223  
FKNT25 KNHC 210255  
TCANT5  
 
HURRICANE TAMMY ICAO ADVISORY NUMBER 11  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL202023  
0300 UTC SAT OCT 21 2023  
 
TC ADVISORY  
DTG: 20231021/0300Z  
TCAC: KNHC  
TC: TAMMY  
ADVISORY NR: 2023/011  
OBS PSN: 21/0300Z N1442 W06012  
MOV: WNW 08KT  
INTST CHANGE: INTSF  
C: 0992HPA  
MAX WIND: 070KT  
FCST PSN +3 HR: 21/0600Z N1503 W06028  
FCST MAX WIND +3 HR: 070KT  
FCST PSN +9 HR: 21/1200Z N1548 W06100  
FCST MAX WIND +9 HR: 075KT  
FCST PSN +15 HR: 21/1800Z N1633 W06130  
FCST MAX WIND +15 HR: 080KT  
FCST PSN +21 HR: 22/0000Z N1718 W06200  
FCST MAX WIND +21 HR: 080KT  
FCST PSN +27 HR: 22/0600Z N1803 W06230  
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: 20231021/0900Z  
 

 
 
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