863
WGHW50 PHFO 210347
FFWHFO
HIC003-210700-
/O.EXT.PHFO.FF.W.0019.000000T0000Z-260321T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HONOLULU HI
547 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 900 PM HST.
* AT 547 PM HST, RADAR INDICATED MODERATE RAIN OVER PARTS OF LEEWARD
AND EAST OAHU. RAIN WAS FALLING AT A RATE OF 0.25 TO 0.75 INCHES
PER HOUR. ALTHOUGH RAIN RATES ARE MODEST DUE TO THE RECENT
RAINFALL, SEVERE PONDING OF WATER WILL BE POSSIBLE OVER SELECT
AREAS. ADDITIONAL BANDS OF MODERATE TO LOCALLY HEAVY SHOWERS WILL
BE POSSIBLE THROUGH THIS EVENING.
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 900 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
KINO
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