Central Pacific Basin Tropical Cyclones

Hurricane Iona Forecast Advisory


000
WTPA21 PHFO 282036
TCMCP1
 
HURRICANE IONA FORECAST/ADVISORY NUMBER   7
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI   CP012025
ISSUED BY NWS NATIONAL HURRICANE CENTER MIAMI FL
2100 UTC MON JUL 28 2025
 
HURRICANE CENTER LOCATED NEAR 10.6N 151.0W AT 28/2100Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE WEST OR 270 DEGREES AT   9 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  993 MB
MAX SUSTAINED WINDS  65 KT WITH GUSTS TO  80 KT.
64 KT....... 15NE  10SE   0SW  15NW.
50 KT....... 30NE  20SE  15SW  30NW.
34 KT....... 60NE  50SE  30SW  60NW.
4 M SEAS.... 60NE   0SE   0SW  60NW.
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 10.6N 151.0W AT 28/2100Z
AT 28/1800Z CENTER WAS LOCATED NEAR 10.6N 150.6W
 
FORECAST VALID 29/0600Z 10.6N 152.6W
MAX WIND  80 KT...GUSTS 100 KT.
64 KT... 15NE  15SE  10SW  15NW.
50 KT... 30NE  30SE  20SW  30NW.
34 KT... 70NE  50SE  40SW  60NW.
 
FORECAST VALID 29/1800Z 10.6N 155.0W
MAX WIND  95 KT...GUSTS 115 KT.
64 KT... 20NE  20SE  10SW  20NW.
50 KT... 30NE  30SE  20SW  30NW.
34 KT... 80NE  60SE  40SW  70NW.
 
FORECAST VALID 30/0600Z 10.7N 157.7W
MAX WIND  90 KT...GUSTS 110 KT.
64 KT... 20NE  20SE  10SW  20NW.
50 KT... 30NE  30SE  20SW  30NW.
34 KT... 80NE  60SE  40SW  70NW.
 
FORECAST VALID 30/1800Z 10.9N 161.0W
MAX WIND  80 KT...GUSTS 100 KT.
64 KT... 20NE  20SE  10SW  20NW.
50 KT... 30NE  30SE  20SW  30NW.
34 KT... 80NE  60SE  40SW  70NW.
 
FORECAST VALID 31/0600Z 11.2N 164.5W
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 20NE  20SE  10SW  20NW.
50 KT... 30NE  30SE  20SW  30NW.
34 KT... 80NE  60SE  40SW  70NW.
 
FORECAST VALID 31/1800Z 11.7N 168.1W
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 30NE  30SE  20SW  30NW.
34 KT... 70NE  60SE  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 01/1800Z 12.9N 175.2W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 60NE  40SE  20SW  50NW.
 
OUTLOOK VALID 02/1800Z 14.7N 178.5E
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 50NE  40SE  20SW  50NW.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 10.6N 151.0W
 
NEXT ADVISORY AT 29/0300Z
 
$$
FORECASTER BROWN
  



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