Developing Gulf Low to bring heavy rain, flooding to Gulf Coast

A developing area of low pressure over the northern Gulf of Mexico will bring heavy rain to parts of the Gulf Coast this week with the potential of some flooding from Louisiana to Florida.

A broad area of lower atmospheric pressure over the northern Gulf of Mexico will slowly begin to develop into a better organized area of low pressure today into Wednesday. This low-pressure system will bring areas of heavy rain to parts of the north-central Gulf Coast later today through Wednesday. The system will stay over the north-central Gulf of Mexico or hug the coast before making landfall later this week around Thursday or early Friday. Once the system moves onshore, it'll move east-northeast, spreading rain farther north and east into parts of the Southeast to end the week.

The low pressure is not expected to develop into a tropical system but will still cause heavy rain leading to some flooding and it'll also create rough seas that could cause coastal erosion and also contribute to coastal flooding. The greatest risk for flooding from falling rain will exist for areas near and south of I-10 from eastern Louisiana to the Florida Panhandle late today through Wednesday. As the system moves inland later this week, the flood risk increases for parts of Alabama, Georgia, and South Carolina. Along the immediate Gulf Coast, 2-6 inches of rain is expected with isolated higher amounts. Farther north and east, 0.50-1.75 inches can be expected.

Rainfall forecast

Along the Gulf Coast, Coastal Flood Advisories and Warnings continue through Thursday morning where 1-3 feet of saltwater inundation above normal high tide is possible that could lead to flooding from coastal east Louisiana to coastal Alabama.

Coastal Flood Advisories & Warnings