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Tropical Storm Zeta Public Advisory Number 19

2020-10-29 09:39:46| National Hurricane Center (Atlantic)

Issued at 400 AM CDT Thu Oct 29 2020 000 WTNT33 KNHC 290839 TCPAT3 BULLETIN Tropical Storm Zeta Advisory Number 19 NWS National Hurricane Center Miami FL AL282020 400 AM CDT Thu Oct 29 2020 ...ZETA PRODUCING DAMAGING GUSTY WINDS ACROSS PORTIONS OF THE SOUTHEAST UNITED STATES... SUMMARY OF 400 AM CDT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...34.0N 85.5W ABOUT 65 MI...105 KM WNW OF ATLANTA GEORGIA ABOUT 80 MI...130 KM ENE OF BIRMINGHAM ALABAMA MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...NE OR 40 DEGREES AT 39 MPH...63 KM/H MINIMUM CENTRAL PRESSURE...988 MB...29.18 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Storm Surge Warning has been discontinued. Information on ongoing coastal flooding can be found in coastal flood products issued by local National Weather Service offices. The Tropical Storm Warning from the Mississippi-Alabama border to west of Navarre, Florida, has been canceled. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Navarre to Walton/Bay County Line Florida A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area. For storm information specific to your area, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. DISCUSSION AND OUTLOOK ---------------------- At 400 AM CDT (0900 UTC), the center of Tropical Storm Zeta was located near latitude 34.0 North, longitude 85.5 West. Zeta is racing toward the northeast near 39 mph (63 km/h). An even faster northeastward motion is expected later today, followed by a rapid east-northeastward motion tonight and Friday. On the forecast track, the center of Zeta will move across portions of the southeastern U.S. this morning, across the Mid-Atlantic states this afternoon, and emerge over the western Atlantic by tonight. Maximum sustained winds are near 60 mph (95 km/h) with higher gusts. Zeta is expected to become a non-tropical gale-force low later today. The low should become absorbed by a frontal system over the western Atlantic by Friday night. Tropical-storm-force winds extend outward up to 175 miles (280 km) from the center. The estimated minimum central pressure based on surface observations is 988 mb (29.18 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: Water levels along the Central Gulf coast will gradually subside throughout the day. Consult products issued by your local National Weather Service forecast office for additional information. WIND: Tropical storm conditions are expected to continue within the warning area near the northern Gulf Coast for a few more hours. Damaging winds, especially in gusts, are spreading well inland across portions of central and northern Alabama, and northern Georgia, and these winds will shift into eastern Tennessee, the Carolinas, and southeastern Virginia later today. Wind gusts could be especially severe across the southern Appalachian Mountains. RAINFALL: Areas of heavy rainfall, both in advance of Zeta and along the track of Zeta, will impact areas from the central Appalachians, Mid-Atlantic and lower to middle Ohio Valley through Thursday. Rainfall totals of 1 to 3 inches are expected across these areas, resulting in possible flash, urban, small stream, and isolated minor river flooding. TORNADOES: A few tornadoes could occur this morning from parts of the Florida Panhandle across southeastern Alabama and Georgia. A tornado or two is possible later today over the Carolinas and southern Virginia. NEXT ADVISORY ------------- Next intermediate advisory at 700 AM CDT. Next complete advisory at 1000 AM CDT. $$ Forecaster Cangialosi

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Hurricane Zeta Public Advisory Number 18A

2020-10-29 07:00:41| National Hurricane Center (Atlantic)

Issued at 100 AM CDT Thu Oct 29 2020 000 WTNT33 KNHC 290600 TCPAT3 BULLETIN Tropical Storm Zeta Intermediate Advisory Number 18A NWS National Hurricane Center Miami FL AL282020 100 AM CDT Thu Oct 29 2020 ...ZETA WEAKENS TO A TROPICAL STORM OVER CENTRAL ALABAMA... ...STRONG WINDS CONTINUE ACROSS PORTIONS OF ALABAMA AND THE FLORIDA PANHANDLE SUMMARY OF 100 AM CDT...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...32.9N 87.4W ABOUT 25 MI...40 KM SSE OF TUSCALOOSA ALABAMA MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H PRESENT MOVEMENT...NE OR 40 DEGREES AT 31 MPH...50 KM/H MINIMUM CENTRAL PRESSURE...985 MB...29.09 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Hurricane and Storm Surge Warnings for the Mississippi coast have been discontinued. The Storm Surge Warning for the Florida Panhandle has been discontinued. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Storm Surge Warning is in effect for... * From the Mississippi/Alabama border to the Alabama/Florida border * Mobile Bay A Tropical Storm Warning is in effect for... * Mississippi/Alabama border to Walton/Bay County Line Florida A Storm Surge Warning means there is a danger of life-threatening inundation, from rising water moving inland from the coastline in the indicated locations. For a depiction of areas at risk, please see the National Weather Service Storm Surge Watch/Warning Graphic, available at hurricanes.gov. This is a life-threatening situation. Persons located within these areas should take all necessary actions to protect life and property from rising water and the potential for other dangerous conditions. Promptly follow evacuation and other instructions from local officials. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area. For storm information specific to your area, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. DISCUSSION AND OUTLOOK ---------------------- At 100 AM CDT (0600 UTC), the center of Tropical Storm Zeta was located near latitude 32.9 North, longitude 87.4 West. Zeta is moving quickly toward the northeast near 31 mph (50 km/h). An even faster northeastward motion is expected later today, followed by a rapid east-northeastward motion tonight and Friday. On the forecast track, the center of Zeta will move across portions of the southeastern U.S. this morning, across the Mid-Atlantic states this afternoon, and emerge over the western Atlantic by tonight. Maximum sustained winds have decreased to near 70 mph (110 km/h) with higher gusts. Additional weakening is expected, and Zeta should decay into a non-tropical gale-force low later today. The low should become absorbed by a frontal system over the western Atlantic on Friday. Tropical-storm-force winds extend outward up to 150 miles (240 km). An observation in Wetumpka, Alabama, recently reported sustained winds of 44 mph (71 km/h). The estimated minimum central pressure based on surface observations is 985 mb (29.09 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: Along the northern Gulf Coast, 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... MS/AL to AL/FL border including Mobile Bay...3-5 ft Mouth of the Atchafalaya River to AL boarder including Lake Maurepas, Lake Pontchartrain, and Lake Borgne ...1-3 ft AL/FL Boarder to Yankeetown FL including Pensacola Bay, 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 destructive 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. WIND: Tropical storm conditions are expected to continue within the warning area near the northern Gulf Coast during the next few hours. Damaging winds, especially in gusts, are spreading well inland across portions of central and northern Alabama, and northern Georgia, and these winds will shift into the Carolinas and southeastern Virginia later today. Wind gusts could be especially severe across the southern Appalachian Mountains. RAINFALL: Areas of heavy rainfall, both in advance of Zeta and along the track of Zeta, will impact areas from the central Gulf Coast to the Mid-Mississippi and Ohio Valleys, and east into the southern to central Appalachians and Mid-Atlantic today. 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. TORNADOES: A few tornadoes are possible over parts of southern Alabama and the western Panhandle of Florida during the next few hours. An isolated tornado or two is possible later today across much of the Carolinas and southern Virginia. NEXT ADVISORY ------------- Next complete advisory at 400 AM CDT. $$ Forecaster Cangialosi

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Hurricane Zeta Public Advisory Number 18

2020-10-29 03:56:42| National Hurricane Center (Atlantic)

Issued at 1000 PM CDT Wed Oct 28 2020 423 WTNT33 KNHC 290256 TCPAT3 BULLETIN Hurricane Zeta Advisory Number 18 NWS National Hurricane Center Miami FL AL282020 1000 PM CDT Wed Oct 28 2020 ...ZETA MOVING RAPIDLY THROUGH MISSISSIPPI AND ALABAMA WITH DANGEROUS STORM SURGE, STRONG GUSTY WINDS AND HEAVY RAIN... SUMMARY OF 1000 PM CDT...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...31.5N 88.7W ABOUT 45 MI...70 KM NE OF HATTIESBURG MISSISSIPPI MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H PRESENT MOVEMENT...NE OR 40 DEGREES AT 31 MPH...50 KM/H MINIMUM CENTRAL PRESSURE...979 MB...28.91 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Hurricane and Storm Surge Warnings have been discontinued for all of Louisiana, including Lake Borgne and Lake Pontchartrain. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Storm Surge Warning is in effect for... * Mouth of the Pearl River to Navarre Florida * Pensacola Bay and Mobile Bay A Hurricane Warning is in effect for... * Mouth of the Pearl River to the Mississippi/Alabama border A Tropical Storm Warning is in effect for... * Mississippi/Alabama border to Walton/Bay County Line Florida A Storm Surge Warning means there is a danger of life-threatening inundation, from rising water moving inland from the coastline in the indicated locations. For a depiction of areas at risk, please see the National Weather Service Storm Surge Watch/Warning Graphic, available at hurricanes.gov. This is a life-threatening situation. Persons located within these areas should take all necessary actions to protect life and property from rising water and the potential for other dangerous conditions. Promptly follow evacuation and other instructions from local officials. A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area. For storm information specific to your area, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. DISCUSSION AND OUTLOOK ---------------------- At 1000 PM CDT (0300 UTC), the center of Hurricane Zeta was located near latitude 31.5 North, longitude 88.7 West. Zeta is moving toward the northeast near 31 mph (50 km/h). An even faster northeastward motion is expected overnight through Thursday, then a rapid east-northeastward motion is anticipated through Friday. On the forecast track, the center of Zeta will move into southern Alabama soon and then move quickly across the southeastern eastern United States through Thursday before emerging offshore of Mid-Atlantic coast late Thursday. Maximum sustained winds have decreased to near 80 mph (130 km/h) with higher gusts. Further weakening is expected, and Zeta should decay into a tropical storm overnight and into a non-tropical gale-force low Thursday morning. The low should become absorbed by a frontal system over the western Atlantic on Friday. Hurricane-force winds extend outward up to 25 miles (35 km) from the center and tropical-storm-force winds extend outward up to 150 miles (240 km). Mobile Regional Airport recently;y reported sustained winds of 48 mph (78 km/h) and a wind gust of 91 mph (146 km/h). The estimated minimum central pressure is 979 mb (28.91 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: Along the northern Gulf Coast, 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... East of the Mouth of the Pearl River to Dauphin Island AL...4-7 ft Mobile Bay...4-6 ft Dauphin Island AL to AL/FL border...3-5 ft AL/FL border to Navarre FL including Pensacola Bay...2-4 ft Mouth of the Atchafalaya River to the Mouth of the Pearl River...1-3 ft Lake Maurepas, Lake Pontchartrain, and Lake Borgne...1-3 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 destructive 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. WIND: Hurricane or Tropical Storm conditions are expected to continue within the Warning areas near the northern Gulf Coast overnight. Damaging winds, especially in gusts, will spread well inland across portions of southeastern Mississippi, Alabama, and northern Georgia this evening through early Thursday morning, and into the Carolinas and southeastern Virginia on Thursday. Wind gusts could be especially severe across the southern Appalachian Mountains on Thursday. RAINFALL: Areas of heavy rainfall, both in advance of Zeta and along the track of Zeta, will impact areas from the central Gulf Coast to the Mid-Mississippi and Ohio Valleys, and east into the southern to central Appalachians and Mid-Atlantic through 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. TORNADOES: A few tornadoes are possible overnight over parts of southern Alabama and the western Panhandle of Florida. An isolated tornado or two is possible tomorrow across much of the Carolinas and southern Virginia. NEXT ADVISORY ------------- Next intermediate advisory at 100 AM CDT. Next complete advisory at 400 AM CDT. $$ Forecaster Blake

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Hurricane Zeta Public Advisory Number 17A

2020-10-29 00:57:06| National Hurricane Center (Atlantic)

Issued at 700 PM CDT Wed Oct 28 2020 000 WTNT33 KNHC 282356 TCPAT3 BULLETIN Hurricane Zeta Intermediate Advisory Number 17A NWS National Hurricane Center Miami FL AL282020 700 PM CDT Wed Oct 28 2020 ...ZETA BATTERING SOUTHEASTERN LOUISIANA AND SOUTHERN MISSISSIPPI WITH LIFE-THREATENING STORM SURGE, HIGH WINDS AND HEAVY RAIN... SUMMARY OF 700 PM CDT...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...30.2N 89.9W ABOUT 10 MI...15 KM SW OF SLIDELL LOUISIANA MAXIMUM SUSTAINED WINDS...100 MPH...155 KM/H PRESENT MOVEMENT...NNE OR 25 DEGREES AT 25 MPH...41 KM/H MINIMUM CENTRAL PRESSURE...972 MB...28.71 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Storm Surge Warning is in effect for... * Mouth of the Atchafalaya River to Navarre Florida * Lake Borgne, Lake Pontchartrain, Pensacola Bay and Mobile Bay A Hurricane Warning is in effect for... * Morgan City Louisiana to the Mississippi/Alabama border * Lake Pontchartrain, Lake Maurepas, and Metropolitan New Orleans A Tropical Storm Warning is in effect for... * Mississippi/Alabama border to Walton/Bay County Line Florida A Storm Surge Warning means there is a danger of life-threatening inundation, from rising water moving inland from the coastline in the indicated locations. For a depiction of areas at risk, please see the National Weather Service Storm Surge Watch/Warning Graphic, available at hurricanes.gov. This is a life-threatening situation. Persons located within these areas should take all necessary actions to protect life and property from rising water and the potential for other dangerous conditions. Promptly follow evacuation and other instructions from local officials. A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. 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. For storm information specific to your area, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. DISCUSSION AND OUTLOOK ---------------------- At 700 PM CDT (0000 UTC), the center of Hurricane Zeta was located near latitude 30.2 North, longitude 89.9 West. Zeta is moving toward the north-northeast near 25 mph (41 km/h) A faster north- northeastward motion is expected through tonight followed by an even faster northeastward motion on Thursday and an east-northeastward motion early Friday. On the forecast track, the center of Zeta will move from southeastern Louisiana into southeastern Mississippi during the next hour or two, and then move across the southeastern and eastern United States later tonight and on Thursday. Radar and surface data indicate that maximum sustained winds have decreased to near 100 mph (155 km/h) with higher gusts. Weakening will continue to occur while Zeta moves over the southeastern United States on Thursday. Hurricane-force winds extend outward up to 35 miles (55 km) from the center and tropical-storm-force winds extend outward up to 150 miles (240 km). Shell Beach Louisiana recently reported sustained winds of 81 mph (130 km/h) with a gust to 101 mph (163 km/h). The estimated minimum central pressure is 972 mb (28.71 inches). A Weatherflow station at New Orleans Lakefront Airport recently reported a minimum central pressure of 973 mb (28.74 mb). 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: Along the northern Gulf Coast, 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... Mouth of the Pearl River to MS/AL border...7-11 ft MS/AL border to Dauphin Island AL...6-9 ft Mouth of the Mississippi River to the Mouth of the Pearl River including Lake Borgne...5-7 ft Port Fourchon LA to the Mouth of the Mississippi River...4-7 ft Mobile Bay...4-6 ft Lake Pontchartrain...4-6 ft Dauphin Island AL to AL/FL border...3-5 ft Mouth of the Atchafalaya River to Port Fourchon LA...2-4 ft AL/FL border to Navarre FL including Pensacola Bay...2-4 ft Intracoastal City LA to the Mouth of the Atchafalaya River including Vermilion Bay...1-3 ft Lake Maurepas...1-3 ft Navarre FL to Yankeetown FL including Choctawhatchee Bay and Saint Andrew Bay...1-3 ft Overtopping of local levees outside of the Hurricane and Storm Damage Risk Reduction System is possible where local inundation values may be higher than those shown above. 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 destructive 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. WIND: Hurricane or Tropical Storm conditions are expected within the Warning area on the northern Gulf Coast through tonight. Tropical storm conditions are also likely beginning within the Tropical Storm Warning area on the northern Gulf Coast in a few hours. Damaging winds, especially in gusts, will spread well inland across portions of southeastern Mississippi, Alabama, and northern Georgia this evening through early Thursday morning, and into the Carolinas and southeastern Virginia on Thursday. Wind gusts could be especially severe across the southern Appalachian Mountains on Thursday. RAINFALL: Areas of heavy rainfall, both in advance of Zeta and along the track of Zeta, will impact areas from the central Gulf Coast to the Mid-Mississippi and Ohio Valleys, and eastward into the southern to central Appalachians and Mid-Atlantic today through 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. TORNADOES: A few tornadoes are expected this afternoon through tonight over southeastern parts of Louisiana and Mississippi, southern Alabama, and the western Panhandle of Florida. NEXT ADVISORY ------------- Next complete advisory at 1000 PM CDT. $$ Forecaster Blake

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Hurricane Zeta Public Advisory Number 17

2020-10-28 22:00:05| National Hurricane Center (Atlantic)

Issued at 400 PM CDT Wed Oct 28 2020 000 WTNT33 KNHC 282059 TCPAT3 BULLETIN Hurricane Zeta Advisory Number 17 NWS National Hurricane Center Miami FL AL282020 400 PM CDT Wed Oct 28 2020 ...ZETA MAKING LANDFALL IN SOUTHEASTERN LOUISIANA... SUMMARY OF 400 PM CDT...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...29.2N 90.6W ABOUT 65 MI...100 KM SSW OF NEW ORLEANS LOUISIANA MAXIMUM SUSTAINED WINDS...110 MPH...175 KM/H PRESENT MOVEMENT...NNE OR 25 DEGREES AT 24 MPH...39 KM/H MINIMUM CENTRAL PRESSURE...970 MB...28.65 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Storm Surge Warning is in effect for... * Mouth of the Atchafalaya River to Navarre Florida * Lake Borgne, Lake Pontchartrain, Pensacola Bay and Mobile Bay A Hurricane Warning is in effect for... * Morgan City Louisiana to the Mississippi/Alabama border * Lake Pontchartrain, Lake Maurepas, and Metropolitan New Orleans A Tropical Storm Warning is in effect for... * Mississippi/Alabama border to Walton/Bay County Line Florida A Storm Surge Warning means there is a danger of life-threatening inundation, from rising water moving inland from the coastline in the indicated locations. For a depiction of areas at risk, please see the National Weather Service Storm Surge Watch/Warning Graphic, available at hurricanes.gov. This is a life-threatening situation. Persons located within these areas should take all necessary actions to protect life and property from rising water and the potential for other dangerous conditions. Promptly follow evacuation and other instructions from local officials. A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. 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. For storm information specific to your area, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. DISCUSSION AND OUTLOOK ---------------------- Observations from an Air Force Reserve Hurricane Hunter aircraft indicate that Zeta is making landfall near Cocodrie, Louisiana. At 400 PM CDT (2100 UTC), the center of Hurricane Zeta was located near latitude 29.2 North, longitude 90.6 West. Zeta is moving toward the north-northeast near 24 mph (39 km/h) A faster north- northeastward motion is expected through tonight followed by an even faster northeastward motion on Thursday and an east-northeastward motion early Friday. On the forecast track, the center of Zeta will make a second landfall along the Mississippi coast this evening, and then move across the southeastern and eastern United States on Thursday. Maximum sustained winds are near 110 mph (175 km/h) with higher gusts. Weakening will occur while Zeta moves over the southeastern United States on Thursday. Hurricane-force winds extend outward up to 35 miles (55 km) from the center and tropical-storm-force winds extend outward up to 150 miles (240 km). The estimated minimum central pressure is 970 mb (28.65 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: Along the northern Gulf Coast, 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... Mouth of the Pearl River to MS/AL border...7-11 ft MS/AL border to Dauphin Island AL...6-9 ft Port Fourchon LA to the Mouth of the Mississippi River...6-9 ft Mouth of the Mississippi River to the Mouth of the Pearl River including Lake Borgne...5-7 ft Mouth of the Atchafalaya River to Port Fourchon LA...4-6 ft Mobile Bay...4-6 ft Lake Pontchartrain...4-6 ft Dauphin Island AL to AL/FL border...3-5 ft AL/FL border to Navarre FL including Pensacola Bay...2-4 ft Intracoastal City LA to the Mouth of the Atchafalaya River including Vermilion Bay...1-3 ft Lake Maurepas...1-3 ft Navarre FL to Yankeetown FL including Choctawhatchee Bay and Saint Andrew Bay...1-3 ft Overtopping of local levees outside of the Hurricane and Storm Damage Risk Reduction System is possible where local inundation values may be higher than those shown above. 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 destructive 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. WIND: Hurricane or Tropical Storm conditions are expected within the Warning area on the northern Gulf Coast later this afternoon, with tropical storm conditions already occurring. Tropical storm conditions are also likely beginning within the Tropical Storm Warning area on the northern Gulf Coast. Damaging winds, especially in gusts, will spread well inland across portions of southeastern Mississippi, Alabama, and northern Georgia this evening through early Thursday morning, and into the Carolinas and southeastern Virginia on Thursday. Wind gusts could be especially severe across the southern Appalachian Mountains on Thursday. RAINFALL: Areas of heavy rainfall, both in advance of Zeta and along the track of Zeta, will impact areas from the central Gulf Coast to the Mid-Mississippi and Ohio Valleys, and eastward into the southern to central Appalachians and Mid-Atlantic today through 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. TORNADOES: A few tornadoes are expected this afternoon through tonight over southeastern parts of Louisiana and Mississippi, southern Alabama, and the western Panhandle of Florida. NEXT ADVISORY ------------- Next intermediate advisory at 700 PM CDT. Next complete advisory at 1000 PM CDT. $$ Forecaster Pasch

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