With Hurricane Lane just west of the Big Island of Hawaii, and south of Maui County and Oahu, torrential rain fell over parts of the state, especially the Big Island.  Flash flooding was the most serious weather problem, with parts of the Big Island seeing total rainfall of 40 to 50 inches. (One site, the Kahuna Falls Cooperative Observer Program station, reported 56 inches.)  Strong winds also downed trees and power lines, leading to power outages on most isles.  The total cost of damages has not yet been assessed, though at least $20 million in damages occurred to public infrastructure on the Big Island.  There were no reports of serious injuries.

Hurricane (Typhoon) in OAHU KOOLAU, HAWAII
From 24-AUG-18 10:10:00 to 24-AUG-18 10:30:00 (HST-10)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

On Oahu, road crews responded to debris on Likelike Highway just before Kahekili Highway.

Hurricane (Typhoon) in WINDWARD HALEAKALA, HAWAII
From 24-AUG-18 14:00:00 to 24-AUG-18 14:30:00 (HST-10)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

On Maui, debris flows were reported on Hana Highway at mile markers 10, 15, and 20.

Hurricane (Typhoon) in OAHU SOUTH SHORE, HAWAII
From 24-AUG-18 16:30:00 to 24-AUG-18 16:50:00 (HST-10)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Utility Company

On Oahu, a power outage was reported at Punchbowl Street due to a downed tree on power lines.

Heavy Rain in MAUI, HAWAII
From 24-AUG-18 21:07:00 to 24-AUG-18 23:37:00 (HST-10)
Location: PAPOHAKU BEACH PARK
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Heavy Rain in MAUI, HAWAII
From 22-AUG-18 17:31:00 to 22-AUG-18 23:23:00 (HST-10)
Location: WAILUKU
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Hurricane (Typhoon) in WINDWARD HALEAKALA, HAWAII
From 23-AUG-18 22:00:00 to 23-AUG-18 22:30:00 (HST-10)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

On Maui, trees and utility wires down in multiple locations on Olinda Road above Seabury Hall.

Flash Flood in MAUI, HAWAII
From 23-AUG-18 11:30:00 to 23-AUG-18 14:29:00 (HST-10)
Location: WAIANAPANAPA SP
Flood cause: Heavy Rain / Tropical System
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flooding rains closed Waikoloa Road near Hana.  Also, Waianapanapa and Ulaino roads were closed in the area as well.

Hurricane (Typhoon) in WAIANAE COAST, HAWAII
From 23-AUG-18 22:00:00 to 23-AUG-18 22:30:00 (HST-10)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

On Oahu, a fence blew down and then felled a guava tree in Nanakuli in the leeward part of the isle.

Coastal Flood in OAHU SOUTH SHORE, HAWAII
From 24-AUG-18 15:40:00 to 24-AUG-18 16:05:00 (HST-10)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Ala Wai Canal near Waikiki overflowed its banks near Nohonani Street and Ala Wai Blvd, and near the Kamehameha Canoe Club.

Flash Flood in MAUI, HAWAII
From 24-AUG-18 20:20:00 to 25-AUG-18 02:09:00 (HST-10)
Location: HAIKU
Flood cause: Heavy Rain / Tropical System
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Skywarn spotter reported a 30-foot section of Puu Way in Haiku was washed out at a culvert.

Heavy Rain in MAUI, HAWAII
From 25-AUG-18 14:55:00 to 25-AUG-18 17:29:00 (HST-10)
Location: HONOKAHUA
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Heavy Rain in MAUI, HAWAII
From 25-AUG-18 19:48:00 to 26-AUG-18 04:37:00 (HST-10)
Location: PUUKOLII
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Hurricane (Typhoon) in LEEWARD HALEAKALA, HAWAII
From 23-AUG-18 22:21:00 to 23-AUG-18 22:40:00 (HST-10)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Utility Company

On Maui, trees and power lines down six miles south of Pukalani.

Hurricane (Typhoon) in OAHU SOUTH SHORE, HAWAII
From 23-AUG-18 22:40:00 to 23-AUG-18 23:00:00 (HST-10)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Utility Company

On Oahu, a power outage occurred in Kaimuki due to falling trees and branches on power lines.

Hurricane (Typhoon) in OAHU KOOLAU, HAWAII
From 24-AUG-18 05:26:00 to 24-AUG-18 05:35:00 (HST-10)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

On Oahu, felled trees blocked the Wilson Tunnel on Likelike Highway in the Kaneohe-bound direction.

Hurricane (Typhoon) in OAHU SOUTH SHORE, HAWAII
From 24-AUG-18 09:00:00 to 24-AUG-18 09:00:00 (HST-10)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

On Oahu, the Honolulu Fire Department responded to a house with roof damage sometime between 2000 HST on the 23rd and 0630 HST on the 24th.

Heavy Rain in HAWAII, HAWAII
From 25-AUG-18 20:11:00 to 25-AUG-18 22:16:00 (HST-10)
Location: HAWI
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Heavy Rain in HAWAII, HAWAII
From 25-AUG-18 22:24:00 to 26-AUG-18 04:07:00 (HST-10)
Location: OOKALA
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Heavy Rain in HONOLULU, HAWAII
From 26-AUG-18 05:07:00 to 26-AUG-18 07:50:00 (HST-10)
Location: KAHUKU
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Heavy Rain in HAWAII, HAWAII
From 26-AUG-18 15:18:00 to 26-AUG-18 16:21:00 (HST-10)
Location: PUUANAHULU
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Flash Flood in HAWAII, HAWAII
From 22-AUG-18 21:35:00 to 25-AUG-18 22:27:00 (HST-10)
Location: KUKUIHAELE
Flood cause: Heavy Rain / Tropical System
Property damage: 7.10M
Crop damage: 0.00K
Reported by: Emergency Manager

Flash flooding continued for about two full days for much of the east half of the Big Island of Hawaii.  From near Hawi in the north to the Kawa Flats area in the south, almost continuous heavy rain and thunderstorms associated with Hurricane Lane affected the isle. Flooding waters closed Bayfront Highway in Hilo, Highway 19 in multiple areas was closed due to debris flows and deep water on the roadway, flash flooding was ongoing in Waipio Valley for much of the time, Akoni Pule Highway became impassable near Hawi, Kaalaiki Road northeast of Naalehu was closed because of deep ponding, water rescues and evacuations were undetaken in the Hilo area at Kaiulani Street with water levels running at 5 feet, a resident in Keaau had to evacuate the home because of flooding on N. Wilder Road, a portion of Saddle Road upslope from Hilo was closed because of a debris flow and large rocks on the roadway, route 130 was closed from Keaau High School to Hawaiian Paradise Park due to flooding, and both lanes of Highway 11 in the Kawa Flats area were closed because of deep water over the roadway.

Hurricane (Typhoon) in WAIANAE COAST, HAWAII
From 24-AUG-18 09:00:00 to 24-AUG-18 09:20:00 (HST-10)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

On Oahu, Hawaiian Electric Company (HECO) responded to a power outage due to a large fallen tree in Nanakuli in the leeward part of the island; and firefighters responded to two homes with roof damage (sometime between 2000 HST on the 23rd and 0630 HST on the 24th.

Hurricane (Typhoon) in OAHU KOOLAU, HAWAII
From 24-AUG-18 09:00:00 to 24-AUG-18 09:00:00 (HST-10)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

On Oahu, firefighters responded to a home with roof damage (sometime between 2000 HST on the 23rd and 0630 HST on the 24th) in Makiki.

Hurricane (Typhoon) in OAHU SOUTH SHORE, HAWAII
From 24-AUG-18 09:00:00 to 24-AUG-18 09:00:00 (HST-10)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

On Oahu, firefighters responded to two homes with roof damage (sometime between 2000 HST on the 23rd and 0630 HST on the 24th) in Kalihi.

Heavy Rain in MAUI, HAWAII
From 24-AUG-18 21:04:00 to 24-AUG-18 23:17:00 (HST-10)
Location: SHIPWRECK BEACH
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations