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| #1022532 (Received by flhurricane at: 5:00 AM 25.Oct.2020) TCPAT3 BULLETIN Tropical Storm Zeta Advisory Number 3 NWS National Hurricane Center Miami FL AL282020 500 AM EDT Sun Oct 25 2020 ...ZETA MEANDERING OVER THE NORTHWESTERN CARIBBEAN SEA... ...EXPECTED TO PRODUCE HEAVY RAINFALL AND TROPICAL-STORM-FORCE WINDS ACROSS PORTIONS OF THE NORTHWESTERN CARIBBEAN... SUMMARY OF 500 AM EDT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...17.7N 83.5W ABOUT 305 MI...490 KM SSE OF THE WESTERN TIP OF CUBA ABOUT 295 MI...475 KM SE OF COZUMEL MEXICO MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...N OR 360 DEGREES AT 1 MPH...2 KM/H MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Pinar del Rio Cuba A Tropical Storm Watch is in effect for... * Tulum to Rio Lagartos Mexico * Cozumel A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area within 36 hours. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 500 AM EDT (0900 UTC), the center of Tropical Storm Zeta was located a NOAA reconnaissance aircraft near latitude 17.7 North, longitude 83.6 West. Zeta is currently stationary and is continuing to re-organize. However, a slow north-northwestward to northwestward motion is expected to resume later today. A turn toward the west-northwest and an increase in forward speed are forecast by Monday, followed by a faster northwestward motion on Tuesday. On the forecast track, the center of Zeta will pass south of western Cuba early Monday and move near or over the northern Yucatan Peninsula or Yucatan Channel late Monday, move into the southern Gulf of Mexico on Tuesday, and reach the central Gulf of Mexico by late Tuesday. Data from the aircraft indicate that maximum sustained winds are near 40 mph (65 km/h) with higher gusts. Gradual strengthening is expected during the next 48 to 72 hours, and Zeta is forecast to become a hurricane by early Tuesday. Tropical-storm-force winds extend outward up to 80 miles (130 km), mainly southeast of the center. The estimated minimum central pressure based on reports from the NOAA aircraft is 1005 mb (29.68 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Tropical Storm Zeta can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT3 and WMO header WTNT43 KNHC. RAINFALL: Heavy rainfall bands will be expansive along and east-northeast of Zetas track. Across portions of central and western Cuba, the Cayman Islands, Jamaica, the northeast Yucatan peninsula of Mexico, Southern Florida and the Keys, storm total rainfall of 4 to 8 inches with local amounts of 12 inches are possible through Wednesday. By Wednesday, heavy rainfall associated with Zeta will begin to affect the central Gulf Coast region, which may lead to flash flooding in urban areas. WIND: Tropical storm conditions are expected within the warning area in Cuba by Monday morning. Tropical storm conditions are possible within the watch area in Mexico by Monday evening. NEXT ADVISORY ------------- Next intermediate advisory at 800 AM EDT. Next complete advisory at 1100 AM EDT. $$ Forecaster Stewart |
