100  
FKNT25 KNHC 211451  
TCANT5  
 
HURRICANE TAMMY ICAO ADVISORY NUMBER 13  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL202023  
1500 UTC SAT OCT 21 2023  
 
TC ADVISORY  
DTG: 20231021/1500Z  
TCAC: KNHC  
TC: TAMMY  
ADVISORY NR: 2023/013  
OBS PSN: 21/1500Z N1600 W06042  
MOV: NW 07KT  
INTST CHANGE: INTSF  
C: 0988HPA  
MAX WIND: 075KT  
FCST PSN +3 HR: 21/1800Z N1619 W06100  
FCST MAX WIND +3 HR: 075KT  
FCST PSN +9 HR: 22/0000Z N1700 W06136  
FCST MAX WIND +9 HR: 075KT  
FCST PSN +15 HR: 22/0600Z N1748 W06203  
FCST MAX WIND +15 HR: 080KT  
FCST PSN +21 HR: 22/1200Z N1836 W06230  
FCST MAX WIND +21 HR: 080KT  
FCST PSN +27 HR: 22/1800Z N1918 W06254  
FCST MAX WIND +27 HR: 080KT  
RMK: THE FORECAST POSITION INFORMATION IN  
THIS PRODUCT IS INTERPOLATED FROM  
OFFICIAL FORECAST DATA VALID AT 0000...  
0600...1200...AND 1800Z.  
NXT MSG: 20231021/2100Z  
 

 
 
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