000 ABNT20 KNHC 050525 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 200 AM EDT Tue Sep 5 2017 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Hurricane Irma, located a few hundred miles east of the Leeward Islands. Showers and thunderstorms associated with a broad area of low pressure located about 1000 miles west-southwest of the Cabo Verde Islands are gradually becoming better organized. Satellite data indicate that this system is already producing winds near tropical storm force. There is a strong likelihood that a tropical depression or tropical storm will form within the next few days while the disturbance moves west-northwestward at 10 to 15 mph over the tropical Atlantic Ocean. * Formation chance through 48 hours...medium...60 percent. * Formation chance through 5 days...high...90 percent. A trough of low pressure located over the southwestern Gulf of Mexico is producing disorganized shower activity and a few squalls. Environmental conditions are marginally conducive for development, and this system could become a tropical depression during the next couple of days while it meanders over the southwestern Gulf of Mexico. Regardless of development, heavy rains associated with this disturbance are likely over portions of eastern Mexico during the remainder of the week. * Formation chance through 48 hours...medium...50 percent. * Formation chance through 5 days...medium...60 percent. $$ Forecaster Cangialosi