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Hawaii, South Big Island

Flash Flood Warning

Statement as of 4:55 PM HST on July 23, 2016

Expires 2:00 AM EDT on July 24, 2016


The National Weather Service in Honolulu has extended the

* Flash Flood Warning for...
the island of Hawaii in Hawaii County

* until 800 PM HST

* at 445 PM HST... radar showed that a new band of heavy rain has
developed with rain moving onshore to the puna district from the
south. This band is expected to move slowly westward and spread
into the Kau district. Runoff from earlier rain above kawa flats
means that Highway 11 at that location may be vulnerable to
closure with any significant additional rainfall.

* Locations in the warning include but are not limited to...
Hilo... Pahoa... Mountain View... Glenwood...
Hawaii Volcanoes National Park... Wood Valley... Pahala...
Naalehu and kawa flats.


Precautionary/preparedness actions...

A Flash Flood Warning means that flooding in imminent or occurring in
streams... roads... and low lying areas. Move to higher ground now.

Do not cross fast flowing water in your vehicle... or on foot. Turn
around... Don/T drown.


This warning may need to be extended beyond 800 PM HST if heavy rain
persists.

Lat... Lon 1897 15572 1904 15588 1940 15562 2001 15526
      1985 15509 1974 15510 1974 15500 1965 15499
      1953 15481 1948 15482 1934 15499 1927 15516
      1927 15529 1913 15551 1899 15559 1891 15568


Kodama



Flash Flood Watch, High Surf Warning

Statement as of 6:05 PM HST on July 23, 2016


... Flash Flood Watch remains in effect through Sunday afternoon...

The Flash Flood Watch continues for

* Kahoolawe... Lanai... Maui... Molokai and The Big Island

* through Sunday afternoon.

* Passing rainbands will bring periods of showers. There is a
chance for intense downpours or thunderstorms to develop
tonight... mainly near The Big Island... spreading to Maui County
late tonight. If heavier storms develop... they could cause
significant flash flooding. Storm total rainfall amounts of 8 to
12 inches... with isolated amounts up to 15 inches in higher
terrain... are possible.

* In addition to flood prone areas... heavy rain events of this
size may cause flooding in areas outside designated flood zones. Low
spots in roads can become dangerous and impassable due to severe
runoff. High amounts of debris in streams and gulches may clog
bridges and culverts resulting in dangerous flooding which could
occur outside the normal channels... and could also lead to
significant property damage.

Precautionary/preparedness actions...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is very dangerous.

You should monitor later forecasts and get prepared for flash
flooding this weekend. Never drive into areas where water covers
the Road. Turn around... Don/T drown.





408 PM HST Sat Jul 23 2016

... High surf warning now in effect until 6 PM HST Sunday for east
facing shores of The Big Island and Maui...

* surf... 15 to 20 feet tonight... lowering to 10 to 15 feet Sunday.

* Timing... through 6 PM HST Sunday.

* Impacts... very high... expect ocean water surging and sweeping
across beaches... coastal benches... and lava flows creating the
potential for impacts to coastal properties and
infrastructure... including roadways. Powerful longshore and
rip currents will be present at most beaches. Large breaking
waves and strong currents may impact Harbor entrances and
channels causing challenging boat handling.

Precautionary/preparedness actions...

Large breaking surf... significant shorebreak... and dangerous
currents make entering the water very hazardous. Anyone entering
the water could face significant injury or death.





Tropical Storm Warning

Statement as of 5:55 PM HST on July 23, 2016

Expires 8:00 AM EDT on July 24, 2016


... Tropical Storm Warning remains in effect...

... Precautionary/preparedness actions...
precautionary/preparedness actions...

Secure outdoor objects which can be blown around and cause
additional damage. Tropical storms can bring very heavy rain
leading to flash flooding. People near streams... rivers... and low-
lying flood prone areas are urged to be especially alert to flash
flooding.


... Inland flooding...
passing rainbands will bring periods of showers. There is a chance
for intense downpours or thunderstorms to develop tonight... mainly
near The Big Island tonight... spreading to Maui County overnight...
and then to Oahu and Kauai on Sunday. If heavier storms develop...
they could cause significant flash flooding. Storm total rainfall
amounts of 8 to 12 inches... with isolated amounts up to 15 inches
in higher terrain... are possible. See the Flash Flood Watch for more
details.

... Winds...
localized damaging winds of 30 to 40 mph can be expected with
Darby... along with gusts of 50 to 60 mph or greater. These winds
are most likely over mountainous terrain... through passes...
and to the west or southwest of the mountains where winds will
be blowing downslope.

Loose items... such as garbage cans and outdoor furniture... will
be blown around. Newly planted or Young trees and shrubs may be
uprooted if not secured properly. Isolated power outages will be
possible.

... Storm surge and storm tide...
surf along east facing shores of The Big Island and Maui will be
15 to 20 feet tonight and lower to 10 to 15 feet on Sunday. Surf
along east facing shores of Kauai... Oahu... and Molokai will be
10 to 14 feet tonight and lower to 6 to 9 feet on Sunday. See the
high surf product for more details.

... Probability of tropical storm/hurricane conditions...
the chance for tropical storm conditions is 40 percent at Lihue...
46 percent at Honolulu... 34 percent at Kaunakakai... 50 percent
at Lanai City... 28 percent at Kahului... and 18 percent at Hana.
Wind conditions will continue to improve on The Big Island
overnight.

R Ballard



Weather Severe Map
Alaska - Areal Flood Warning , Areal Flood Advisory , Special Statement
Arizona - Record Report
Arkansas - Heat Advisory , Record Report
California - Heat Advisory , Fire Weather Warning , Record Report
Colorado - Special Statement , Record Report , Public Information Statement
Connecticut - Record Report
Delaware - Heat Advisory , Excessive Heat Warning , Public Information Statement
Hawaii - Tropical Storm Warning , Flash Flood Warning , Flash Flood Watch , Flash Flood Watch, High Surf Advisory , Flash Flood Watch, High Surf Warning , High Surf Advisory
Illinois - Areal Flood Warning , Areal Flood Advisory , Excessive Heat Warning , Special Statement , Air Quality Alert , Public Information Statement
Indiana - Heat Advisory , Special Statement , Special Statement, Air Quality Alert
Iowa - Record Report , Public Information Statement
Kansas - Excessive Heat Warning , Special Statement , Record Report
Kentucky - Heat Advisory , Excessive Heat Warning
Louisiana - Record Report
Maryland - Heat Advisory , Public Information Statement
Michigan - Special Statement , Record Report
Minnesota - Flash Flood Watch , Special Statement , Record Report , Public Information Statement
Mississippi - Heat Advisory
Missouri - Heat Advisory , Excessive Heat Warning , Public Information Statement
Nebraska - Record Report , Public Information Statement
Nevada - Record Report
New Jersey - Heat Advisory , Excessive Heat Warning , Excessive Heat Watch , Record Report , Public Information Statement
New York - Excessive Heat Watch , Record Report
North Carolina - Heat Advisory , Air Quality Alert
Ohio - Heat Advisory , Excessive Heat Warning
Oklahoma - Heat Advisory , Record Report
Pennsylvania - Heat Advisory , Excessive Heat Warning , Record Report , Public Information Statement
South Carolina - Heat Advisory
South Dakota - Record Report
Tennessee - Heat Advisory
Texas - Heat Advisory , Record Report
Utah - Record Report
Virginia - Heat Advisory
Wisconsin - Heat Advisory , Record Report , Public Information Statement
Wyoming - Special Statement , Record Report

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