075  
FKNT25 KNHC 221435  
TCANT5  
 
HURRICANE TAMMY ICAO ADVISORY NUMBER 17  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL202023  
1500 UTC SUN OCT 22 2023  
 
TC ADVISORY  
DTG: 20231022/1500Z  
TCAC: KNHC  
TC: TAMMY  
ADVISORY NR: 2023/017  
OBS PSN: 22/1500Z N1906 W06300  
MOV: NW 08KT  
INTST CHANGE: WKN  
C: 0992HPA  
MAX WIND: 070KT  
FCST PSN +3 HR: 22/1800Z N1926 W06312  
FCST MAX WIND +3 HR: 070KT  
FCST PSN +9 HR: 23/0000Z N2006 W06336  
FCST MAX WIND +9 HR: 070KT  
FCST PSN +15 HR: 23/0600Z N2045 W06345  
FCST MAX WIND +15 HR: 075KT  
FCST PSN +21 HR: 23/1200Z N2124 W06354  
FCST MAX WIND +21 HR: 075KT  
FCST PSN +27 HR: 23/1800Z N2151 W06342  
FCST MAX WIND +27 HR: 075KT  
RMK: THE FORECAST POSITION INFORMATION IN  
THIS PRODUCT IS INTERPOLATED FROM  
OFFICIAL FORECAST DATA VALID AT 0000...  
0600...1200...AND 1800Z.  
NXT MSG: 20231022/2100Z  
 

 
 
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