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| #1022706 (Received by flhurricane at: 2:03 PM 26.Oct.2020) TCPAT3 BULLETIN Tropical Storm Zeta Intermediate Advisory Number 8A NWS National Hurricane Center Miami FL AL282020 100 PM CDT Mon Oct 26 2020 ...ZETA HEADED FOR THE YUCATAN PENINSULA... SUMMARY OF 100 PM CDT...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...19.3N 85.6W ABOUT 120 MI...190 KM SE OF COZUMEL MEXICO MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H PRESENT MOVEMENT...NW OR 305 DEGREES AT 10 MPH...17 KM/H MINIMUM CENTRAL PRESSURE...986 MB...29.12 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * Tulum to Dzilam Mexico * Cozumel A Tropical Storm Warning is in effect for... * Pinar del Rio Cuba * South of Tulum to Punta Allen * West of Dzilam to Progreso A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. A warning is typically issued 36 hours before the anticipated first occurrence of tropical-storm- force winds, conditions that make outside preparations difficult or dangerous. Preparations to protect life and property should be rushed to completion. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area within 36 hours. Watches will likely be required for a portion of the northern Gulf Coast later today. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 100 PM CDT (1800 UTC), the center of Tropical Storm Zeta was located by an Air Force Reserve Hurricane Hunter aircraft near latitude 19.3 North, longitude 85.6 West. Zeta is moving toward the northwest near 10 mph (17 km/h). A northwestward motion with some increase in forward speed is expected over the next day or so, followed by a turn toward the north Tuesday night. A faster northward to north-northeastward motion is forecast on Wednesday. On the forecast track, the center of Zeta will move near or over the northern Yucatan Peninsula later today or tonight, move over the southern Gulf of Mexico on Tuesday, and approach the northern Gulf Coast on Wednesday. Maximum sustained winds are near 70 mph (110 km/h) with higher gusts. Strengthening is forecast, and Zeta is expected to become a hurricane later today. Some weakening is likely while Zeta moves over the Yucatan Peninsula tonight and early Tuesday. Zeta is forecast to strengthen again while it moves over the southern Gulf of Mexico later on Tuesday. Tropical-storm-force winds extend outward up to 115 miles (185 km) from the center. The minimum central pressure estimated from Hurricane Hunter aircraft observations is 986 mb (29.12 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Zeta can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT3, WMO header WTNT43 KNHC, and on the web at www.hurricanes.gov/text/MIATCDAT3.shtml. RAINFALL: Rainfall totals of 4 to 8 inches with local amounts of 12 inches are possible through Tuesday along and east-northeast of Zeta`s track across the Yucatan Peninsula of Mexico, the Cayman Islands, and central to western Cuba. Heavy rains will begin to impact the central Gulf Coast Tuesday night, spreading inland across eastern Mississippi, Alabama, northern Georgia during Wednesday, through the southern Appalachians Wednesday night and into the Mid-Atlantic on Thursday. Rainfall totals of 2 to 4 inches with isolated amounts of 6 inches are expected across these areas, resulting in flash, urban, small stream, and minor river flooding. WIND: Hurricane conditions are expected within the Hurricane Warning area in the Yucatan Peninsula by late today. Tropical storm conditions are expected within the Tropical Storm Warning area in Mexico by late today. Tropical storm conditions could occur in the warning area in western Cuba beginning later today. STORM SURGE: A dangerous storm surge will raise water levels by as much as 2 to 4 feet above normal tide levels along the immediate coast in the Hurricane Warning area near and to the north of where the center makes landfall in the Yucatan Peninsula. NEXT ADVISORY ------------- Next complete advisory at 400 PM CDT. $$ Forecaster Pasch |
