Sep 13, 2018
As Tropical Storm Olivia approached the islands from the east-northeast and then made a double landfall in Maui County on September 12th, it brought gusty winds and heavy precipitation. Most of its effects were concentrated over Maui, Molokai, and Oahu. The system downed trees, caused power outages and debris flows, and generated flash flooding. The costs of damages had not yet been assessed. There were no reports of serious injuries.
Source: NOAA National Weather Service Storm Events Database (event 778683). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Honolulu County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.