129  
FKPA21 PHFO 012034  
TCAPA1  
 
TROPICAL STORM IONA ICAO ADVISORY NUMBER 23  
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI CP012025  
ISSUED BY NWS NATIONAL HURRICANE CENTER MIAMI FL  
2100 UTC FRI AUG 01 2025  
 
TC ADVISORY  
DTG: 20250801/2100Z  
TCAC: PHFO  
TC: IONA  
ADVISORY NR: 2025/023  
OBS PSN: 01/2100Z N1500 W17736  
MOV: WNW 16KT  
INTST CHANGE: NC  
C: 1006HPA  
MAX WIND: 035KT  
FCST PSN +3 HR: 02/0000Z N1516 W17815  
FCST MAX WIND +3 HR: 035KT  
FCST PSN +6 HR: 02/0300Z N1532 W17856  
FCST MAX WIND +6 HR: 035KT  
FCST PSN +9 HR: 02/0600Z N1548 W17936  
FCST MAX WIND +9 HR: 035KT  
FCST PSN +15 HR: 02/1200Z N1624 E17906  
FCST MAX WIND +15 HR: 035KT  
FCST PSN +21 HR: 02/1800Z N1700 E17748  
FCST MAX WIND +21 HR: 030KT  
FCST PSN +27 HR: 03/0000Z N1736 E17639  
FCST MAX WIND +27 HR: 030KT  
RMK: THE FORECAST POSITION INFORMATION IN  
THIS PRODUCT IS INTERPOLATED FROM  
OFFICIAL FORECAST DATA VALID AT 0000...  
0600...1200...AND 1800Z.  
NXT MSG: 20250802/0300Z  
 

 
 
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