WGHW50 PHFO 211747

FFWHFO

HIC003-212100-

/O.EXT.PHFO.FF.W.0021.000000T0000Z-260321T2100Z/

/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/



BULLETIN - EAS ACTIVATION REQUESTED

Flash Flood Warning

National Weather Service Honolulu HI

747 AM HST Sat Mar 21 2026



The National Weather Service in Honolulu has extended the



* Flash Flood Warning for...

  The island of Oahu in Honolulu County



* Until 1100 AM HST.



* At 747 AM HST, emergency management continued to report road 

  closures across Oahu due to recent flooding. Additional bands of 

  heavy showers and thunderstorms continue to pass over the 

  southeast half of Oahu, with rain rates as high as 1 to 2 inches 

  per hour.





  HAZARD...Flash flooding caused by heavy rain.



  SOURCE...Emergency management.



  IMPACT...Flooding in drainages, streams, rivers, roads,

           properties, and other low-lying areas. Public road

           closures possible in some areas. Landslides are

           possible in steep terrain.



* Some locations that will experience flash flooding include...

  the entire Island of Oahu.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Stay away from streams, rivers, drainage ditches, and culverts, even 

if they are currently dry.



Do not cross fast flowing or rising water in your vehicle, or on 

foot. Turn around, don't drown.



&&



This warning may need to be extended beyond 1100 AM HST if flooding 

persists.



LAT...LON 2125 15769 2125 15772 2127 15773 2124 15782

      2130 15790 2129 15811 2136 15815 2148 15824

      2153 15825 2158 15829 2160 15813 2169 15805

      2173 15798 2155 15783 2147 15783 2143 15779

      2147 15779 2147 15772 2141 15773 2131 15764



FLASH FLOOD...OBSERVED



$$



WROE