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| #1019930 (Received by flhurricane at: 10:57 PM 04.Oct.2020) TCPAT5 BULLETIN Tropical Storm Gamma Advisory Number 11 NWS National Hurricane Center Miami FL AL252020 1000 PM CDT Sun Oct 04 2020 ...GAMMA CONTINUES TO DRIFT JUST NORTH OF THE YUCATAN PENINSULA... SUMMARY OF 1000 PM CDT...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...22.8N 87.2W ABOUT 190 MI...305 KM ENE OF PROGRESO MEXICO ABOUT 160 MI...255 KM N OF COZUMEL MEXICO MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...E OR 90 DEGREES AT 2 MPH...4 KM/H MINIMUM CENTRAL PRESSURE...998 MB...29.47 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The government of Mexico has issued a Tropical Storm Watch from Progreso to Campeche Mexico. 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 Campeche 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 1000 PM CDT (0300 UTC), data from an Air Force Reserve Hurricane Hunter aircraft indicated that the center of Tropical Storm Gamma was located near latitude 22.8 North, longitude 87.2 West. The tropical storm is drifting toward the east near 2 mph (4 km/h). Gamma is forecast to gradually turn toward the southwest or west-southwest on Monday and move slowly in that direction through mid-week. On the forecast track, the center of Gamma will continue to meander offshore of the northern Yucatan Peninsula tonight and pass near or just offshore of the northern coast of the Yucatan Peninsula on Monday and Tuesday. Maximum sustained winds are near 60 mph (95 km/h) with higher gusts. Some weakening is forecast during the next 48 hours. Gradual weakening is anticipated to begin on Monday and continue into Tuesday. Afterward, little change in strength is forecast. Tropical-storm-force winds extend outward up to 160 miles (260 km) from the center. The estimated minimum central pressure based on measurements from the hurricane hunter plane is 998 mb (29.47 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 3 to 6 inches of rainfall, with isolated maximum amounts of 8 inches, across portions of the Mexican states of Yucatan, Campeche and Tabasco. This rainfall may enhance any ongoing flash flooding and result in new areas of flash flooding into the middle of the week. WIND: Tropical storm conditions are likely in portions of the Tropical Storm Warning area along the northern coast of the Yucatan Peninsula on Monday. Tropical Storm conditions are possible within the Tropical Storm Watch area late Monday and Tuesday. NEXT ADVISORY ------------- Next intermediate advisory at 100 AM CDT. Next complete advisory at 400 AM CDT. $$ Forecaster Zelinsky |
