US forecasters warned that Tropical Storm Bertha is expected to track along the northern coast of the Gulf of Mexico over the coming days, bringing the threat of flooding, storm surge and possible tornadoes from Florida to Louisiana.

Forecasters said the storm is moving westward and could eventually approach the Texas coast, while already posing a significant threat to parts of Alabama, Florida, Louisiana and Mississippi.

Tropical storm warnings remain in effect for the Alabama and Mississippi coastlines as well as eastern Louisiana, where tropical storm conditions are expected within the next 36 hours.

The NHC warned that some areas could receive up to 20 centimeters (8 inches) of rainfall by Friday, increasing the risk of flash flooding in low-lying and urban areas. Isolated tornadoes are also possible across parts of Florida as rain bands move inland.

Authorities also cautioned that storm surge could raise sea levels by between 30 centimeters and as much as 1 to 2 meters along portions of the Louisiana and Mississippi coasts, with coastal flooding expected in vulnerable communities.

Emergency officials urged residents in affected areas to closely monitor forecasts and follow local evacuation or safety guidance as Bertha continues its path across the Gulf of Mexico. (ILKHA)