231
WGHW50 PHFO 210246
FFWHFO
HIC003-210600-
/O.EXT.PHFO.FF.W.0017.000000T0000Z-260321T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HONOLULU HI
446 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 800 PM HST.
* AT 446 PM HST, EMERGENCY MANAGEMENT REPORTED SEVERAL ROADS STILL
CLOSED DUE TO FLOODING FROM EARLIER TODAY. LATEST RADAR AS OF 445
PM IS SHOWING MODERATE TO LOCALLY HEAVY SHOWERS WITH RAIN RATES OF
0.25 TO 1 INCH PER HOUR WITH THE HEAVIEST RAIN OVER WAHIAWA. THE
WAHIAWA RESERVOIR HAS DECREASED FROM EARLIER TODAY BUT STILL
REMAINS A CONCERN DUE TO ADDITIONAL HEAVY RAIN EXPECTED OVER THE
NEXT FEW DAYS.
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...
WAHIAWA, SCHOFIELD BARRACKS, WHEELER FIELD, HALEIWA, WAIALUA,
MILILANI, HAUULA, LAIE, WAIANAE, PUNALUU, KAHUKU, NANAKULI,
WAIKANE, KAAAWA, HELEMANO HOUSING, WHITMORE VILLAGE, WAIMEA
VALLEY, WAIMEA BAY, MOKULEIA AND PUPUKEA.
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.
THE HEAVY RAINS MAY CAUSE ROCK AND MUDSLIDES IN STEEP TERRAIN AREAS.
THIS WARNING MAY NEED TO BE EXTENDED BEYOND 800 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
KINO
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