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Summary for Tropical Depression Thirteen (AT3/AL132020)
2020-08-20 13:50:40| National Hurricane Center (Atlantic)
...NEW TROPICAL STORM WATCHES ISSUED FOR PORTIONS OF THE NORTHERN LEEWARD ISLANDS... As of 8:00 AM AST Thu Aug 20 the center of Thirteen was located near 15.4, -50.9 with movement WNW at 21 mph. The minimum central pressure was 1008 mb with maximum sustained winds of about 35 mph.
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Tropical Depression Thirteen Public Advisory Number 2A
2020-08-20 13:50:40| National Hurricane Center (Atlantic)
Issued at 800 AM AST Thu Aug 20 2020 000 WTNT33 KNHC 201150 TCPAT3 BULLETIN Tropical Depression Thirteen Intermediate Advisory Number 2A NWS National Hurricane Center Miami FL AL132020 800 AM AST Thu Aug 20 2020 ...NEW TROPICAL STORM WATCHES ISSUED FOR PORTIONS OF THE NORTHERN LEEWARD ISLANDS... SUMMARY OF 800 AM AST...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...15.4N 50.9W ABOUT 830 MI...1335 KM ESE OF THE NORTHERN LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...WNW OR 295 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 St. Maarten as issued a Tropical Storm Watch for St. Maarten. The government of Antigua has issued a Tropical Storm Watch for Antigua, Barbuda, St. Kitts, Nevis, and Anguilla. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Watch is in effect for... * Saba and St. Eustatius * St. Maarten * 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 AM AST (1200 UTC), the center of Tropical Depression Thirteen was located near latitude 15.4 North, longitude 50.9 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 and near or north of the Virgin Islands and Puerto Rico on Saturday. Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Gradual strengthening is forecast, and the depression is expected to become a tropical storm later today. The estimated minimum central pressure is 1008 mb (29.77 inches). HAZARDS AFFECTING LAND ---------------------- RAINFALL: The depression is expected to produce 1 to 3 inches of rain with isolated maximum totals of 5 inches through Sunday over the northern Leeward Islands and Puerto Rico. WIND: Tropical storm conditions are possible within the watch area by late Friday. NEXT ADVISORY ------------- Next complete advisory at 1100 AM AST. $$ Forecaster Brown
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Atlantic Tropical Weather Outlook
2020-08-20 13:29:08| National Hurricane Center (Atlantic)
000 ABNT20 KNHC 201128 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 800 AM EDT Thu Aug 20 2020 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Tropical Depression Thirteen, located several hundred miles east of the northern Leeward Islands. Showers and thunderstorms continue to become better organized in association with a tropical wave and accompanying broad area of low pressure over the central Caribbean Sea. Satellite imagery suggests that the circulation is becoming better defined and if these development trends continue, a tropical depression is likely to form today or tonight as the system approaches the northwestern Caribbean Sea. Interests in Honduras and the Yucatan Peninsula should closely monitor the progress of this system. Regardless of development, this disturbance will likely produce heavy rains across a large portion of Central America and southeastern Mexico late this week and this weekend. An Air Force Reserve reconnaissance aircraft is scheduled to investigate the disturbance system later today. * Formation chance through 48 hours...high...90 percent. * Formation chance through 5 days...high...90 percent. A tropical wave over western Africa is producing disorganized showers and thunderstorms near the Africa coast. This wave is expected to move over the far eastern tropical Atlantic on Friday, and some slow development is possible through the weekend while it moves west-northwestward at 15 to 20 mph across the eastern tropical Atlantic. * Formation chance through 48 hours...low...20 percent. * Formation chance through 5 days...medium...40 percent. && Public Advisories on Tropical Depression Thirteen are issued under WMO header WTNT33 KNHC and under AWIPS header MIATCPAT3. Forecast/Advisories on Tropical Depression Thirteen are issued under WMO header WTNT23 KNHC and under AWIPS header MIATCMAT3. $$ Forecaster Latto
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Eastern North Pacific Tropical Weather Outlook
2020-08-20 13:28:38| National Hurricane Center (East Pacific)
000 ABPZ20 KNHC 201128 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 500 AM PDT Thu Aug 20 2020 For the eastern North Pacific...east of 140 degrees west longitude: The National Hurricane Center is issuing advisories on Hurricane Genevieve, located about 55 miles west of the southern tip of the Baja California peninsula. An area of low pressure is expected to form this weekend several hundred miles southwest of the southwestern coast of Mexico. Conditions appear favorable for some slow development of this system, and a tropical depression could form by the middle of next week while it moves little. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...medium...50 percent. $$ Forecaster Brown
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Tropical Depression Thirteen Graphics
2020-08-20 12:24:18| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Thu, 20 Aug 2020 10:24:18 GMT Wind Speed Probabilities last updated Thu, 20 Aug 2020 10:24:18 GMT
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