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Summary for Post-Tropical Cyclone MATTHEW (AT4/AL142016)

2016-10-09 22:40:55| National Hurricane Center (Atlantic)

...WINDS DIMINISHING ALONG THE NORTH CAROLINA COAST BUT WATER LEVELS WILL REMAIN ELEVATED OVERNIGHT... ...THIS IS THE LAST NHC ADVISORY... As of 5:00 PM EDT Sun Oct 9 the center of MATTHEW was located near 35.4, -72.0 with movement ENE at 15 mph. The minimum central pressure was 988 mb with maximum sustained winds of about 75 mph.

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Post-Tropical Cyclone MATTHEW Public Advisory Number 47

2016-10-09 22:40:55| National Hurricane Center (Atlantic)

Issued at 500 PM EDT SUN OCT 09 2016 000 WTNT34 KNHC 092040 TCPAT4 BULLETIN POST-TROPICAL CYCLONE MATTHEW ADVISORY NUMBER 47 NWS NATIONAL HURRICANE CENTER MIAMI FL AL142016 500 PM EDT SUN OCT 09 2016 ...WINDS DIMINISHING ALONG THE NORTH CAROLINA COAST BUT WATER LEVELS WILL REMAIN ELEVATED OVERNIGHT... ...THIS IS THE LAST NHC ADVISORY... SUMMARY OF 500 PM EDT...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...35.4N 72.0W ABOUT 200 MI...320 KM E OF CAPE HATTERAS NORTH CAROLINA MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H PRESENT MOVEMENT...ENE OR 75 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...988 MB...29.18 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: All Tropical Storm Warnings have been discontinued. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: None. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 500 PM EDT (2100 UTC), the center of Post-Tropical Cyclone Matthew was located near latitude 35.4 North, longitude 72.0 West. The post-tropical cyclone is moving toward the east-northeast near 15 mph (24 km/h), and this general motion is expected to continue tonight. Maximum sustained winds are near 75 mph (120 km/h) with higher gusts. Some weakening is forecast tonight, and the low is expected to be absorbed within a frontal boundary on Monday. Hurricane-force winds extend outward up to 90 miles (150 km), primarily to the southwest and west of the center, and tropical-storm-force winds extend outward up to 240 miles (390 km). The estimated minimum central pressure based on data from a NASA Global Hawk aircraft is 988 mb (29.18 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Wind gusts to tropical storm force will continue over portions of the Outer Banks tonight. STORM SURGE: Dangerously high water levels over portions of the Outer Banks will gradually subside overnight and early Monday. Consult products issued by your local National Weather Service forecast office for additional information. RAINFALL: Life-threatening flooding will continue over portions of eastern North Carolina that have received record rains from Matthew. Consult products issued by your local National Weather Service forecast office for additional information and warnings. SURF: Swells generated by Matthew will continue to affect much of the southeastern and Mid-Atlantic coasts of the United States during the next couple of days. These swells will likely cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- This is the last public advisory issued by the National Hurricane Center on Matthew. Additional information on this system can be found in High Seas Forecasts issued by the National Weather Service, under AWIPS header NFDHSFAT1, WMO header FZNT01 KWBC, and available on the Web at http://www.opc.ncep.noaa.gov/shtml/NFDHSFAT1.shtml. $$ Forecaster Brown

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Summary for Post-Tropical Cyclone MATTHEW (AT4/AL142016)

2016-10-09 19:54:14| National Hurricane Center (Atlantic)

...STORM SURGE AND INLAND FLOODING CONTINUES OVER EASTERN NORTH CAROLINA... As of 2:00 PM EDT Sun Oct 9 the center of MATTHEW was located near 35.2, -72.9 with movement E at 15 mph. The minimum central pressure was 988 mb with maximum sustained winds of about 75 mph.

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Post-Tropical Cyclone MATTHEW Public Advisory Number 46A

2016-10-09 19:54:14| National Hurricane Center (Atlantic)

Issued at 200 PM EDT SUN OCT 09 2016 000 WTNT34 KNHC 091754 TCPAT4 BULLETIN POST-TROPICAL CYCLONE MATTHEW INTERMEDIATE ADVISORY NUMBER 46A NWS NATIONAL HURRICANE CENTER MIAMI FL AL142016 200 PM EDT SUN OCT 09 2016 ...STORM SURGE AND INLAND FLOODING CONTINUES OVER EASTERN NORTH CAROLINA... SUMMARY OF 200 PM EDT...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...35.2N 72.9W ABOUT 150 MI...240 KM E OF CAPE HATTERAS NORTH CAROLINA MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H PRESENT MOVEMENT...E OR 80 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...988 MB...29.18 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Tropical Storm Warning has been discontinued south of Surf City. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Surf City to Duck * Pamlico and Albemarle Sounds 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 48-HOUR OUTLOOK ------------------------------ At 200 PM EDT (1800 UTC), the center of Post-Tropical Cyclone Matthew was located near latitude 35.2 North, longitude 72.9 West. The post-tropical cyclone is moving toward the east near 15 mph (24 km/h), and this general motion is expected to continue during the next day or so. On the forecast track, the center of Matthew will move farther offshore of the coast of the North Carolina Outer Banks this afternoon and tonight. Maximum sustained winds are near 75 mph (120 km/h) with higher gusts. Gradual weakening is forecast during the next day or so, and the low is expected to be absorbed within a frontal boundary Monday night. Hurricane-force winds extend outward up to 70 miles (110 km), mainly to the southwest of the center, and tropical-storm-force winds extend outward up to 240 miles (390 km). The estimated minimum central pressure is 988 mb (29.18 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm conditions are expected to continue over the warning area this afternoon, and then gradually diminish by this evening. STORM SURGE: There is a danger of life-threatening inundation through this afternoon along the coast from Cape Lookout to Duck, North Carolina, including portions of the Pamlico and Albemarle Sounds. Water levels should subside by this evening. For a depiction of areas at risk, please see the Prototype National Weather Service Storm Surge Watch/Warning Graphic. For information specific to your area, please see products issued by your local National Weather Service forecast office. The Prototype Storm Surge Watch/Warning Graphic is a depiction of areas that would qualify for inclusion under a storm surge watch or warning currently under development by the National Weather Service and planned for operational use in 2017. The Prototype Graphic is available at hurricanes.gov. RAINFALL: Life-threatening flooding will continue over portions of eastern North Carolina that have received record rains from Matthew. Consult products issued by your local National Weather Service forecast office for additional information and warnings. SURF: Swells generated by Matthew will continue to affect much of the southeastern and Mid-Atlantic coasts of the United States during the next couple of days. These swells will likely cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 500 PM EDT. $$ Forecaster Brown

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Post-Tropical Cyclone MATTHEW Forecast Discussion Number 46

2016-10-09 16:56:42| National Hurricane Center (Atlantic)

Issued at 1100 AM EDT SUN OCT 09 2016 000 WTNT44 KNHC 091456 TCDAT4 POST-TROPICAL CYCLONE MATTHEW DISCUSSION NUMBER 46 NWS NATIONAL HURRICANE CENTER MIAMI FL AL142016 1100 AM EDT SUN OCT 09 2016 Satellite data and surface observations indicate that a cold front has wrapped around the southwestern portion of Matthew's circulation and the post-tropical cyclone is now analyzed as an extratropical low. Despite the change in the cyclone's structure over the past 24 hours, Matthew continues to produce an area of very strong winds to the southwest and west of the center. Sustained winds of 55 to 60 kt with gusts above hurricane force were reported at several coastal marine observing stations near the Outer Banks of North Carolina this morning, and a recent dropsonde from the Global Hawk unmanned aircraft reported surface winds of 58 kt. Based on these data, the initial intensity remains 65 kt. The global models indicate that the post-tropical cyclone will gradually weaken during the next 24 to 36 hours, and be absorbed by a frontal boundary in about 48 hours. Matthew is moving eastward at about 13 kt. The low should continue moving eastward within the mid-latitude westerly flow during the next day or so. The NHC forecast track is close to a blend of the ECMWF, GFS, and UKMET models, and is similar to the previous advisory. Strong winds in the Tidewater Region of Virginia are being handled by non-tropical wind warnings. KEY MESSAGES: 1. Tropical-storm-force winds will continue over the North Carolina Outer Banks this afternoon, with gusts to near hurricane force possible during the next hour or two. Storm surge flooding continues over portions of the Outer Banks. Please see the Prototype Storm Surge Watch/Warning Graphic for a depiction of the areas at risk. 2. Although Matthew has become a post-tropical cyclone, NHC will continue to issue its full suite of advisory and warning products as long as the system remains a significant threat to land areas. FORECAST POSITIONS AND MAX WINDS INIT 09/1500Z 35.2N 73.7W 65 KT 75 MPH...POST-TROP/EXTRATROP 12H 10/0000Z 35.3N 71.2W 60 KT 70 MPH...POST-TROP/EXTRATROP 24H 10/1200Z 35.7N 68.0W 50 KT 60 MPH...POST-TROP/EXTRATROP 36H 11/0000Z 37.0N 64.0W 35 KT 40 MPH...POST-TROP/EXTRATROP 48H 11/1200Z...ABSORBED $$ Forecaster Brown

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