000 ABNT20 KNHC 271719 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 200 PM EDT Fri Oct 27 2017 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: Showers and thunderstorms associated with a broad area of low pressure located over the northwestern Caribbean Sea are beginning to show signs of organization. Environmental conditions are expected to be conducive for additional development, and a tropical depression or tropical storm is likely to form later today or Saturday as the system moves northward over the northwestern Caribbean Sea before turning northeastward by late Saturday. Tropical storm watches and warnings may be needed for the Cayman Islands, central and western Cuba, and the central and northwestern Bahamas later today or tonight. Interests in the Florida Keys and South Florida should also monitor the progress of this disturbance. An Air Force Reserve reconnaissance aircraft is en route to investigate this system. Regardless of development, this disturbance is expected to produce locally heavy rainfall over the Cayman Islands, Jamaica, and portions of Cuba during the next day or two. Rainfall is also forecast to spread northward across portions of South Florida and the Keys on Saturday, and over the northwestern and central Bahamas Saturday night and Sunday. * Formation chance through 48 hours...high...80 percent. * Formation chance through 5 days...high...80 percent. $$ Forecaster Brown/Brennan
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