510
WGHW50 PHFO 220655
FFWHFO
HIC009-221000-
/O.EXT.PHFO.FF.W.0024.000000T0000Z-260322T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HONOLULU HI
855 PM HST SAT MAR 21 2026
THE NATIONAL WEATHER SERVICE IN HONOLULU HAS EXTENDED THE
* FLASH FLOOD WARNING FOR...
THE ISLAND OF MAUI IN MAUI COUNTY
* UNTIL MIDNIGHT HST TONIGHT.
* AT 855 PM HST, RADAR INDICATED HEAVY SHOWERS AND THUNDERSTORMS
PERSISTING OVER WEST MAUI, WITH RAIN FALLING AT RATES OF 1 TO 2
INCHES PER HOUR. STREAM LEVELS REMAIN HIGH ACROSS WEST MAUI, AND
EMERGENCY MANAGEMENT RECENTLY REPORTED ROAD CLOSURES IN THE
LAHAINA, KAHULUI, AND WAILUKU AREAS. ADDITIONAL HEAVY SHOWERS ARE
DEVELOPING SOUTH OF MAUI AND ARE EXPECTED TO LIFT NORTHWARD OVER
THE ISLAND THROUGH THE LATE EVENING AND OVERNIGHT HOURS. GIVEN THE
SATURATED GROUNDS FROM RECENT HEAVY RAINFALL, PARTICULARLY IN
KIHEI, EVEN BRIEF PERIODS OF HEAVY RAIN COULD QUICKLY LEAD TO
RENEWED RUNOFF AND FLOODING 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...
KAHULUI, KIHEI, LAHAINA, WAIKAPU, MAALAEA, WAILUKU, PUUNENE,
WAIEHU, WAIHEE, PAIA, HALIIMAILE, OLOWALU, PUKALANI, MAKAWAO,
KAHAKULOA, WAILEA, KULA, KEOKEA, PAUWELA AND HAIKU-PAUWELA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
STAY AWAY FROM STREAMS, RIVERS, DRAINAGE DITCHES, AND CULVERTS, EVEN
IF THEY ARE CURRENTLY DRY.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
THE HEAVY RAINS MAY CAUSE ROCK AND MUDSLIDES IN STEEP TERRAIN AREAS.
THIS WARNING MAY NEED TO BE EXTENDED BEYOND MIDNIGHT HST TONIGHT IF
FLOODING PERSISTS.
LAT...LON 2063 15647 2078 15648 2078 15650 2076 15654
2080 15663 2088 15670 2093 15671 2102 15667
2105 15661 2105 15659 2100 15651 2091 15647
2096 15634 2093 15626 2074 15632 2058 15642
FLASH FLOOD...RADAR INDICATED
GIBBS
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