000 ABNT20 KNHC 172330 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 800 PM EDT Sat Jun 17 2017 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: A tropical wave located about 1300 miles east-southeast of the southern Windward Islands is producing disorganized cloudiness and showers. Some development of this system is possible during the next few days before environmental conditions become less favorable for tropical cyclone formation. This system is forecast to move to the west or west-northwest at 15 to 20 mph toward the Windward Islands and northeastern South America during the next several days. * Formation chance through 48 hours...medium...40 percent. * Formation chance through 5 days...medium...60 percent. A broad area of low pressure located over the northwestern Caribbean Sea is producing a large area of disorganized showers and thunderstorms. Gradual development of this system is expected while it moves slowly northwestward across the Yucatan Peninsula on Sunday and over the southern or central Gulf of Mexico early next week, where a tropical or subtropical cyclone is likely to form. Regardless of development, heavy rains are expected over portions of Central America, the Yucatan Peninsula, Jamaica, the Cayman Islands, and western Cuba during the next several days. An Air Force Reserve Hurricane Hunter aircraft is scheduled to investigate this system on Sunday, if necessary. * Formation chance through 48 hours...medium...40 percent. * Formation chance through 5 days...high...80 percent. $$ Forecaster Cangialosi