Reducing Flood Risk in Hawaii

  • Wildfire - SE of Calulo, Cuanza Sul - Angola

    13 minutes ago INFORMATION

  • Wildfire - SW of Malanje - Angola

    13 minutes ago ADVISORY

  • Wildfire - SW of Malanje - Angola

    13 minutes ago ADVISORY

  • Wildfire - E of Pine Creek, Northern Territory - Australia

    24 minutes ago INFORMATION

  • Volcano - Sangay, Ecuador

    41 minutes ago WARNING

  • Wildfire - S of Severobaykalsk, Buryat - Russia

    33 minutes ago INFORMATION

  • Wildfire - W of Ust-Ulimsk, Irkutsk - Russia

    33 minutes ago INFORMATION

  • Volcano - Dukono, Indonesia

    1 hour ago WATCH

  • Wildfire - Santa Clara County (Crews Fire), California, United States

    1 hour ago WARNING

  • Earthquake - 6.6 - 93 km N of Batang, Indonesia

    12 hours ago WATCH

  • Volcano - Reventador, Ecuador

    1 hour ago WATCH

  • Flood - Washington, DC--VA--MD Region, United States

    2 hours ago WARNING

  • Tropical Storm - Cristina

    3 hours ago ADVISORY

  • Wildfire - NW of Chernyshevskiy, Chukot - Russia

    3 hours ago INFORMATION

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    3 hours ago ADVISORY

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    4 hours ago WARNING

  • Earthquake - 5.1 - 278 km WSW of Labuan, Indonesia

    5 hours ago ADVISORY

  • Volcano - Nishinoshima, Japan

    5 hours ago WARNING

  • Earthquake - 5.1 - Pacific-Antarctic Ridge

    6 hours ago ADVISORY

  • Earthquake - 5.1 - 9 km E of Rangkasbitung, Indonesia

    7 hours ago ADVISORY

  • Wildfire - Washoe County (Mahogany Fire), Nevada, United States

    9 hours ago WARNING

  • Extreme Heat - Southern Canada

    9 hours ago WARNING

  • Storms - Sarawak and Sabah, Malaysia

    9 hours ago WARNING

  • Volcano - Ibu, Indonesia

    9 hours ago WATCH

  • Storms - Peninsular Malaysia

    9 hours ago WARNING

  • Floods - Sula Islands, Indonesia

    9 hours ago WARNING

  • Floods - Northwestern England

    10 hours ago WARNING

  • Wildfire - Tucson (Bighorn Fire) , Arizona, United States

    10 hours ago WARNING

  • Storms - Southern Brazil

    10 hours ago WARNING

  • Storms - Mexico

    10 hours ago WARNING

  • Extreme Heat - Vietnam

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  • Floods - Sarawak, Malaysia

    10 hours ago WARNING

  • Storms - Central Ontario, Canada

    10 hours ago WARNING

  • Wildfire - Los Angeles County (Soledad Fire), California, United States

    10 hours ago WARNING

  • Volcano - Ebeko, Russia

    10 hours ago ADVISORY

  • Floods/ Landslides - Central and Western Nepal

    11 hours ago WARNING

  • Floods - Southern Japan

    11 hours ago WARNING

  • Volcano - Semeru, Indonesia

    11 hours ago WARNING

  • Novel Coronavirus (COVID-19) - North America

    3 months ago WARNING

  • Novel Coronavirus (COVID-19) - Hawaii

    3 months ago WARNING

  • Earthquake - 5.1 - State of Yap, Federated States of Micronesia

    14 hours ago ADVISORY

  • Earthquake - 5.2 - South Sandwich Islands region

    14 hours ago ADVISORY

  • Tropical Cyclone - Edouard

    15 hours ago INFORMATION

  • Wildfire - SW of Udachnyy, Chukot - Russia

    15 hours ago INFORMATION

  • Earthquake - 5.6 - Izu Islands, Japan region

    16 hours ago WATCH

  • Earthquake - 5.5 - Mariana Islands region

    22 hours ago WATCH

  • Earthquake - 6.2 - 254 km N of Fais, Micronesia

    17 hours ago WATCH

  • Earthquake - 5.0 - 174 km NNE of Colonia, Micronesia

    19 hours ago ADVISORY

  • Flood - Mitchell, SD Region, United States

    21 hours ago WARNING

  • Flood - Philadelphia, MS Region, United States

    22 hours ago WARNING

  • Novel Coronavirus (COVID-19) - Middle East

    3 months ago WARNING

  • Novel Coronavirus (COVID-19) - Asia Pacific

    3 months ago WARNING

  • Earthquake - 5.9 - 33 km ENE of Port-Olry, Vanuatu

    1 day ago WATCH

  • Volcano - Popocatepetl, Mexico

    2 days ago ADVISORY

  • Volcano - Karymsky, Russia

    2 days ago ADVISORY

  • Storms - Pakistan

    4 days ago WARNING

  • Drought - Puerto Rico

    5 days ago WARNING

  • Drought - Southern United States

    4 days ago WARNING

  • Storms - India

    4 days ago WARNING

  • Extreme Heat - Mexico

    4 days ago WARNING

  • Novel Coronavirus (COVID-19) - Europe

    3 months ago WARNING

  • Drought - Micronesia

    5 days ago WARNING

  • Drought - Dominican Republic

    5 days ago WARNING

  • Drought - Southern Haiti

    5 days ago WARNING

  • Drought - US Virgin Islands

    5 days ago WARNING

  • Drought - Hawaii, United States

    5 days ago WARNING

  • Drought - Southwestern United States

    5 days ago WARNING

  • Drought - High Plains United States

    5 days ago WARNING

  • Drought - Mariana Islands

    5 days ago WARNING

  • Drought - Marshall Islands

    5 days ago WARNING

  • Drought - Northwestern United States

    5 days ago WARNING

  • Novel Coronavirus (COVID-19) - Latin America/Caribbean

    3 months ago WARNING

  • Novel Coronavirus (COVID-19) - Africa

    3 months ago WARNING

  • Ebola virus disease – Democratic Republic of the Congo

    1 week ago WARNING

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January 10, 2015

Modeling Dam Failure Scenarios for the Hawaiian Islands

Property owners and communities can suffer severe losses when flooding occurs. Information resources that illuminate flood risks provide focus for mitigation and preparedness efforts that will help save lives and reduce economic impact. In early 2006, a series of record-breaking flood events inundated the Hawaiian Islands. The damage was compounded when the Ka Loko Dam failed on the island of Kauai, killing seven people and destroying several homes. With more than 100 dams in Hawaii, assessing potential flood risk is crucial to minimizing impacts from dam failure events.

Under contract with Hawaii’s Department of Land and Natural Resources (DLNR) Dam Safety Division, PDC modeled dam failure scenarios for all 135 dams registered in the state of Hawaii. Based on the output from these models, PDC created flood inundation maps that provided an overall view of water depth and flood travel time, an exposure assessment of community infrastructure, and an estimate of potential economic damage to private structures and businesses. The maps continue to provide a basis for assessing risk in Hawaii’s downstream areas, supporting emergency preparedness and evacuation planning throughout the state.

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