Weather Wednesday May 8 2024 Ohio Vally and Great Lakes Storms Norheast unsettled weather

Severe thunderstorm and flash flood threat forecast across much of theMidwest, Tennessee and Lower Mississippi valleys, as well as into parts ofthe Southern Plains over the next few days......Heavy snow to impact the Northern Rockies with well below averagetemperatures throughout much of the Rockies and Intermountain West......Triple digit and potentially record-breaking heat over southern Texason Wednesday and Thursday...A mature and vertically stacked low pressure system over the NorthernPlains, along with its attached frontal boundaries, are expected to be thedriving force behind much of the impactful weather to affect the Lower 48over the next few days. This low is expected to begin weakening tonightand slide eastward into the Ohio Valley by Thursday before approaching theMid-Atlantic by early Friday. As it eventually makes the trek eastward,several chances for severe weather and heavy rain are possible from theMidwest and Ohio Valley to the Southern Plains, Lower Mississippi andTennessee valleys. The threat this evening starts in the Midwest,specifically over Indiana, western and central Ohio, and northernKentucky. A few storms in this region could produce large to very largehail, damaging wind gusts, and a few (some strong) tornadoes.Additionally, isolated flash flooding is possible from downpoursassociated with the strong thunderstorms. By Wednesday, the severe weatherand heavy rain threat is expected to shift southward along a graduallylifting warm front extending from the mid-Mississippi to the Ohio Valley.The Storm Prediction Center has issued a rather expansive Enhanced Risk(level 3/5) from northeast Texas to far western Virginia, which includesmuch of the lower Ohio Valley, Tennessee Valley, and middle to lowerMississippi Valley. Scattered to numerous thunderstorms appear likely inthis region, with all modes of severe weather possible. The greatest flashflooding threat also overlaps with the risk of severe thunderstorms,centered over Kentucky and Tennessee as well sections of neighboringstates. Residents and visitors are advised to have multiple ways ofreceiving warnings and never drive across flooded roadways. As the coldfront shifts further south on Thursday the active weather will repositionto the Southeast and Gulf Coast States, where additional rounds ofscattered severe thunderstorms and flash flooding are possible.