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| #1019835 (Received by flhurricane at: 5:03 AM 04.Oct.2020) TCPAT5 BULLETIN Tropical Storm Gamma Advisory Number 8 NWS National Hurricane Center Miami FL AL252020 400 AM CDT Sun Oct 04 2020 ...GAMMA LOCATED OVER THE EXTREME SOUTHERN GULF OF MEXICO... ...TORRENTIAL RAINS OCCURRING OVER THE NORTHERN YUCATAN PENINSULA... SUMMARY OF 400 AM CDT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...22.0N 88.2W ABOUT 110 MI...175 KM ENE OF PROGRESO MEXICO ABOUT 30 MI...45 KM N OF RIO LAGARTOS MEXICO MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...N OR 355 DEGREES AT 5 MPH...7 KM/H MINIMUM CENTRAL PRESSURE...995 MB...29.39 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The government of Mexico has discontinued the Tropical Storm Warning south of Cancun. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * North and west of Cancun to Dzilam Mexico A Tropical Storm Watch is in effect for... * West of Dzilam to Progreso Mexico A Tropical Storm Warning means that tropical storm conditions are occurring somewhere within the warning area. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 400 AM CDT (0900 UTC), the center of Tropical Storm Gamma was located near latitude 22.0 North, longitude 88.2 West. Gamma is moving toward the north near 5 mph (7 km/h), and this general motion with a further decrease in forward speed is forecast today. Gamma should turn toward the west or west-southwest tonight or Monday. On the forecast track, the center of Gamma will meander offshore of the northern Yucatan Peninsula and over the extreme southern Gulf of Mexico today, and pass near or just offshore of the northern coast of the Yucatan Peninsula on Monday and Tuesday. Maximum sustained winds are near 50 mph (85 km/h) with higher gusts. Some re-strengthening is expected today, followed by weakening tonight or Monday, which should continue into Wednesday. Tropical-storm-force winds extend outward up to 115 miles (185 km), mainly north and east of the center. The estimated minimum central pressure is 995 mb (29.39 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Tropical Storm Gamma can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT5, WMO header WTNT45 KNHC, and on the web at www.hurricanes.gov/text/MIATCDAT5.shtml. RAINFALL: Gamma is expected to produce an additional 2 to 4 inches with isolated maximum amounts of 6 inches across portions of northern Yucatan and far western Cuba through early Tuesday. This rainfall may prolong or enhance any ongoing flash flooding. Through the middle of the week, a separate area of significant rain is possible in the Mexican states of Campeche, Tabasco, northern Chiapas, and southeast Veracruz, with rainfall of 6 to 8 inches and isolated maximum amounts of 12 inches. This rainfall may produce life-threatening flash floods and mudslides. Another area of heavy rain will impact southern Guatemala towards the Gulf of Fonseca region between eastern El Salvador, southern Honduras, and northwest Nicaragua, with accumulations of 4 to 6 inches and isolated maximum amounts of 8 inches. WIND: Tropical storm conditions should continue within the Tropical Storm Warning area on northern coast of the Yucatan through today. Tropical Storm conditions are possible within the Tropical Storm Watch area on Monday. NEXT ADVISORY ------------- Next intermediate advisory at 700 AM CDT. Next complete advisory at 1000 AM CDT. $$ Forecaster Stewart |
