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Hurricane Zeta Public Advisory Number 9

2020-10-26 21:41:55| National Hurricane Center (Atlantic)

Issued at 400 PM CDT Mon Oct 26 2020 000 WTNT33 KNHC 262041 TCPAT3 BULLETIN Hurricane Zeta Advisory Number 9 NWS National Hurricane Center Miami FL AL282020 400 PM CDT Mon Oct 26 2020 ...ZETA EXPECTED TO BRING HURRICANE CONDITIONS AND A DANGEROUS STORM SURGE TO PORTIONS OF THE YUCATAN PENINSULA... ...HURRICANE AND STORM SURGE WATCHES ISSUED FOR THE NORTHERN GULF COAST... SUMMARY OF 400 PM CDT...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...19.5N 86.0W ABOUT 90 MI...145 KM SE OF COZUMEL MEXICO MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H PRESENT MOVEMENT...NW OR 305 DEGREES AT 10 MPH...17 KM/H MINIMUM CENTRAL PRESSURE...981 MB...28.97 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: A Storm Surge Watch is in effect from Intracoastal City, Louisiana, to Navarre, Florida, including Lake Borgne, Lake Pontchartrain, Vermilion Bay, Pensacola Bay, and Mobile Bay. A Hurricane Watch is in effect from Morgan City, Louisiana, to the Mississippi/Alabama border, including Lake Pontchartrain, Lake Maurepas, and metropolitan New Orleans. A Tropical Storm Watch is in effect from the Mississippi/Alabama border to the Okaloosa/Walton County Line, Florida, and from west of Morgan City to Intracoastal City. The government of Cuba has discontinued the Tropical Storm Warning for Pinar del Rio. 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... * South of Tulum to Punta Allen Mexico * West of Dzilam to Progreso Mexico A Storm Surge Watch is in effect for... * Intracoastal City Louisiana to Navarre Florida * Lake Borgne, Lake Pontchartrain, Vermilion Bay, Pensacola Bay, and Mobile Bay A Hurricane Watch is in effect for... * Morgan City Louisiana to the Mississippi/Alabama border * Lake Pontchartrain, Lake Maurepas, and Metropolitan New Orleans A Tropical Storm Watch is in effect for... * Mississippi/Alabama border to Okaloosa/Walton County Line Florida * West of Morgan City to Intracoastal City Louisiana A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area, in this case within the next 12 hours. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area within 12 to 24 hours. A Storm Surge Watch means there is a possibility of life- threatening inundation, from rising water moving inland from the coastline, in the indicated locations during the next 48 hours. For a depiction of areas at risk, please see the National Weather Service Storm Surge Watch/Warning Graphic, available at hurricanes.gov. A Hurricane Watch means that hurricane conditions are possible within the watch area. A watch is typically issued 48 hours before the anticipated first occurrence of tropical-storm-force winds, conditions that make outside preparations difficult or dangerous. 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 400 PM CDT (2100 UTC), the center of Hurricane Zeta was located near latitude 19.5 North, longitude 86.0 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 over the northern Yucatan Peninsula later today or tonight, move over the southern Gulf of Mexico on Tuesday, and approach the northern Gulf Coast in the watch area on Wednesday. Maximum sustained winds are near 80 mph (130 km/h) with higher gusts. Some additional strengthening is possible before Zeta makes landfall in the Yucatan Peninsula. Some weakening is likely while Zeta moves over the Yucatan Peninsula late tonight and early Tuesday. Zeta is forecast to strengthen again when it moves over the southern Gulf of Mexico later on Tuesday and be at or near hurricane strength when it approaches the northern Gulf Coast on Wednesday. Hurricane-force winds extend outward up to 25 miles (35 km) from the center and tropical-storm-force winds extend outward up to 115 miles (185 km). The estimated minimum central pressure is 981 mb (28.97 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. 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. The combination of a dangerous storm surge and the tide will cause normally dry areas near the coast to be flooded by rising waters moving inland from the shoreline. The water could reach the following heights above ground somewhere in the indicated areas if the peak surge occurs at the time of high tide... Port Fourchon LA to Dauphin Island AL including Lake Borgne...4-6 ft Intracoastal City LA to Port Fourchon LA including Vermilion Bay...2-4 ft Dauphin Island AL to Navarre FL including Mobile Bay and Pensacola Bay...2-4 ft Lake Pontchartrain...2-4 ft Navarre FL to Yankeetown FL including Choctawhatchee Bay and Saint Andrew Bay...1-3 ft The deepest water will occur along the immediate coast near and to the right of the landfall location, where the surge will be accompanied by large and dangerous waves. Surge-related flooding depends on the relative timing of the surge and the tidal cycle, and can vary greatly over short distances. For information specific to your area, please see products issued by your local National Weather Service forecast office. RAINFALL: Rainfall totals of 4 to 8 inches with local amounts of 12 inches are possible through Tuesday along and east-northeast of Zetas track across the Yucatan Peninsula of Mexico, the Cayman Islands, and central to western Cuba. An initial area of heavy rains will begin to impact the central Gulf Coast Tuesday night, spreading north into the Tennessee Valley on Wednesday. The core of the heavy rains associated with Zeta will push northeast from eastern Louisiana across southern Mississippi, Alabama and northern Georgia through Wednesday night, and through the southern Appalachians 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 this evening. Tropical storm conditions are expected within the Tropical Storm Warning area in Mexico this evening. Hurricane conditions are possible within the Hurricane Watch area on the northern Gulf Coast late Wednesday, and tropical storm conditions are possible within the Tropical Storm Watch area on the northern Gulf Coast late Wednesday. NEXT ADVISORY ------------- Next intermediate advisory at 700 PM CDT. Next complete advisory at 1000 PM CDT. $$ Forecaster Pasch

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Hurricane Zeta Forecast Advisory Number 9

2020-10-26 21:41:25| National Hurricane Center (Atlantic)

Issued at 2100 UTC MON OCT 26 2020 000 WTNT23 KNHC 262041 TCMAT3 HURRICANE ZETA FORECAST/ADVISORY NUMBER 9 NWS NATIONAL HURRICANE CENTER MIAMI FL AL282020 2100 UTC MON OCT 26 2020 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... A STORM SURGE WATCH IS IN EFFECT FROM INTRACOASTAL CITY LOUISIANA TO NAVARRE FLORIDA INCLUDING LAKE BORGNE...LAKE PONTCHARTRAIN... VERMILION BAY...PENSACOLA BAY AND MOBILE BAY. A HURRICANE WATCH IS IN EFFECT FROM MORGAN CITY LOUISIANA TO THE MISSISSIPPI/ALABAMA BORDER...INCLUDING LAKE PONTCHARTRAIN...LAKE MAUREPAS AND METROPOLITAN NEW ORLEANS. A TROPICAL STORM WATCH IS IN EFFECT FROM THE MISSISSIPPI/ALABAMA BORDER TO THE OKALOOSA/WALTON COUNTY LINE FLORIDA...AND FROM WEST OF MORGAN CITY TO INTRACOASTAL CITY. THE GOVERNMENT OF CUBA HAS DISCONTINUED THE TROPICAL STORM WARNING FOR PINAR DEL RIO. 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... * SOUTH OF TULUM TO PUNTA ALLEN MEXICO * WEST OF DZILAM TO PROGRESO MEXICO A STORM SURGE WATCH IS IN EFFECT FOR... * INTRACOASTAL CITY LOUISIANA TO NAVARRE FLORIDA * LAKE BORGNE...LAKE PONTCHARTRAIN...VERMILION BAY...PENSACOLA BAY AND MOBILE BAY A HURRICANE WATCH IS IN EFFECT FOR... * MORGAN CITY LOUISIANA TO THE MISSISSIPPI/ALABAMA BORDER * LAKE PONTCHARTRAIN...LAKE MAUREPAS AND METROPOLITAN NEW ORLEANS A TROPICAL STORM WATCH IS IN EFFECT FOR... * MISSISSIPPI/ALABAMA BORDER TO OKALOOSA/WALTON COUNTY LINE FLORIDA * WEST OF MORGAN CITY TO INTRACOASTAL CITY LOUISIANA A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN THE NEXT 12 HOURS. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 12 TO 24 HOURS. A STORM SURGE WATCH MEANS THERE IS A POSSIBILITY OF LIFE- THREATENING INUNDATION FROM RISING WATER MOVING INLAND FROM THE COASTLINE IN THE INDICATED LOCATIONS DURING THE NEXT 48 HOURS. FOR A DEPICTION OF AREAS AT RISK PLEASE SEE THE NATIONAL WEATHER SERVICE STORM SURGE WATCH/WARNING GRAPHIC...AVAILABLE AT HURRICANES.GOV. A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA. A WATCH IS TYPICALLY ISSUED 48 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS. HURRICANE CENTER LOCATED NEAR 19.5N 86.0W AT 26/2100Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE NORTHWEST OR 305 DEGREES AT 9 KT ESTIMATED MINIMUM CENTRAL PRESSURE 981 MB MAX SUSTAINED WINDS 70 KT WITH GUSTS TO 85 KT. 64 KT....... 20NE 0SE 0SW 0NW. 50 KT....... 50NE 50SE 20SW 40NW. 34 KT.......100NE 100SE 30SW 70NW. 12 FT SEAS.. 90NE 60SE 30SW 60NW. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 19.5N 86.0W AT 26/2100Z AT 26/1800Z CENTER WAS LOCATED NEAR 19.3N 85.6W FORECAST VALID 27/0600Z 20.5N 87.7W MAX WIND 75 KT...GUSTS 90 KT. 64 KT... 20NE 20SE 0SW 0NW. 50 KT... 50NE 50SE 20SW 40NW. 34 KT...100NE 100SE 30SW 70NW. FORECAST VALID 27/1800Z 22.1N 89.9W MAX WIND 65 KT...GUSTS 80 KT. 64 KT... 20NE 20SE 0SW 0NW. 50 KT... 50NE 50SE 20SW 40NW. 34 KT...100NE 100SE 30SW 70NW. FORECAST VALID 28/0600Z 24.2N 91.4W MAX WIND 70 KT...GUSTS 85 KT. 64 KT... 20NE 20SE 0SW 10NW. 50 KT... 50NE 50SE 20SW 40NW. 34 KT...110NE 100SE 40SW 70NW. FORECAST VALID 28/1800Z 26.8N 91.4W MAX WIND 70 KT...GUSTS 85 KT. 64 KT... 20NE 20SE 0SW 10NW. 50 KT... 50NE 50SE 20SW 40NW. 34 KT...110NE 100SE 50SW 70NW. FORECAST VALID 29/0600Z 30.8N 88.9W...INLAND MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 40NE 40SE 20SW 20NW. 34 KT... 80NE 100SE 40SW 60NW. FORECAST VALID 29/1800Z 35.0N 83.5W...INLAND MAX WIND 30 KT...GUSTS 40 KT. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY OUTLOOK VALID 30/1800Z 42.0N 68.0W...POST-TROP/EXTRATROP MAX WIND 35 KT...GUSTS 45 KT. OUTLOOK VALID 31/1800Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 19.5N 86.0W INTERMEDIATE PUBLIC ADVISORY...WTNT33 KNHC/MIATCPAT3...AT 27/0000Z NEXT ADVISORY AT 27/0300Z $$ FORECASTER PASCH

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Hurricane Zeta Update Statement

2020-10-26 20:10:07| National Hurricane Center (Atlantic)

Issued at 210 PM CDT Mon Oct 26 2020 000 WTNT63 KNHC 261909 TCUAT3 Hurricane Zeta Tropical Cyclone Update NWS National Hurricane Center Miami FL AL282020 210 PM CDT Mon Oct 26 2020 ...AIR FORCE RESERVE HURRICANE HUNTERS FIND ZETA HAS STRENGTHENED TO A HURRICANE... Data from an Air Force Reserve Hurricane Hunter aircraft indicate that Zeta has become a hurricane, with maximum sustained winds near 80 mph (130 km/h) with higher gusts. SUMMARY OF 210 PM CDT...1910 UTC...INFORMATION ---------------------------------------------- LOCATION...19.4N 85.8W ABOUT 105 MI...170 KM SE OF COZUMEL MEXICO MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H PRESENT MOVEMENT...NW OR 305 DEGREES AT 10 MPH...17 KM/H MINIMUM CENTRAL PRESSURE...981 MB...28.97 INCHES $$ Forecaster Brennan/Pasch

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Summary for Hurricane Zeta (AT3/AL282020)

2020-10-26 20:10:07| National Hurricane Center (Atlantic)

...AIR FORCE RESERVE HURRICANE HUNTERS FIND ZETA HAS STRENGTHENED TO A HURRICANE... As of 2:10 PM CDT Mon Oct 26 the center of Zeta was located near 19.4, -85.8 with movement NW at 10 mph. The minimum central pressure was 981 mb with maximum sustained winds of about 80 mph.

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