000 ABNT20 KNHC 101734 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 200 PM EDT Fri Sep 10 2021 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Hurricane Larry, located over the western Atlantic several hundred miles southwest of Newfoundland, Canada. The northern part of a tropical wave is producing disorganized showers and thunderstorms over the western Caribbean Sea, and portions of Central America and the Yucatan peninsula. This system is forecast to move into the Bay of Campeche and merge with a pre-existing surface trough by Sunday. Environmental conditions are expected to be conducive to support gradual development thereafter, and a tropical depression is likely to form on Sunday or Monday before the system moves onshore along the western Gulf of Mexico coast. Regardless of development, this disturbance is expected to produce heavy rains across portions of Central America and the Yucatan Peninsula through Saturday. Heavy rains are likely to reach portions of the western Gulf coast late this weekend. * Formation chance through 48 hours...medium...40 percent. * Formation chance through 5 days...high...70 percent. A strong tropical wave located along the west coast of Africa is producing disorganized showers and thunderstorms. This wave will move off the coast by this evening, and gradual development is expected thereafter. A tropical depression is likely to form late this weekend or early next week as the system moves west-northwestward over the far eastern Atlantic near the Cabo Verde Islands. Interests in the Cabo Verde Islands should monitor the progress of this system. * Formation chance through 48 hours...medium...50 percent. * Formation chance through 5 days...high...70 percent. $$ Forecaster Cangialosi