778
WTPA21 PHFO 312031
TCMCP1
TROPICAL STORM IONA FORECAST/ADVISORY NUMBER 19
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI CP012025
ISSUED BY NWS NATIONAL HURRICANE CENTER MIAMI FL
2100 UTC THU JUL 31 2025
TROPICAL STORM CENTER LOCATED NEAR 13.2N 170.7W AT 31/2100Z
POSITION ACCURATE WITHIN 30 NM
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 285 DEGREES AT 19 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 1002 MB
MAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT.
34 KT....... 40NE 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 13.2N 170.7W AT 31/2100Z
AT 31/1800Z CENTER WAS LOCATED NEAR 13.0N 169.8W
FORECAST VALID 01/0600Z 13.8N 173.4W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 40NE 0SE 0SW 40NW.
FORECAST VALID 01/1800Z 14.6N 176.6W
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 30NE 0SE 0SW 30NW.
FORECAST VALID 02/0600Z 15.4N 179.4W
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 30NE 0SE 0SW 30NW.
FORECAST VALID 02/1800Z 16.4N 178.0E
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 30NE 0SE 0SW 30NW.
FORECAST VALID 03/0600Z 17.4N 175.8E
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 40NE 0SE 0SW 30NW.
FORECAST VALID 03/1800Z 18.4N 173.4E
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 40NE 0SE 0SW 30NW.
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 04/1800Z 20.8N 169.1E
MAX WIND 30 KT...GUSTS 40 KT.
OUTLOOK VALID 05/1800Z 23.4N 165.3E...POST-TROP/REMNT LOW
MAX WIND 30 KT...GUSTS 40 KT.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 13.2N 170.7W
NEXT ADVISORY AT 01/0300Z
FORECASTER BEVEN
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