867 WTPA21 PHFO 311438 TCMCP1 TROPICAL STORM IONA FORECAST/ADVISORY NUMBER 18 NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI CP012025 ISSUED BY NWS NATIONAL HURRICANE CENTER MIAMI FL 1500 UTC THU JUL 31 2025 TROPICAL STORM CENTER LOCATED NEAR 12.7N 168.7W AT 31/1500Z POSITION ACCURATE WITHIN 30 NM PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT 18 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1001 MB MAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT. 34 KT....... 40NE 0SE 0SW 40NW. 4 M SEAS....220NE 100SE 60SW 150NW. 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 12.7N 168.7W AT 31/1500Z AT 31/1200Z CENTER WAS LOCATED NEAR 12.5N 167.8W FORECAST VALID 01/0000Z 13.3N 171.5W MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 40NE 0SE 0SW 40NW. FORECAST VALID 01/1200Z 14.0N 174.9W MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 30NE 0SE 0SW 30NW. FORECAST VALID 02/0000Z 14.7N 178.0W MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 30NE 0SE 0SW 30NW. FORECAST VALID 02/1200Z 15.5N 179.2E MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 30NE 0SE 0SW 30NW. FORECAST VALID 03/0000Z 16.4N 176.5E MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 40NE 0SE 0SW 30NW. FORECAST VALID 03/1200Z 17.2N 174.2E 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 04/1200Z 19.0N 169.7E MAX WIND 30 KT...GUSTS 40 KT. OUTLOOK VALID 05/1200Z 21.4N 165.9E...POST-TROP/REMNT LOW MAX WIND 30 KT...GUSTS 40 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 12.7N 168.7W NEXT ADVISORY AT 31/2100Z $$ FORECASTER BEVEN
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