242 

WGHW50 PHFO 210151

FFWHFO

HIC003-210400-

/O.EXT.PHFO.FF.W.0019.000000T0000Z-260321T0400Z/

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



BULLETIN - EAS ACTIVATION REQUESTED

Flash Flood Warning

National Weather Service Honolulu HI

351 PM HST Fri Mar 20 2026



The National Weather Service in Honolulu has extended the



* Flash Flood Warning for...

  The island of Oahu in Honolulu County



* Until 600 PM HST.



* At 351 PM HST, radar indicated an area of heavy rain offshore that 

  will move through east Oahu within the next hour. Rain rates with 

  that area are in the 1 to 2 inch per hour range. this additional 

  rainfall could exacerbate existing flooding and result in 

  additional impacts.



  HAZARD...Flash flooding caused by heavy rain.



  SOURCE...Radar.



  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...

  Honolulu, Waipio, Moanalua, Halawa, Salt Lake, Aiea, Kalihi, Pearl 

  City, Ahuimanu, Iroquois Point, Manoa, Kahaluu, Kaneohe, Waiahole, 

  Waipahu, Waikele, Palolo, Maunawili, Waikane and Ewa Beach.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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

if they are currently dry.



Excessive runoff from heavy rainfall will cause flooding of drainage 

ditches and streams, streets, highways, properties, and other low 

lying spots.



&&



This warning may need to be extended beyond 600 PM HST if flooding 

persists.



LAT...LON 2147 15783 2143 15779 2144 15778 2147 15779

      2147 15772 2146 15771 2141 15773 2134 15769

      2131 15764 2126 15769 2125 15772 2127 15773

      2125 15783 2129 15787 2130 15790 2129 15796

      2131 15797 2129 15811 2140 15818 2150 15783



FLASH FLOOD...RADAR INDICATED



$$



TS