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Short Range Public Discussion
(Latest Discussion - Issued 0749Z May 06, 2021)
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Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 348 AM EDT Thu May 06 2021 Valid 12Z Thu May 06 2021 - 12Z Sat May 08 2021 ...Unsettled weather enters the Pacific Northwest and Northern Great Basin today before shifting into the Northern High Plains on Friday... ...Scattered showers and thunderstorms found across the Lower Great Lakes, Ohio Valley, and Mid-Atlantic through the beginning of the weekend... ...Warm temperatures in the West spread into the Rockies and High Plains on Friday as cooler temperatures remain throughout the East... A relative lull in the recent active weather pattern is forecast to the end the workweek. For the eastern half of the country, a lingering cold front across Florida will produce scattered showers and thunderstorms until exiting the region on Friday morning. A few storms could turn severe along eastern sections of the peninsula today. A separate system swinging through the Ohio and Tennessee valleys this afternoon is expected to spark thunderstorms of its own, with low chances for damaging wind gusts and large hail. By Friday, this same low pressure system and associated cold front will reach the Mid-Atlantic, bringing additional rain and isolated thunderstorms. Behind the cold front, cool and below average temperatures will be found throughout much of the eastern U.S. over the next couple of days. Highs will only reach the 50s and 60s across the Great Lakes, Ohio Valley, Mid-Atlantic, and Northeast. This equates to temperatures around 10 to 20 degrees below average. In the West, a cold front off the coast of the Pacific Northwest will push inland this afternoon and evening through the Northwest and Northern Great Basin. Light rain and higher elevation snow, as well as scattered thunderstorms can be expected. Precipitation is then forecast to reach the Northern Rockies and Northern High Plains by Friday while an upper-level low drops southeastward into the region. As colder air aloft filters into the Northern Rockies, snow could potentially mix into the lower elevations of western Montana on Friday night. While much of the Southwest and Central Great Basin dealing with exceptional drought could use rain, little to no precipitation is anticipated across this area with the approaching storm system. Temperatures are also expected to remain well above average and top out near the triple digits in the typical southwestern hot spots. Above average temperatures will also be felt throughout much of the central and southern Rockies/High Plains as well. Snell Graphics available at