The islands have already been battered by Hurricane Lala.

Tropical Storm Bertha formed in the northeastern Gulf and is expected to hit portions of the Gulf Coast from Florida to Louisiana, potentially reaching as far west as Texas.

Tropical Storm Bertha strengthened on Tuesday and had 60 mph winds, and tropical storm warnings continued for the Alabama coast. The National Hurricane Center said tropical storm conditions were being reported along the northern Gulf Coast as of Tuesday ...

National Hurricane Center issued first advisory on Tropical Storm Dolly at 11 a.m. Aug. 27, warning Leeward Islands residents to monitor the system.

In the Pacific, Tropical Storm Fausto was expected to strengthen and become a hurricane by Monday night, the National Hurricane Center said.

Northwest Florida from the Bay/Gulf County Line to the Terrebonne/Lafourche Parish Line in Louisiana are now under a tropical storm warning. A tropical storm warning means tropical storm conditions are expected somewhere within the warning area within 36 hours.

Bertha's expected impacts include gusty winds, heavy rain, storm surge and rough, dangerous surf. Follow live updates.

Fausto remained a Category 1 hurricane this morning as it approaches Hawaiian waters, but forecasters say it will start weakening today on a track just north of the islands Tuesday and Wednesday.

KHON2 consulted the National Weather Service and the National Hurricane Center to explain the differences between tropical storm and hurricane watches and warnings.