Flood Advisory in effect and current update, 18 August 2018

Accessed on 19 August 2018, 0233 UTC, Post #17452.


Email message from the Hawaii Count Civil Defense Agency.


I was one of several motorists caught on the Hamakua Belt Highway early this afternoon when a powerful thunderstorm, lightning, and flooding accompanied me home.  The experience was a bit disturbing, considering the lack of visibility, the high wind gusts, and minor washouts along the road.  When I arrived home, I found out that a flood advisory took effect the minute I left Hilo for my home in Laupahoehoe.  So much for avoiding trouble on the road.  My fellow motorists did well considering the speed of the storm and the sudden deterioration of driving conditions.  The “swim” home wasn’t pleasant.

Here is the current flood advisory message from the Hawaii County Civil Defense Agency:

“MEDIA UPDATE                                                                     Time: 2:45 pm

                                                                  Update: 4


Incident: Flood Warning Cancelation for Hawaii Island


This is a Civil Defense message for Saturday August 18, 2018 at 3:00pm.


The National Weather Service has cancelled the Flood Warning and issued a flash flood advisory for the following areas but not limited to Hilo, Hawaiian Acres, Orchidlands Estates, Glenwood, Pepeekeo, Keaau, Volcano, Pahala, Wood Valley, Paradise Park, and Pahoa, Hawaii County.


Rains are occurring during this period, grounds are already soaked in many areas, be on the alert for ponding water, runoffs, and landslides.


Due to the forecast conditions, the following are issued:


  • Residents in flood-prone areas are advised to be on the alert for possible ponding waters, runoffs along roadways and landslides.
  • 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.


You will be updated of any changes in conditions that may affect your safety.


Have a safe weekend. This is your Hawai’i County Civil Defense Agency.”

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Until next time,

Russ Roberts