311  
WTPA31 PHFO 020247  
TCPCP1  
 
BULLETIN  
TROPICAL DEPRESSION IONA ADVISORY NUMBER 24  
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI CP012025  
ISSUED BY NWS NATIONAL HURRICANE CENTER MIAMI FL  
500 PM HST FRI AUG 01 2025  
 
...IONA EXPECTED TO CROSS THE INTERNATIONAL DATELINE IN THE NEXT  
6 HOURS OR SO...  
 
 
SUMMARY OF 500 PM HST...0300 UTC...INFORMATION  
----------------------------------------------  
LOCATION...15.8N 179.5W  
ABOUT 1465 MI...2355 KM W OF HONOLULU HAWAII  
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H  
PRESENT MOVEMENT...WNW OR 295 DEGREES AT 17 MPH...28 KM/H  
MINIMUM CENTRAL PRESSURE...1008 MB...29.77 INCHES  
 
 
WATCHES AND WARNINGS  
--------------------  
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.  
 
 
DISCUSSION AND OUTLOOK  
----------------------  
AT 500 PM HST (0300 UTC), THE CENTER OF TROPICAL DEPRESSION IONA WAS  
LOCATED NEAR LATITUDE 15.8 NORTH, LONGITUDE 179.5 WEST. THE  
DEPRESSION IS MOVING TOWARD THE WEST-NORTHWEST NEAR 17 MPH (28  
KM/H), AND THIS MOTION IS EXPECTED TO CONTINUE OVER THE NEXT COUPLE  
OF DAYS WITH A GRADUAL DECREASE IN FORWARD SPEED.  
 
MAXIMUM SUSTAINED WINDS ARE NEAR 35 MPH (55 KM/H) WITH HIGHER GUSTS.  
LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT DAY OR TWO.  
ADDITIONAL WEAKENING IS FORECAST TO BEGIN ON SUNDAY.  
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1008 MB (29.77 INCHES).  
 
 
HAZARDS AFFECTING LAND  
----------------------  
NONE.  
 
 
NEXT ADVISORY  
-------------  
THIS IS THE LAST ADVISORY ISSUED BY THE CENTRAL PACIFIC HURRICANE  
CENTER ON THIS SYSTEM. FUTURE ADVISORIES WILL BE ISSUED BY RSMC  
TOKYO, JAPAN. ADVISORIES ISSUED BY RSMC TOKYO ARE FOUND ON THE WEB  
AT:  
 
WWW.JMA.GO.JP/JMA/JMA-ENG/JMA-CENTER/RSMC-HP-PUB-EG/RSMC_HP.HTM  
 
FOR U.S.INTERESTS, SEE ADVISORIES ISSUED BY THE JOINT TYPHOON  
WARNING CENTER (JTWC) IN HONOLULU, HAWAII. ADVISORIES ISSUED BY JTWC  
CAN BE FOUND ON THE WEB AT:  
 
WWW.METOC.NAVY.MIL/JTWC/JTWC.HTML  
 
 
FORECASTER GIBBS (CPHC)  
 
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