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Chill falls over the Atlantic as the official season heads towards close
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| #1013079 (Received by flhurricane at: 1:45 AM 21.Aug.2020) TCPAT3 BULLETIN Tropical Depression Thirteen Intermediate Advisory Number 5A NWS National Hurricane Center Miami FL AL132020 200 AM AST Fri Aug 21 2020 ...HEAVY RAINS FROM THE DEPRESSION EXPECTED OVER THE NORTHERN LEEWARD ISLANDS ON FRIDAY... SUMMARY OF 200 AM AST...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...17.5N 57.4W ABOUT 380 MI...610 KM E OF THE NORTHERN LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...WNW OR 290 DEGREES AT 22 MPH...35 KM/H MINIMUM CENTRAL PRESSURE...1008 MB...29.77 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Watch is in effect for... * 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, and Puerto Rico should monitor the progress of this system, as additional tropical storm watches or warnings will be required for portions of those areas later today. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 200 AM AST (0600 UTC), the center of Tropical Depression Thirteen was located near latitude 17.5 North, longitude 57.4 West. The depression is moving toward the west-northwest near 22 mph (35 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 based on NOAA Hurricane Hunter data is 1008 mb (29.77 inches). HAZARDS AFFECTING LAND ---------------------- RAINFALL: The depression is expected to produce 3 to 6 inches of rainfall over Puerto Rico and the Virgin Islands through Sunday. Heavy rainfall associated with the depression may cause mudslides on sensitive slopes and flash and urban flooding through Sunday. Over the northern Leeward Islands, the Dominican Republic, and Haiti, 1 to 3 inches of rain with isolated maximum totals of 5 inches are expected. WIND: Tropical storm conditions are possible within the watch area later today and Saturday. NEXT ADVISORY ------------- Next complete advisory at 500 AM AST. $$ Forecaster Beven |
