DEVELOPING: Subtropical Storm Alberto has formed in the western Caribbean Sea, and will track north through the Gulf of Mexico through the Memorial Day weekend, bringing the threat of flash flooding, rip currents, strong winds, coastal flooding and tornadoes to the Southeast. The NHC found the area of surface low pressure, with thunderstorms sheared to its east, sufficient to categorize the system as a subtropical storm.

This is basically a hybrid between a tropical storm with a warm core and a more typical low-pressure system you may find in the higher latitudes with colder, upper-level low-pressure present.  Tropical storm watches have been issued for the western Cuba province of Pinar del Río and also for a part of Mexico’s Yucatán Peninsula from Tulúm to Cabo Catoche, including Cancún and Cozumel. READ MORE