WGHW50 PHFO 202331

FFWHFO

HIC003-210300-

/O.EXT.PHFO.FF.W.0017.000000T0000Z-260321T0300Z/

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



BULLETIN - EAS ACTIVATION REQUESTED

Flash Flood Warning

National Weather Service Honolulu HI

131 PM HST Fri Mar 20 2026



...FLASH FLOOD EMERGENCY FOR NORTHERN OAHU...



The National Weather Service in Honolulu has extended the



* Flash Flood Warning for...

  The island of Oahu in Honolulu County



* Until 500 PM HST.



* At 131 PM HST, emergency management reported ongoing flood impacts 

  in the North Shore areas. The Wahiawa Reservoir and area streams 

  remain elevated as well. Additional areas of heavy rain are 

  expected over the next few hours which could exacerbate existing 

  flooding and cause additional rises in stream and reservoir water 

  levels.



  This is a FLASH FLOOD EMERGENCY for Northern Oahu. This is a 

  PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER GROUND NOW!



  HAZARD...Heavy rain producing life threatening flash flooding.



  SOURCE...Emergency management.



  IMPACT...Severe flooding in drainages, streams, rivers, roads,

           properties, and other low lying areas. Numerous public

           road closures in effect, as well as landslides in

           steep terrain. Significant property damage is ongoing

           for homes and other properties in low lying areas and

           is likely to continue with additional heavy rain.



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

  northern half of Oahu, along and north of a line from Waianae 

  Valley to Mililani Mauka to Waiahole.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Move to higher ground now! This is an extremely dangerous and 

life-threatening situation. Do not attempt to travel unless you are 

fleeing an area subject to flooding or under an evacuation order.



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

if they are currently dry.



The heavy rains may cause rock and mudslides in steep terrain areas.



&&



This warning may need to be extended beyond 500 PM HST if flooding 

persists.



LAT...LON 2148 15824 2153 15825 2157 15829 2158 15829

      2159 15828 2160 15813 2169 15805 2173 15798

      2155 15783 2150 15783 2140 15818



FLASH FLOOD...OBSERVED

FLASH FLOOD DAMAGE THREAT...CATASTROPHIC



$$



TS