804
FKPA21 PHFO 310842
TCAPA1
TROPICAL STORM IONA ICAO ADVISORY NUMBER 17
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI CP012025
ISSUED BY NWS NATIONAL HURRICANE CENTER MIAMI FL
0900 UTC THU JUL 31 2025
TC ADVISORY
DTG: 20250731/0900Z
TCAC: PHFO
TC: IONA
ADVISORY NR: 2025/017
OBS PSN: 31/0900Z N1218 W16654
MOV: W 20KT
INTST CHANGE: NC
C: 1001HPA
MAX WIND: 045KT
FCST PSN +3 HR: 31/1200Z N1226 W16752
FCST MAX WIND +3 HR: 045KT
FCST PSN +6 HR: 31/1500Z N1233 W16850
FCST MAX WIND +6 HR: 040KT
FCST PSN +9 HR: 31/1800Z N1242 W16948
FCST MAX WIND +9 HR: 040KT
FCST PSN +15 HR: 01/0000Z N1306 W17133
FCST MAX WIND +15 HR: 040KT
FCST PSN +21 HR: 01/0600Z N1330 W17318
FCST MAX WIND +21 HR: 035KT
FCST PSN +27 HR: 01/1200Z N1348 W17500
FCST MAX WIND +27 HR: 035KT
RMK: THE FORECAST POSITION INFORMATION IN
THIS PRODUCT IS INTERPOLATED FROM
OFFICIAL FORECAST DATA VALID AT 0000...
0600...1200...AND 1800Z.
NXT MSG: 20250731/1500Z
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