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| #1013095 (Received by flhurricane at: 4:54 AM 21.Aug.2020) TCPAT3 BULLETIN Tropical Depression Thirteen Advisory Number 6 NWS National Hurricane Center Miami FL AL132020 500 AM AST Fri Aug 21 2020 ...DEPRESSION APPROACHING THE NORTHERN LEEWARD ISLANDS... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...17.8N 58.5W ABOUT 305 MI...490 KM E OF THE NORTHERN LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...WNW OR 285 DEGREES AT 21 MPH...33 KM/H MINIMUM CENTRAL PRESSURE...1008 MB...29.77 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Government of the Bahamas has issued a Tropical Storm Watch for the southeastern Bahamas, including the Acklins, Crooked Island, Long Cay, the Inaguas, Mayaguana, and the Ragged Islands, as well as for the Turks and Caicos Islands. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Watch is in effect for... * The southeastern Bahamas and the Turks and Caicos Islands * Puerto Rico, Vieques and Culebra * U.S. Virgin Islands * British Virgin Islands * Saba and St. Eustatius * St. Maarten * St. Martin and St. Barthelemy * Antigua, Barbuda, St. Kitts, Nevis, and Anguilla A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. Interests elsewhere in the northern Leeward Islands, the Virgin Islands, Puerto Rico, and the Dominican Republic should monitor the progress of this system, as additional tropical storm watches or warnings will be required for portions of those areas later today. Interests in Cuba and the remainder of the Bahamas should also monitor the progress of this system. For storm information specific to your area in the United States, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. For storm information specific to your area outside of the United States, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 500 AM AST (0900 UTC), the center of Tropical Depression Thirteen was located near latitude 17.8 North, longitude 58.5 West. The depression is moving toward the west-northwest near 21 mph (33 km/h), and this motion is expected to continue for the next few days. On the forecast track, the depression is expected to move near or north of the northern Leeward Islands later today, near or north of the Virgin Islands and Puerto Rico on Saturday, and near or north of Hispaniola Saturday night. Maximum sustained winds remain near 35 mph (55 km/h) with higher gusts. Gradual strengthening is forecast, and the depression is likely to become a tropical storm by the weekend. The estimated minimum central pressure is 1008 mb (29.77 inches). HAZARDS AFFECTING LAND ---------------------- RAINFALL: The depression is expected to produce 3 to 6 inches over Puerto Rico and the Virgin Islands through Sunday. Locally heavy rainfall could lead to flash and urban flooding, as well as an increased potential for mudslides. Some rivers may overflow their banks. 1 to 3 inches of rain with isolated maximum totals of 5 inches is expected over the northern Leeward Islands, the Dominican Republic, Haiti, the Turks and Caicos and southeast Bahamas. WIND: Tropical storm conditions are possible within the watch area later today through Saturday night. NEXT ADVISORY ------------- Next intermediate advisory at 800 AM AST. Next complete advisory at 1100 AM AST. $$ Forecaster Beven |
