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TROPICAL STORM IONA FORECAST/ADVISORY NUMBER  21
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI   CP012025
ISSUED BY NWS NATIONAL HURRICANE CENTER MIAMI FL
0900 UTC FRI AUG 01 2025
 
TROPICAL STORM CENTER LOCATED NEAR 14.2N 174.4W AT 01/0900Z
POSITION ACCURATE WITHIN  30 NM
 
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 285 DEGREES AT  16 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1003 MB
MAX SUSTAINED WINDS  40 KT WITH GUSTS TO  50 KT.
34 KT....... 50NE   0SE   0SW  40NW.
4 M SEAS....220NE 110SE  70SW 140NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT.  RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.
 
REPEAT...CENTER LOCATED NEAR 14.2N 174.4W AT 01/0900Z
AT 01/0600Z CENTER WAS LOCATED NEAR 14.0N 173.6W
 
FORECAST VALID 01/1800Z 14.8N 176.7W
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 50NE   0SE   0SW  40NW.
 
FORECAST VALID 02/0600Z 15.8N 179.6W
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 50NE   0SE   0SW  40NW.
 
FORECAST VALID 02/1800Z 17.0N 177.9E
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 50NE   0SE   0SW  40NW.
 
FORECAST VALID 03/0600Z 18.1N 175.7E
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 50NE   0SE   0SW  40NW.
 
FORECAST VALID 03/1800Z 19.5N 173.6E
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 40NE   0SE   0SW  20NW.
 
FORECAST VALID 04/0600Z 21.3N 171.4E
MAX WIND  30 KT...GUSTS  40 KT.
 
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM
ON DAY 4 AND 200 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY
 
OUTLOOK VALID 05/0600Z...DISSIPATED
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 14.2N 174.4W
 
NEXT ADVISORY AT 01/1500Z
 
$$
FORECASTER GIBBS (CPHC)
 
 
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