with more storms across the Plains... A very active weather pattern is forecast to continue across the central part of the nation through the end of the week. This is in response to an anomalous upper level trough situated over the Intermountain West and a large upper level ridge anchored over the southeastern U.S. A clash of air masses from the southern plains to the Ohio Valley region will support multiple episodes of bad weather in the general vicinity of a slow moving frontal boundary with waves of low pressure developing along it. The first of these surface lows will cross the Great Lakes region on Thursday and bring a cool front to the East Coast by Friday morning. In the warm sector of this low, severe thunderstorms will be possible from the Ohio Valley to the Mid-Atlantic and Northeast on Thursday. After some lingering showers across New England on Friday, expect better conditions across the northeastern quadrant of the nation to end the work week, with slightly cooler conditions and lower humidity compared to Thursday. The second low pressure system develops across the western High Plains Thursday night and lifts northeastward across the Upper Midwest by Friday evening. A corridor of enhanced rainfall along with severe weather is likely from the Texas Panhandle to Wisconsin over the next couple of days. Flash flooding is possible across portions of the central plains during this time, and SPC has an enhanced risk of severe storms from northwest Texas to central Kansas on Thursday. In terms of temperatures, readings will continue to be well below average for the Rockies and extending westward across the Great Basin and into California given the presence of the upper level trough and increased cloud cover, and snow showers are expected to continue for some of the higher mountain ranges. Across the Deep South and the Carolinas, record high temperatures will be possible towards Friday and especially into the weekend with highs soaring well into the 90s and perhaps close to 100 degrees for some areas by Friday. D. Hamrick Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php