195  
WGHW80 PHFO 180636  
FLSHFO  
 
FLOOD ADVISORY  
NATIONAL WEATHER SERVICE HONOLULU HI  
836 PM HST THU APR 17 2025  
 
HIC003-180945-  
/O.NEW.PHFO.FA.Y.0039.250418T0636Z-250418T0945Z/  
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
HONOLULU HI-  
836 PM HST THU APR 17 2025  
 
...FLOOD ADVISORY IN EFFECT UNTIL 1145 PM HST THIS EVENING FOR THE  
ISLAND OF OAHU IN HONOLULU COUNTY...  
 
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL.  
 
* WHERE...THE ISLAND OF OAHU IN HONOLULU COUNTY.  
 
* WHEN...UNTIL 1145 PM HST.  
 
* IMPACTS...MINOR FLOODING ON ROADS, POOR DRAINAGE AREAS, AND IN  
STREAMS.  
 
* ADDITIONAL DETAILS...  
- AT 835 PM HST, RADAR INDICATED HEAVY SHOWERS AND  
THUNDERSTORMS OVER THE NORTHERN HALF OF THE KOOLAU MOUNTAINS,  
WITH RAIN FALLING AT A RATE OF 1 TO 2 INCHES PER HOUR.  
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...  
PUNALUU, WAIKANE, KAAAWA, HAUULA, WAIAHOLE, LAIE, WAHIAWA,  
KAHALUU, AHUIMANU, KAHUKU, KANEOHE, HALEIWA, KANEOHE MARINE  
BASE, KALIHI, MAUNAWILI, KAILUA, MANOA, KAHANA VALLEY STATE  
PARK, KUALOA AND HELEMANO HOUSING.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
STAY AWAY FROM STREAMS, DRAINAGE DITCHES AND LOW LYING AREAS PRONE  
TO FLOODING.  
 
 
 
THIS ADVISORY MAY NEED TO BE EXTENDED BEYOND 1145 PM HST IF FLOODING  
PERSISTS.  
 
LAT...LON 2165 15809 2169 15805 2173 15798 2166 15792  
2155 15784 2155 15783 2147 15783 2145 15781  
2143 15779 2144 15778 2146 15779 2147 15778  
2137 15771 2135 15781 2162 15811  
 
 
 
WROE  
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