330 WGHW70 PHFO 160039 FFSHFO Flash Flood Statement National Weather Service Honolulu HI 239 PM HST Fri May 15 2026 HIC003-160130- /O.CON.PHFO.FF.W.0039.000000T0000Z-260516T0130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Honolulu HI- 239 PM HST Fri May 15 2026 ...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 330 PM HST FOR OAHU... At 239 PM HST, radar and automated rain gauges indicated thunderstorms with violent rain showers of 2 to 4 inches per hour, in a 5 mile wide band extending across the island from just south of Nanakuli on the leeward side, to Waipau, Waikele and Pearl City, then over the Koolau to the windward side near Waikane, Ahuimanu, and Heeia. Several stream gauges are showing rapid rises, and flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar and automated gauges. 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 could experience flash flooding include but are not limited to... Kunia, Waipahu, Waikele, Pearl City, Ahuimanu, Waikele, and Heeia. PRECAUTIONARY/PREPAREDNESS ACTIONS... Stay away from streams, rivers, drainage ditches, and culverts, even if they are currently dry. && LAT...LON 2125 15769 2125 15772 2127 15773 2124 15782 2129 15790 2128 15811 2136 15815 2148 15824 2153 15824 2158 15829 2159 15812 2169 15805 2173 15797 2155 15783 2147 15783 2143 15779 2147 15779 2147 15772 2141 15773 2131 15764 FLASH FLOOD...RADAR AND GAUGE INDICATED $$ R BALLARD