SITE ARCHIVE: This alert has expired.
1536940800

Hawaiian Lifeguard Association
on behalf of
National Weather Service
Weather Forecast Office - Honolulu, HICounty of Hawaiʻi
Fire Department - Ocean Safety DivisionCity and County of Honolulu
Emergency Services Department - Ocean Safety and Lifeguard Services DivisionCounty of Kauaʻi
Fire Department - Ocean Safety BureauCounty of Maui
Parks and Recreation - Aquatics DivisionFOR IMMEDIATE RELEASE: Wednesday, September 12, 2018 - 6:01am HST
Flash Flood Watch
Effective: Wednesday, September 12, 2018 - 6:01am to Friday, September 14, 2018 - 6:00am
Alert:
...FLASH FLOOD WATCH FOR ALL HAWAIIAN ISLANDS...
...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE THURSDAY NIGHT... The Flash Flood Watch continues for
* All Hawaiian islands.
* Through late Thursday night.
* Moisture from Tropical Storm Olivia is moving west across the islands. Olivia is forecast to produce total rainfall amounts of 5 to 10 inches. Maximum amounts of 15 inches will be possible along east sections and in higher terrain. The heaviest rain is over Maui County this morning. The heaviest rain may shift to Kauai starting Thursday as a low aloft interacts with the moisture from Olivia. Total rainfall amounts of 4 to 6 inches with isolated amounts to 8 inches are possible on Kauai.
* Rain events of this size can cause widespread flooding and can affect areas that do not usually flood. Low spots in roads will become dangerous and impassable due to severe runoff. Debris in streams and gulches may clog bridges and culverts resulting in dangerous flooding. Numerous landslides are expected, especially along the Hana Highway on Maui.
...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE THURSDAY NIGHT... The Flash Flood Watch continues for
* All Hawaiian islands.
* Through late Thursday night.
* Moisture from Tropical Storm Olivia is moving west across the islands. Olivia is forecast to produce total rainfall amounts of 5 to 10 inches. Maximum amounts of 15 inches will be possible along east sections and in higher terrain. The heaviest rain is over Maui County this morning. The heaviest rain may shift to Kauai starting Thursday as a low aloft interacts with the moisture from Olivia. Total rainfall amounts of 4 to 6 inches with isolated amounts to 8 inches are possible on Kauai.
* Rain events of this size can cause widespread flooding and can affect areas that do not usually flood. Low spots in roads will become dangerous and impassable due to severe runoff. Debris in streams and gulches may clog bridges and culverts resulting in dangerous flooding. Numerous landslides are expected, especially along the Hana Highway on Maui.
Description:
A Flash Flood Watch means heavy rain leading to flash flooding is possible.
Instruction:
A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is LIFE THREATENING. Do not
cross fast flowing water in your vehicle or on foot.
Monitor later forecasts and be prepared to take action should
Flash Flood Warnings be issued. If you experience heavy rain or
rising water, head to higher ground immediately.
Affected Monitored Beaches:
- Aliʻi Beach Park
- Bellows Field Beach
- Waikiki - Dukes
- Ehukai Beach
- Haleʻiwa Beach
- Hanauma Bay
- Kailua Beach
- Flat Island
- Mokulua Islands
- Waikiki - Kapiolani Park
- Waikiki - Queens
- Waikiki - Kuhio
- Maili Beach
- Makaha Beach
- Makapuʻu Beach
- Rabbit Island
- Nanakuli Beach
- Depot’s Beach
- Pokai Beach
- Keawaʻula Beach
- Sans Souci
- Sandy Beach
- Sunset Beach
- Chun’s Reef
- Laniakea Beach
- Waimanalo Bay
- Waimanalo Beach
- Waimea Bay
- Chinaman’s Hat
- Ala Moana Beach
- Magic Island Lagoon
- KeʻWaena Beach
- Kualoa Regional Park
- D.T. Fleming Park
- Hanakaoʻo Park
- Kamaole 1
- Kamaole 2
- Kamaole 3
- Kanaha Beach Park
- Baldwin Beach Park
- Hoʻokipa Beach Park
- Makena State Park
- Spencer Beach Park
- White Sands Beach Park
- Kahaluʻu Beach Park
- Ahalanui Park
- Richardson Ocean Park
- Leleiwi Beach Park
- Pohoiki Beach
- Onekahakaha Beach Park
- Hapuna Beach Park
- Carlsmith Beach Park
- Honoliʻi Beach Park
- Haʻena Beach Park
- Keʻe Beach
- Hanalei Bay
- Anahola Beach Park
- Kealia Beach Park
- Lydgate Beach
- Lydgate Pond
- Poipu Beach Park
- Salt Pond Beach Park
- Kekaha Beach Park
Unmonitored lands and waters in the impact area described in the alert will also be impacted.
If conditions change before expiration or the event needs to be extended, an update or cancellation will be issued from Hawaii Beach Safety Website.
** END NOTIFICATION ***
Source: National Weather Service Alert
171
Alert Identifier: 9291
- kauai
- oahu
- maui
- hawaii