WEATHER Saturday May 18 2024 Heavy delays at Atlanta, Southeast US

Unsettled weather with chances for excessive rainfall and severethunderstorms continues across the Southeast Saturday......Severe weather potential returns to the Central Plains on Sunday......Sweltering heat continues across South Florida and southern Texas,building into the southern High Plains this weekend...A wet Saturday is in store for the Southeast as an upper-level wave andassociated surface frontal system focused along the Gulf Coast lead to abroad area of showers and thunderstorms. Rich moisture along and south ofthis boundary may lead to some locally heavy downpours, with a Slight Riskof Excessive Rainfall (level 2/4) in place for portions of southernAlabama, southwestern Georgia, and the Florida Panhandle. An expectedround of widespread, organized thunderstorms over wet soils from stormsalready occurring overnight Friday will lead to the threat of somescattered instances of flash flooding. Some storms will also carry thethreat for damaging winds and an isolated tornado or two, with a SlightRisk of severe weather (level 2/5) extending eastward further intosouthern Georgia and northern Florida. Moderate to locally heavy rainfallwill be possible elsewhere to the north of the boundary, with a fewadditional isolated instances of flash flooding possible. Additionalshowers will expand northward into the Mid-Atlantic, and onshore flowahead of a system over the Atlantic will bring showers to New England aswell, but these should remain lighter than those over the Southeast. Stormchances will taper off from west to east for much of the Southeastovernight Saturday and into early Sunday as the northern part of thefrontal system pushes eastward into the Atlantic. A trailing cold frontwill keep storms in the forecast for Florida Sunday.