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UPDATE 4: Flood & High Surf Advisories Extended for Hawai‘i County

April 13, 2018, 2:04 PM HST
* Updated April 13, 6:30 PM
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April 13, 2018, 6:23 p.m.

The National Weather Service in Honolulu has extended the Flood Advisory for Hawai‘i County until 9:15  p.m.

At 6:20 p.m., radar indicated heavy rain along the southern half of the leeward Big Islands from Keahole Point to South Point to Pahala. Rain was falling at a rate of 1 to 2 inches per hour.

Locations in the advisory include but are not limited to Kailua-Kona, Na‘alehu, Captain Cook, Honaunau, Kahaluu-Keauhou, Kainaliu, Kealakekua, Honalo, Pahala, Wood Valley, Kawa Flats and Kala‘oa.

PRECAUTIONARY/PREPAREDNESS ACTIONS

ARTICLE CONTINUES BELOW AD

Stay away from streams, drainage ditches and low-lying areas prone to flooding.

ARTICLE CONTINUES BELOW AD

Rainfall and runoff will also cause hazardous driving conditions due to ponding, reduced visibility and poor braking action.

Do not cross fast flowing or rising water in your vehicle, or on foot. Turn around, don’t drown.

This advisory may need to be extended beyond 9:15 p.m. if heavy rain persists.

ARTICLE CONTINUES BELOW AD

Friday, April 13, 3:39 p.m

The National Weather Service in Honolulu has issued a Flood Advisory for Hawai‘i County until 6:30 p.m.

At 3:34 p.m., radar indicated heavy rainfall was also occurring over the Ka‘ū District near Wood Valley and Pahala with rates of 1 to 2 inches per hour.

Very heavy rain and thunderstorms from Waimea up to Saddle Road Junction and down through South Kona are occurring at this time.

Similar rain rates were over the slopes above Hilo.

This advisory includes the entire island of Hawaii.

PRECAUTIONARY/PREPAREDNESS ACTIONS

Stay away from streams, drainage ditches and low-lying areas prone to flooding.

Rainfall and runoff will also cause hazardous driving conditions due to ponding, reduced visibility and poor braking action.

Do not cross fast flowing or rising water in your vehicle, or on foot. Turn around, don’t drown.

This advisory may need to be extended beyond 6:30 p.m. if heavy rain persists.

Friday, April 13, 2018, 2:25 p.m.

The National Weather Service has issued a flood advisory for Hawai‘i Island.

Very heavy rain and thunderstorms from Waimea up to Saddle Road Junction and down through South Kona are occurring at this time.

In addition, a High Surf Advisory is now in effect for North Kohala, Hāmākua, Hilo and Puna.

Due to these conditions, the following advisories are issued:

  • Residents in flood-prone areas are advised to be on the alert for possible flooding conditions.
  • Motorists are urged to exercise caution while driving. Road closures may occur without notice.
  • Remember, if lightning does threaten your area, the safest place to be is indoors.

Friday, April 13, 1:43 p.m.: The National Weather Service in Honolulu has issued a Flood Advisory for Hawai‘i County until 4:45 p.m.

At 1:39 PM HST, radar indicated thunderstorms with very heavy rain from Waimea to Saddle Road Junction to near Miloli‘i.

These thunderstorms were nearly stationary and will cause flooding of low–lying and poor drainage areas.

Locations in the advisory include but are not limited to Hilo, Kailua-Kona, Pa‘auilo, Waipio Valley, Orchidlands Estates, Kukuihaele, Pepe‘ekeo, Kea‘au, Honaunau, Kamuela, Kahaluu-Keauhou and Honoka‘a.

PRECAUTIONARY/PREPAREDNESS ACTIONS

Stay away from streams, drainage ditches and low lying areas prone to flooding.

Rainfall and runoff will also cause hazardous driving conditions due to ponding, reduced visibility and poor braking action.

Friday, April 13, noon: The National Weather Service forecasts the possibility of heavy rains, thunderstorms and strong trade winds for Hawaii Island from tonight through the weekend. High Surf is expected for Kohala, Hāmākua, Hilo and Puna Districts starting tomorrow.

Due to the forecast conditions, the following are issued:

  • Residents in flood-prone areas are advised to be on the alert for possible flooding conditions.
  • Motorists are advised to exercise caution while driving. Road closures may occur without notice.
  • Remember, if lightning does threaten your area, the safest place to be is indoors.
  • Take measures to secure items around your property that may be affected by strong winds. Complete all preparations before nightfall.

The Department of Public Works reports Waipi’o Valley Road is now open to all traffic.

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