South Big Island Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Flash Flood Watch, High Surf Advisory
Issued: 3:18 AM HST Oct. 19, 2018 – National Weather Service

... Flash Flood Watch in effect for The Big Island through
Saturday afternoon...

The National Weather Service in Honolulu has issued a

* Flash Flood Watch for The Big Island.

* Through Saturday afternoon.

* An approaching upper level disturbance will further destabilize
the air mass, with abundant low-level moisture already in place.
Slow-moving and persistent heavy showers and thunderstorms will
bring the threat of flash flooding.

* Heavy rainfall could result in low spots in roads becoming
dangerous and impassible due to severe runoff. Debris in streams
and gulches could clog bridges and culverts resulting in
dangerous flooding. Isolated landslides could also occur.

Precautionary/preparedness actions...

A Flash Flood Watch means that conditions are favorable for 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 if a Flash
Flood Warning is issued. If you experience heavy rain or rising
water, head to higher ground immediately.





316 am HST Fri Oct 19 2018

... High surf advisory for south facing shores in effect from 6 PM
this evening to 6 PM HST Monday...

The National Weather Service in Honolulu has issued a high surf
advisory, which is in effect from 6 PM this evening to 6 PM HST
Monday.

* Surf... increasing to 8 to 12 feet, with locally higher sets
possible.

* Timing... gradually building today and tonight, and peaking over
the weekend.

* Impacts... moderate... expect strong breaking waves, shore break,
and rip currents making swimming difficult and dangerous.

Precautionary/preparedness actions...

Beachgoers, swimmers, and surfers should heed all advice given by
ocean safety officials and exercise caution. Know your limits and
seek ocean recreation areas best suited for your abilities. Boaters
should expect recreational surfers and body boarders utilizing Harbor
channels to access surfing areas.



Birchard


Flash Flood Watch, High Surf Advisory
Issued: 3:18 AM HST Oct. 19, 2018 – National Weather Service

... Flash Flood Watch in effect for The Big Island through
Saturday afternoon...

The National Weather Service in Honolulu has issued a

* Flash Flood Watch for The Big Island.

* Through Saturday afternoon.

* An approaching upper level disturbance will further destabilize
the air mass, with abundant low-level moisture already in place.
Slow-moving and persistent heavy showers and thunderstorms will
bring the threat of flash flooding.

* Heavy rainfall could result in low spots in roads becoming
dangerous and impassible due to severe runoff. Debris in streams
and gulches could clog bridges and culverts resulting in
dangerous flooding. Isolated landslides could also occur.

Precautionary/preparedness actions...

A Flash Flood Watch means that conditions are favorable for 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 if a Flash
Flood Warning is issued. If you experience heavy rain or rising
water, head to higher ground immediately.





316 am HST Fri Oct 19 2018

... High surf advisory for south facing shores in effect from 6 PM
this evening to 6 PM HST Monday...

The National Weather Service in Honolulu has issued a high surf
advisory, which is in effect from 6 PM this evening to 6 PM HST
Monday.

* Surf... increasing to 8 to 12 feet, with locally higher sets
possible.

* Timing... gradually building today and tonight, and peaking over
the weekend.

* Impacts... moderate... expect strong breaking waves, shore break,
and rip currents making swimming difficult and dangerous.

Precautionary/preparedness actions...

Beachgoers, swimmers, and surfers should heed all advice given by
ocean safety officials and exercise caution. Know your limits and
seek ocean recreation areas best suited for your abilities. Boaters
should expect recreational surfers and body boarders utilizing Harbor
channels to access surfing areas.



Birchard


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