WEATHER SUNDAY MAY 26 2024 Severe weather and tornados Southern Great lakes to Kentucky and Tennessee...Delays into Chicago and KBNA .... Dry west coast

Severe weather and heavy rain chances shift into the Mid-Mississippi,Ohio and Tennessee valleys today before progressing into the Mid-Atlantic,Southeast, and Gulf Coast on Memorial Day......Dangerous and potentially record-breaking heat continues across partsof Texas, the western Gulf Coast, and southern Florida......Active weather returns to the southern Plains on Tuesday withadditional chances for severe weather and flash flooding...An organizing storm system over the central U.S. is responsible fornumerous thunderstorms stretching from Kansas/Missouri to the EdwardsPlateau of Texas. Boundaries aiding this convection include a drylineextending southward through the southern Plains and a slowly lifting warmfront stretching from the central Plains through the Ohio Valley. Currentstorms are expected to grow upscale and merge into a larger complex ofthunderstorms by morning while swinging through parts of Missouri,Illinois, western Kentucky, and neighboring states. Damaging wind gusts,large hail, and tornadoes are possible. Additionally, heavy rain may leadto scattered instances of flash flooding with this initial burst ofthunderstorms. By the afternoon hours another round of showers andthunderstorms are expected to develop along a cold front and impactsimilar regions, with the severe threat shifting further east across theOhio Valley overnight. More chances for all modes of severe weather arepossible, with repeating storms potentially increasing the flash floodingthreat throughout parts of Kentucky and Tennessee. Area of heavy rain mayalso lead to flash flooding concerns near the low pressure center as itprogresses toward southern Wisconsin tonight.As the center of the storm system enters the Great Lakes on Monday and theattached cold front extends from the Ohio Valley to the southern Plains,severe weather and heavy rain chances will focus along the eastern U.S.and Gulf Coast States. More specifically, the greatest chances for intenserainfall rates leading to flash flooding exists across easternPennsylvania and neighboring section of southeast New York and northwestNew Jersey, where a Slight Risk (level 2/4) of Excessive Rainfall is ineffect on Memorial Day. Severe thunderstorms are most likely across theMid-Atlantic as well as an area stretching from the Lower MississippiValley to the Southeast. Damaging wind gusts and hail are the primarypotential hazards. Residents and visitors planning to enjoy outdoorholiday barbecues and parties should remain weather aware and havemultiple ways to receive warnings.