Notice: Urgent (Emergency Alert System - Activated)
Flash Flood Warning for Ka'u District has been extended until 2:00 am Wednesday morning (November 20th).
Rainfall rates of 2-3 inches per hour have been recorded in rain gauges above Pahala and flooding at Kawa Flats caused the closure of Highway 11 (Mamalahoa Hwy) between Na'alehu and Punalu'u Beach Park.
The National Weather Service in Honolulu has extended the * Flash Flood Warning for... The island of Hawaii in Hawaii County * Until 200 AM HST. * At 1043 PM HST, Big Island emergency management reported that Highway 11 was still closed at Kawa Flats due to 2 feet of water across the roadway. Heavy rainfall has diminished but runoff will continue for the next hour or so. 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 flooding include... Naalehu, Pahala, Wood Valley, Kawa Flats, Punaluu Beach, Discovery Harbour and Waiohinu. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Warning means that flooding is imminent or occurring within the warned area. Stay away from streams, rivers, drainage ditches, and culverts, even if they are currently dry. Do not cross fast flowing water in your vehicle, or on foot. Turn around, don`t drown. && This warning may need to be extended beyond 200 AM HST if heavy rain persists.