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BULLETIN
Hurricane Iona Advisory Number   6
NWS Central Pacific Hurricane Center Honolulu HI   CP012025
Issued by NWS National Hurricane Center Miami FL
500 AM HST Mon Jul 28 2025
 
...IONA QUICKLY STRENGTHENS INTO A HURRICANE...
 
 
SUMMARY OF 500 AM HST...1500 UTC...INFORMATION
----------------------------------------------
LOCATION...10.7N 150.1W
ABOUT 895 MI...1440 KM SE OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H
PRESENT MOVEMENT...W OR 270 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...994 MB...29.36 INCHES
 
 
WATCHES AND WARNINGS
--------------------
There are no coastal watches or warnings in effect.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 500 AM HST (1500 UTC), the center of Hurricane Iona was located
near latitude 10.7 North, longitude 150.1 West. Iona is moving
toward the west near 10 mph (17 km/h). This motion is expected to
continue with a gradual increase in forward speed during the next 
couple of days.
 
Maximum sustained winds have increased to near 75 mph (120 km/h) 
with higher gusts.  Additional strengthening is forecast during the 
day or two.  Gradual weakening is expected to begin around 
midweek. 
 
Hurricane-force winds extend outward up to 15 miles (30 km) from the
center and tropical-storm-force winds extend outward up to 70 miles
(110 km).
 
The estimated minimum central pressure is 994 mb (29.36 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
None.
 
 
NEXT ADVISORY
-------------
Next complete advisory at 1100 AM HST.
 
$$
Forecaster Brown
 
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