145 first-hand accounts of flood events in Hawaii, ranked by impact. Each is a NOAA-written narrative of the moment.
Upper air instability and remnants of a tropical cyclone combined to generate torrential rains that produced severe flash flooding over eastern and southeastern parts of the Big Island on the 1st and 2nd of November.
Read the full account →A low aloft northeast of the Island of Hawaii generated heavy rainfall, thunderstorms, and flash flooding over the isle and, to a lesser extent, Oahu.
Read the full account →Strong high pressure far northeast of the islands and an upper trough to the southwest caused low level moisture to flow over the state from the southeast.
Read the full account →Warm topped convection associated with an upper trough was anchored over the higher slopes of the South Kohala District. Heavy rainfall occurred in a 3 to 5 mile radius upslope of Highway 190 between Waikoloa Road and Waimea Town.
Read the full account →A mesoscale low was detected by the Kauai WSR-88D during the early evening of the 24th just north of Oahu. Velocity and Storm Relative Velocity products indicated cyclonic circulation from 15 to 20 thousand feet.
Read the full account →With a front approaching Kauai from the northwest, a surface trough near the Big Island, and a slow-moving upper level disturbance; heavy showers and thunderstorms formed as the features acted on abundant moisture.
Read the full account →Heavy showers and isolated thunderstorms resulted in nine or ten luxury apartments being flooded near the Manele Golf Course on Lanai. In Maui, flood waters entered the basement of the Lahaina Hongwanji Mission. Some homes on Molokai and West Maui were also damaged.
Read the full account →Drainageways overflowed in Lahaina, flooding an underground parking lot and damaging several cars. Flooding closed a section of Kamehameha V Highway two miles east of Kaunakakai.Overall, residents and businesses reported losing hundreds of thousands of dollars from waters that…
Read the full account →A strong low that passed a few hundred miles north of the state produced gale force winds and heavy rainfall over all of the main Hawaiian Islands. The worst flooding affected O'ahu during the daylight hours of January 30 and southwest Maui that night.
Read the full account →A strong low that passed a few hundred miles north of the state produced gale force winds and heavy rainfall over all of the main Hawaiian Islands. The worst flooding affected O'ahu during the daylight hours of January 30 and southwest Maui that night.
Read the full account →Severe flash flooding occurred in the Kula area of East Maui near Waipoli Road. A deluge of water sent boulders, mud, and large eucalyptus trees down a steep mountainside gulch in a nearby subdivision.
Read the full account →An upper trough ignited heavy showers and thunderstorms over northwest and central parts of Oahu. Police closed Kamehameha Highway between Kamananui Road in Wahiawa to Weed Junction in Waialua from 630 AM until noon because of flooding.
Read the full account →A strong low pressure system to the northwest of the Hawaiian Islands along with an associated surface trough brought abundant moisture and an unstable atmosphere to the region.
Read the full account →A strong low pressure system to the northwest of the Hawaiian Islands along with an associated surface trough brought abundant moisture and an unstable atmosphere to the region.
Read the full account →A strong low pressure system to the northwest of the Hawaiian Islands along with an associated surface trough brought abundant moisture and an unstable atmosphere to the region.
Read the full account →A strong low pressure system to the northwest of the Hawaiian Islands along with an associated surface trough brought abundant moisture and an unstable atmosphere to the region.
Read the full account →Heavy rain and showers caused minor stream flooding and ponding of roadways on the Kona side of the Big Island. This event also produced excessive soil runoff at the Hokulia real estate development project in Kealakekua, with a cost to developers of up to $400,000.
Read the full account →Radar indicated heavy rain across portions of Maui County through the early morning hours. The most intense rain fell over the Wailuku and Waikapu areas with rainfall rates of one to two inches per hour over saturated ground.
Read the full account →Radar indicated heavy rain across portions of Maui County through the early morning hours. The most intense rain fell over the Wailuku and Waikapu areas with rainfall rates of one to two inches per hour over saturated ground.
Read the full account →Hurricane Hone, which formed in the Central Pacific, tracked towards the Hawaiian islands and passed by just south of the Big Island. Hurricane Hone's outer rain bands brought flooding to portions of the Big Island and the close proximity of the center of the storm brought…
Read the full account →Hurricane Hone, which formed in the Central Pacific, tracked towards the Hawaiian islands and passed by just south of the Big Island. Hurricane Hone's outer rain bands brought flooding to portions of the Big Island and the close proximity of the center of the storm brought…
Read the full account →A cold front with robust upper level support brought localized flooding impacts to Kauai and Oahu. Moderate southerly winds pushed moist air with precipitable water values in excess of 1.8 inches over the islands, contributing to periods of heavy rainfall.
Read the full account →A cold front with robust upper level support brought localized flooding impacts to Kauai and Oahu. Moderate southerly winds pushed moist air with precipitable water values in excess of 1.8 inches over the islands, contributing to periods of heavy rainfall.
Read the full account →Thunderstorms and heavy showers dropped more than 12 inches of rain in upper Hilo. The drenching damaged a road, Akolea Place, with a cost estimate of repair at $30 thousand.
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