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Tropical Depression Thirteen Public Advisory Number 4A
2020-08-21 01:45:14| National Hurricane Center (Atlantic)
Issued at 800 PM AST Thu Aug 20 2020 000 WTNT33 KNHC 202345 TCPAT3 BULLETIN Tropical Depression Thirteen Intermediate Advisory Number 4A NWS National Hurricane Center Miami FL AL132020 800 PM AST Thu Aug 20 2020 ...INITIAL REPORTS FROM A NOAA HURRICANE HUNTER AIRCRAFT INDICATE THAT THE DEPRESSION IS NOT WELL ORGANIZED... SUMMARY OF 800 PM AST...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...17.0N 55.5W ABOUT 505 MI...815 KM E OF THE NORTHERN LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...WNW OR 290 DEGREES AT 21 MPH...33 KM/H MINIMUM CENTRAL PRESSURE...1009 MB...29.80 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 800 PM AST (0000 UTC), the center of poorly organized Tropical Depression Thirteen was located near latitude 17.0 North, longitude 55.5 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 by late Friday, near or north of the Virgin Islands and Puerto Rico on Saturday, and near or north of Hispaniola Saturday night. Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Gradual strengthening is forecast, and the depression is forecast to become a tropical storm on Friday. The estimated minimum central pressure based on NOAA Hurricane Hunter data is 1009 mb (29.80 inches). HAZARDS AFFECTING LAND ---------------------- RAINFALL: The depression is expected to produce 1 to 3 inches of rain with isolated maximum totals of 5 inches over the northern Leeward Islands, and maximum totals of 3 to 6 inches over Puerto Rico and the Virgin Islands through Sunday. WIND: Tropical storm conditions are possible within the watch area late Friday and Saturday. NEXT ADVISORY ------------- Next complete advisory at 1100 PM AST. $$ Forecaster Blake
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Tropical Depression Fourteen Public Advisory Number 2A
2020-08-21 01:45:14| National Hurricane Center (Atlantic)
Issued at 800 PM EDT Thu Aug 20 2020 000 WTNT34 KNHC 202345 TCPAT4 BULLETIN Tropical Depression Fourteen Intermediate Advisory Number 2A NWS National Hurricane Center Miami FL AL142020 800 PM EDT Thu Aug 20 2020 ...DEPRESSION SHOWING SIGNS OF GETTING BETTER ORGANIZED... ...EXPECTED TO BECOME A TROPICAL STORM ON FRIDAY... SUMMARY OF 800 PM EDT...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...14.7N 81.7W ABOUT 100 MI...165 KM ESE OF CABO GRACIAS A DIOS ON NIC/HON BORDER MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...W OR 275 DEGREES AT 17 MPH...29 KM/H MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Honduras/Nicaragua border westward to Punta Castilla Honduras * Bay Islands of Honduras * Puerto Cabezas Nicaragua northward to the Honduras/Nicaragua border A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area, in this case within the next 12 hours. Additional watches or warnings, including for the Yucatan Peninsula of Mexico, may be required later this evening or tonight. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 800 PM EDT (0000 UTC), the center of Tropical Depression Fourteen was located near latitude 14.7 North, longitude 81.7 West. The depression is moving toward the west near 17 mph (29 km/h), and this general motion is expected to continue through tonight. A turn toward the west-northwest and northwest with a decrease in forward speed is forecast on Friday, with a general northwest motion continuing through at least Sunday. On the forecast track, the center of the system will move near or over extreme northern Nicaragua and northeastern Honduras, including the Bay Islands, on Friday and approach the east coast of the Yucatan Peninsula of Mexico on Saturday. The center is then expected to cross the Yucatan Peninsula Saturday night and move into the south-central Gulf of Mexico on Sunday. Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Strengthening is forecast during the next couple of days, and the depression is expected to become a tropical storm on Friday. The system could be near or at hurricane strength when it reaches the Yucatan Peninsula of Mexico late Saturday. The estimated minimum central pressure based on surface observations is 1007 mb (29.74 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm conditions are expected to first reach the coast within the warning area later tonight and early Friday, making outside preparations difficult or dangerous. These conditions will spread westward along the coast of Honduras within the warning area during the day on Friday. RAINFALL: The depression is expected to produce the following rainfall accumulations through Sunday: Eastern portions of the Mexican states of Quintana Roo and Yucatan: 3 to 6 inches, isolated maximum totals of 10 inches. This rainfall may result in areas of flash flooding. Honduras: 2 to 4 inches. Jamaica and northern Nicaragua: 1 to 2 inches. NEXT ADVISORY ------------- Next complete advisory at 1100 PM EDT. $$ Forecaster Stewart
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Tropical Depression Fourteen Graphics
2020-08-21 00:05:58| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Thu, 20 Aug 2020 22:05:58 GMT Wind Speed Probabilities last updated Thu, 20 Aug 2020 22:05:59 GMT
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Tropical Depression Fourteen Graphics
2020-08-20 22:58:45| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Thu, 20 Aug 2020 20:58:45 GMT Wind Speed Probabilities last updated Thu, 20 Aug 2020 20:58:45 GMT
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Tropical Depression Thirteen Graphics
2020-08-20 22:58:16| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Thu, 20 Aug 2020 20:58:16 GMT Wind Speed Probabilities last updated Thu, 20 Aug 2020 20:58:16 GMT
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