00:00More than 4 million Americans face flood watches as a tropical storm threatens the Gulf Coast this week.
00:06Forecasters warn a large low-pressure system south of Texas could become Tropical Storm Isaias between Wednesday and Friday.
00:14This storm is expected to bring heavy rain, thunderstorms, and flooding to Louisiana, Alabama, Mississippi, Florida, and beyond.
00:22Up to 8 inches of rain may fall in northern Florida alone from Monday through Wednesday, raising flash flood concerns.
00:30The National Hurricane Center says there is a 70% chance the cyclone will form this week if Isaias develops.
00:36It would be the first tropical system to hit the U.S. mainland since early September.
00:41AccuWeather's lead hurricane expert Alex DaSilva warns the worst impacts could hit the Florida panhandle and surrounding states.
00:49With rainfall possibly reaching 14 inches, even if Isaias fails to form fully, flooding downpours could spread as far north
00:56as Pennsylvania and New Jersey.
00:58Disclosure, this video contains stock footage and content created or enhanced using AI-assisted tools.
