Hurricane Iona Forecast Advisory Number 12
Issued at 0300 UTC WED JUL 30 2025
134 WTPA21 PHFO 300244 TCMCP1 HURRICANE IONA FORECAST/ADVISORY NUMBER 12 NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI CP012025 ISSUED BY NWS NATIONAL HURRICANE CENTER MIAMI FL 0300 UTC WED JUL 30 2025 HURRICANE CENTER LOCATED NEAR 11.0N 157.1W AT 30/0300Z POSITION ACCURATE WITHIN 30 NM PRESENT MOVEMENT TOWARD THE WEST OR 270 DEGREES AT 15 KT ESTIMATED MINIMUM CENTRAL PRESSURE 964 MB MAX SUSTAINED WINDS 100 KT WITH GUSTS TO 120 KT. 64 KT....... 20NE 15SE 10SW 20NW. 50 KT....... 40NE 35SE 25SW 35NW. 34 KT....... 80NE 60SE 50SW 70NW. 4 M SEAS....180NE 80SE 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 11.0N 157.1W AT 30/0300Z AT 30/0000Z CENTER WAS LOCATED NEAR 11.0N 156.5W FORECAST VALID 30/1200Z 11.1N 159.5W MAX WIND 85 KT...GUSTS 105 KT. 64 KT... 20NE 15SE 10SW 20NW. 50 KT... 35NE 30SE 25SW 30NW. 34 KT... 70NE 50SE 40SW 60NW. FORECAST VALID 31/0000Z 11.3N 162.6W MAX WIND 70 KT...GUSTS 85 KT. 64 KT... 15NE 10SE 0SW 10NW. 50 KT... 30NE 25SE 15SW 30NW. 34 KT... 70NE 50SE 30SW 60NW. FORECAST VALID 31/1200Z 11.6N 166.0W MAX WIND 65 KT...GUSTS 80 KT. 64 KT... 15NE 0SE 0SW 10NW. 50 KT... 25NE 15SE 10SW 20NW. 34 KT... 70NE 50SE 30SW 60NW. FORECAST VALID 01/0000Z 12.1N 169.5W MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 25NE 10SE 10SW 20NW. 34 KT... 70NE 50SE 30SW 50NW. FORECAST VALID 01/1200Z 12.8N 172.7W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 25NE 0SE 0SW 25NW. 34 KT... 70NE 50SE 30SW 50NW. FORECAST VALID 02/0000Z 13.7N 175.7W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 25NE 0SE 0SW 25NW. 34 KT... 70NE 50SE 30SW 60NW. 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 03/0000Z 15.9N 179.2E MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 25NE 0SE 0SW 25NW. 34 KT... 70NE 50SE 30SW 60NW. OUTLOOK VALID 04/0000Z 17.9N 174.1E MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 25NE 0SE 0SW 25NW. 34 KT... 70NE 50SE 30SW 60NW. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 11.0N 157.1W NEXT ADVISORY AT 30/0900Z $$ FORECASTER JELSEMA (CPHC)
