604  
WTNT44 KNHC 092042  
TCDAT4  
 
POST-TROPICAL CYCLONE MATTHEW DISCUSSION NUMBER 47  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL142016  
500 PM EDT SUN OCT 09 2016  
 
DROPSONDE DATA FROM A NASA GLOBAL HAWK MISSION INTO MATTHEW TODAY  
INDICATE THAT THE POST-TROPICAL CYCLONE HAS NOT WEAKENED. THE  
OBSERVATIONS CONTINUE TO SHOW A BAND OF 60-65 KT WINDS TO THE  
SOUTHWEST AND WEST OF THE CENTER. MATTHEW IS MOVING EAST-  
NORTHEASTWARD AT ABOUT 13 KT, AND AN EAST-NORTHEASTWARD MOTION  
WITHIN THE MID-LATITUDE WESTERLIES SHOULD CONTINUE THROUGH  
TONIGHT. MATTHEW IS FORECAST BY THE GLOBAL MODELS TO WEAKEN AND BE  
ABSORBED WITHIN A FRONTAL BOUNDARY ON MONDAY, AND THE NHC FORECAST  
FOLLOWS SUIT. IT SHOULD BE NOTED THAT A STRONG BAROCLINIC LOW IS  
EXPECTED TO DEVELOP ALONG THE SAME FRONTAL BOUNDARY NEAR NOVA  
SCOTIA ON MONDAY.  
 
WINDS OVER THE OUTER BANKS OF NORTH CAROLINA HAVE GRADUALLY  
DIMINISHED THIS AFTERNOON, AND THE TROPICAL STORM WARNING HAS BEEN  
DISCONTINUED. DANGEROUSLY HIGH WATER LEVELS OVER PORTIONS OF THE  
OUTER BANKS WILL GRADUALLY SUBSIDE OVERNIGHT AND EARLY MONDAY.  
BASED ON THESE TRENDS, THIS WILL BE THE LAST NHC ADVISORY ON  
MATTHEW. FOR ADDITIONAL INFORMATION ON THE ELEVATED WATER LEVELS IN  
THE OUTER BANKS AND THE ONGOING FRESHWATER FLOODING IN EASTERN NORTH  
CAROLINA, SEE PRODUCTS AND WARNINGS ISSUED BY YOUR LOCAL NATIONAL  
WEATHER SERVICE FORECAST OFFICE. ADDITIONAL INFORMATION ON MATTHEW  
CAN ALSO BE FOUND IN HIGH SEAS FORECASTS ISSUED BY THE NATIONAL  
WEATHER SERVICE, UNDER AWIPS HEADER NFDHSFAT1 AND WMO HEADER FZNT01  
KWBC.  
 
FORECAST POSITIONS AND MAX WINDS  
 
INIT 09/2100Z 35.4N 72.0W 65 KT 75 MPH...POST-TROP/EXTRATROP  
12H 10/0600Z 36.4N 69.2W 55 KT 65 MPH...POST-TROP/EXTRATROP  
24H 10/1800Z...ABSORBED BY FRONT  
 

 
FORECASTER BROWN  
 
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