More severe weather and flooding today W. Verno and M. Ressler, Meteorologists, The Weather Channel
Sat Sep 23, 11:55 AM ET
Midwest
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Flooding and severe thunderstorms with damaging winds and possible tornadoes continue to impact parts of the Midwest today. The potent storm system moving northeast toward the Midwest and Lower Great Lakes will produce numerous showers and thunderstorms. Severe thunderstorms will erupt from the mid-Mississippi Valley into the southern Great Lakes and Ohio Valley, containing damaging winds, hail and tornadoes. In addition to the severe outbreak, flooding rainfall is moving repeatedly over the same areas, resulting in a continued threat for flash flooding. Already across southeast Missouri and Kentucky, as much as 6 to 10 inches of rain have fallen through Saturday morning. Meanwhile in the Plains and Upper Midwest, showers will continue to wrap around this strong storm system, along with gusty winds, affecting much of the Upper Midwest and Northern Plains. This large storm system will begin to move tonight and Sunday with lingering showers increasing confined to the Great Lakes and the strong torrential thunderstorms finally shifting eastward and then out of the Ohio Valley. Conditions should improve across the entire area on Monday, as high pressure builds in.
South
Severe thunderstorms with damaging winds and tornadoes will impact parts of the South today from Tennessee and Arkansas to central and eastern Texas along with heavy rainfall and flooding especially over Arkansas and Tennessee. An area of low pressure and associated cold front will affect the Mississippi Valley and southern Plains today, producing numerous showers and thunderstorms. Severe thunderstorms with damaging winds, hail, and possible tornadoes will affect areas from eastern Texas, through the mid-Mississippi and Tennessee Valleys. Some areas across the Middle Mississippi and Tennessee Valleys are already experiencing significant flood problems, and with additional rainfall expected today, more flash flooding can be expected. A few scattered showers and thunderstorms may also occur over the southeastern states today, but more numerous showers and thunderstorms will spread further east Sunday, Sunday night, and into Monday as the cold front finally pushes from the southern Plains into the Southeast. A few strong to severe thunderstorms will still erupt from North Carolina to the northern Gulf Coast States on Sunday. The front should only be affecting Florida by Tuesday, as high pressure builds in and the South quiets down and dries out.
Northeast
Heavy rainfall and strong thunderstorms are in store for the Middle Atlantic and Northeastern States, especially Sunday. High pressure has moved east, and this has allowed a storm system to advance closer to the area. Showers and thunderstorms are spreading west to east across the area today, with areas from Buffalo to Pittsburgh at risk for a few stronger thunderstorms and heavy rainfall. Numerous showers and thunderstorms will continue across the entire middle Atlantic and Northeastern States on Sunday, as the storm system and cold front moves through the area. With a second day of rainfall expected, there will be some potential for heavy rainfall and localized flooding. A few of the storms could contain damaging wind gusts across southern New England and the Mid-Atlantic States. The system should move east of the area by Monday, with only a few lingering showers over the New England states. High pressure will build in keeping conditions dry through midweek.
West
Higher elevations snows across the Rockies, along with lower elevation rain showers, will persist today over parts of Colorado, into the northern Rockies. Chances for precipitation will decrease on Sunday over these areas, as the weather potent disturbance responsible for the winter weather pulls east. Meanwhile, the rest of the western states will be dominated by high pressure. This high pressure will build into the Rockies by Monday as well. Breezy to windy conditions will also continue into California, creating dangerous conditions supportive of wildfires
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