426  
WGHW80 PHFO 011029  
FLSHFO  
 
FLOOD ADVISORY  
NATIONAL WEATHER SERVICE HONOLULU HI  
1229 AM HST MON JUN 1 2026  
 
HIC001-011330-  
/O.NEW.PHFO.FA.Y.0123.260601T1029Z-260601T1330Z/  
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
HAWAII HI-  
1229 AM HST MON JUN 1 2026  
 
...FLOOD ADVISORY IN EFFECT UNTIL 330 AM HST EARLY THIS MORNING FOR  
THE ISLAND OF HAWAII IN HAWAII COUNTY...  
 
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL.  
 
* WHERE...THE ISLAND OF HAWAII IN HAWAII COUNTY.  
 
* WHEN...UNTIL 330 AM HST.  
 
* IMPACTS...MINOR FLOODING ON ROADS, POOR DRAINAGE AREAS, AND IN  
STREAMS.  
 
* ADDITIONAL DETAILS...  
- AT 1227 AM HST, RADAR INDICATED HEAVY RAIN OVER THE NORTHERN  
AND EASTERN SLOPES OF THE BIG ISLAND. RAIN WAS FALLING AT A  
RATE OF 0.5 TO 1 INCHES PER HOUR.  
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...  
HILO, HAWAIIAN PARADISE PARK, KAPAAU, HONOKAA, LAUPAHOEHOE,  
NINOLE, HONOMU, OOKALA, HAKALAU, PEPEEKEO, PAPAIKOU, PAAUILO,  
MOUNTAIN VIEW, GLENWOOD, KEAAU, KAMUELA, KUKUIHAELE, HAWAIIAN  
ACRES AND WAIPIO VALLEY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
STAY AWAY FROM STREAMS, DRAINAGE DITCHES AND LOW LYING AREAS PRONE  
TO FLOODING.  
 
DO NOT CROSS FAST FLOWING OR RISING WATER IN YOUR VEHICLE, OR ON  
FOOT. TURN AROUND, DON'T DROWN.  
 
 
 
THIS ADVISORY MAY NEED TO BE EXTENDED BEYOND 330 AM HST IF FLOODING  
PERSISTS.  
 
LAT...LON 2020 15592 2026 15590 2028 15585 2026 15576  
2014 15559 2011 15544 1998 15520 1986 15507  
1976 15508 1975 15500 1964 15497 1953 15480  
1945 15483 1930 15504 1983 15537 2008 15588  
 
 
 
WALSH  
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