WGHW50 PHFO 202037 FFWHFO HIC003-202300- /O.NEW.PHFO.FF.W.0019.260320T2037Z-260320T2300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Honolulu HI 1037 AM HST Fri Mar 20 2026 The National Weather Service in Honolulu has issued a * Flash Flood Warning for... The island of Oahu in Honolulu County * Until 100 PM HST. * At 1037 AM HST, radar indicated heavy rain continuing to move over east Oahu. Rain was falling at a rate of 1 to 2.5 inches per hour. Flash flooding is ongoing, especially in and around Honolulu, with flowing water on roadways and stalled vehicles. 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 100 PM HST if flooding persists. This Flash Flood Warning replaces the previously issued Flood Advisory that was in effect for The island of Oahu in Honolulu County. 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