Hurricane IONA

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HURRICANE IONA FORECAST/ADVISORY NUMBER   9
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI   CP012025
ISSUED BY NWS NATIONAL HURRICANE CENTER MIAMI FL
0900 UTC TUE JUL 29 2025
 
HURRICANE CENTER LOCATED NEAR 10.8N 153.2W AT 29/0900Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE WEST OR 270 DEGREES AT  11 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  964 MB
MAX SUSTAINED WINDS 100 KT WITH GUSTS TO 120 KT.
64 KT....... 15NE  15SE   0SW  15NW.
50 KT....... 30NE  25SE  25SW  30NW.
34 KT....... 60NE  50SE  50SW  60NW.
4 M SEAS....120NE  80SE  70SW 100NW.
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 10.8N 153.2W AT 29/0900Z
AT 29/0600Z CENTER WAS LOCATED NEAR 10.8N 152.6W
 
FORECAST VALID 29/1800Z 10.8N 155.0W
MAX WIND 115 KT...GUSTS 140 KT.
64 KT... 20NE  20SE  10SW  20NW.
50 KT... 35NE  30SE  20SW  35NW.
34 KT... 70NE  50SE  40SW  60NW.
 
FORECAST VALID 30/0600Z 10.8N 157.7W
MAX WIND 110 KT...GUSTS 135 KT.
64 KT... 20NE  20SE  10SW  20NW.
50 KT... 35NE  30SE  20SW  30NW.
34 KT... 70NE  50SE  40SW  60NW.
 
FORECAST VALID 30/1800Z 11.0N 161.0W
MAX WIND  95 KT...GUSTS 115 KT.
64 KT... 20NE  20SE  10SW  20NW.
50 KT... 35NE  30SE  20SW  30NW.
34 KT... 70NE  50SE  40SW  60NW.
 
FORECAST VALID 31/0600Z 11.3N 164.7W
MAX WIND  80 KT...GUSTS 100 KT.
64 KT... 15NE   0SE   0SW  15NW.
50 KT... 30NE  20SE  15SW  30NW.
34 KT... 70NE  50SE  40SW  60NW.
 
FORECAST VALID 31/1800Z 11.8N 168.4W
MAX WIND  70 KT...GUSTS  85 KT.
64 KT... 10NE   0SE   0SW  10NW.
50 KT... 25NE  15SE  10SW  20NW.
34 KT... 70NE  60SE  40SW  60NW.
 
FORECAST VALID 01/0600Z 12.6N 172.2W
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 25NE  15SE  10SW  25NW.
34 KT... 80NE  60SE  30SW  70NW.
 
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 02/0600Z 14.3N 178.6W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 20NE  10SE   0SW  20NW.
34 KT... 90NE  50SE  30SW  60NW.
 
OUTLOOK VALID 03/0600Z 16.5N 176.1E
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 60NE  20SE  20SW  40NW.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 10.8N 153.2W
 
NEXT ADVISORY AT 29/1500Z
 
$$
FORECASTER JELSEMA (CPHC)
 
 
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