921  
WTPZ45 KNHC 012038  
TCDEP5  
 
POST-TROPICAL CYCLONE IRWIN DISCUSSION NUMBER 42  
NWS NATIONAL HURRICANE CENTER MIAMI FL EP102017  
200 PM PDT TUE AUG 01 2017  
 
IRWIN CONSISTS OF A TIGHT SWIRL OF LOW CLOUDS DEVOID OF DEEP  
CONVECTION. ON THIS BASIS, THE SYSTEM HAS BEEN DECLARED A REMNANT  
LOW IN THIS ADVISORY. DATA FROM A RECENT ASCAT INDICATE THAT  
WIND ARE STILL 30 KT TO THE NORTH AND EAST OF THE CENTER. THE LOW  
IS FORECAST TO MOVE TOWARD THE NORTHWEST ABOUT 7 KT TOWARD COOLER  
WATERS UNTIL DISSIPATION IS A DAY OR SO.  
 
THIS WILL BE THE LAST ADVISORY ISSUED BY NHC ON THIS SYSTEM.  
 
FORECAST POSITIONS AND MAX WINDS  
 
INIT 01/2100Z 26.6N 129.7W 30 KT 35 MPH...POST-TROP/REMNT LOW  
12H 02/0600Z 27.5N 130.5W 25 KT 30 MPH...POST-TROP/REMNT LOW  
24H 02/1800Z 28.5N 131.5W 25 KT 30 MPH...POST-TROP/REMNT LOW  
36H 03/0600Z 29.0N 132.5W 20 KT 25 MPH...POST-TROP/REMNT LOW  
48H 03/1800Z...DISSIPATED  
 

 
FORECASTER AVILA  
 
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