[Tropical] Hurricane Local Statement

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WTHW80 PHFO 211724
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Hurricane Lane Local Statement Advisory Number 27
National Weather Service Honolulu HI  EP142018
724 AM HST Tue Aug 21 2018

This product covers the Hawaiian islands

**HURRICANE LANE WILL MAKE A TURN TOWARD THE ISLANDS THIS WEEK AND
COULD BE A MAJOR THREAT TO THE STATE**

NEW INFORMATION
---------------

* CHANGES TO WATCHES AND WARNINGS:
    - None

* CURRENT WATCHES AND WARNINGS:
    - A Hurricane Watch is in effect for Big Island Interior, Big
      Island North and East, Big Island Summits, Haleakala Summit,
      Kahoolawe, Kohala, Kona, Lanai Makai, Lanai Mauka, Leeward
      Haleakala, Maui Central Valley, Maui Leeward West, Maui
      Windward West, Molokai Leeward, Molokai Windward, South Big
      Island, and Windward Haleakala

* STORM INFORMATION:
    - About 620 miles southeast of Honolulu or about 430 miles
      south-southeast of Hilo
    - 14.1N 152.3W
    - Storm Intensity 150 mph
    - Movement West or 275 degrees at 12 mph

SITUATION OVERVIEW
------------------

Hurricane Lane is passing to the south-southeast of the Big Island
this morning and is expected to make a turn toward the islands
Wednesday into Thursday.

The onset of damaging tropical storm force winds on the Big Island
could be as early as Wednesday, with dangerous hurricane force winds
possible by Wednesday night. On Maui county, damaging tropical storm
force winds could begin as early as Wednesday night, with dangerous
hurricane force winds possible starting on Thursday. Hurricane Watches
may be needed for other areas as Lane draws closer.

Bands of intense showers and thunderstorms surrounding Lane will begin
to overspread the state from south to north, reaching the Big Island
late tonight or Wednesday morning. Excessive rainfall is possible which
could lead to major flash flooding, landslides and mudslides. Flooding
can occur even in areas not usually prone to flooding. Storm total
rainfall amounts greater than 20 inches are possible.

Swell generated by Lane could bring very large and rough surf and
dangerous rip currents for south and southeast facing shores.

Tornadoes and large waterspouts will be possible associated with Lane,
mainly along and to the right of the track of the hurricane.

POTENTIAL IMPACTS
-----------------

* WIND:
Prepare for life-threatening wind having possible extensive impacts
across Oahu, Maui, Molokai, Lanai and the Big Island. Potential impacts
in this area include:
    - Considerable roof damage to sturdy buildings, with some having
      window, door, and garage door failures leading to structural
      damage. Mobile homes severely damaged, with some destroyed.
      Damage accentuated by airborne projectiles. Locations may be
      uninhabitable for weeks.
    - Many large trees snapped or uprooted along with fences and
      roadway signs blown over.
    - Some roads impassable from large debris, and more within urban
      or heavily wooded places. Several bridges, causeways, and
      access routes impassable.
    - Large areas with power and communications outages.

Also, prepare for dangerous wind having possible significant impacts on
Kauai and Niihau.

* FLOODING RAIN:
Prepare for life-threatening rainfall flooding having possible
devastating impacts across the main Hawaiian islands. Potential impacts
include:
    - Extreme rainfall flooding may prompt numerous evacuations and
      rescues.
    - Rivers and tributaries may overwhelmingly overflow their banks
      in many places with deep moving water. Small streams, creeks,
      canals, arroyos, and ditches may become raging rivers. In
      mountain areas, deadly runoff may rage down valleys while
      increasing susceptibility to rockslides and mudslides. Flood
      control systems and barriers may become stressed.
    - Flood waters can enter numerous structures within multiple
      communities, some structures becoming uninhabitable or washed
      away. Numerous places where flood waters may cover escape
      routes. Streets and parking lots become rivers of raging water
      with underpasses submerged. Driving conditions become very
      dangerous. Numerous road and bridge closures with some weakened
      or washed out.

* TORNADOES:
Prepare for a tornado event having possible limited impacts on Oahu,
Maui, Molokai, Lanai, and Kahoolawe. Potential impacts include:
    - The occurrence of isolated tornadoes can hinder the execution
      of emergency plans during tropical events.
    - A few places may experience tornado damage, along with power
      and communications disruptions.
    - Locations could realize roofs peeled off buildings, chimneys
      toppled, mobile homes pushed off foundations or overturned,
      large tree tops and branches snapped off, shallow-rooted trees
      knocked over, moving vehicles blown off roads, and small boats
      pulled from moorings.

PRECAUTIONARY/PREPAREDNESS ACTIONS
----------------------------------

* EVACUATIONS:
Listen to local officials for recommended preparedness actions, including
possible evacuation. If ordered to evacuate, do so immediately.

* OTHER PREPAREDNESS INFORMATION:
Now is the time to check your emergency plan and emergency supplies
kit and take necessary actions to protect your family and secure your
home or business.

When making safety and preparedness decisions, do not focus on the
exact forecast track since hazards such as flooding rain, damaging
wind gusts, and tornadoes extend well away from the center of the storm.

If in a place that is vulnerable to high wind, such as near large
trees, a manufactured home, upper floors of a high-rise building, or
on a boat, plan to move to safe shelter.

If you live in a place particularly vulnerable to flooding, such as
near the ocean or a large inland lake, in a low-lying or poor
drainage area, in a valley, or near an already swollen river, plan to
move to safe shelter on higher ground.

Always heed the advice of local officials and comply with orders that
are issued. Do not needlessly jeopardize your life or the lives of
others.

When securing your property, outside preparations should be concluded
as soon as possible before conditions deteriorate. The onset of
strong gusty winds or flooding can cause certain preparedness
activities to become unsafe.

Be sure to let friends and family members know of your intentions for
weathering the storm and your whereabouts. Have someone located away
from the threatened area serve as your point of contact. Share vital
contact information with others. Keep cell phones handy and charged.

Check on those who may not be fully aware of the situation or who are
unable to make personal preparations.

If you are a visitor, know the name of the island on which
you are located and where it is relative to current watches and
warnings. If staying at a hotel, ask the management staff about their
onsite disaster plan. Listen for evacuation orders, especially
pertaining to area visitors.

Closely monitor weather.gov, NOAA Weather Radio and local news
outlets for official storm information. Listen for possible changes
to the forecast.

There is a threat from tornadoes with this storm. Have multiple ways
to receive Tornado Warnings. Be ready to shelter quickly.

* ADDITIONAL SOURCES OF INFORMATION:
- For information on appropriate preparations see ready.gov
- For information on creating an emergency plan see getagameplan.org
- For additional disaster preparedness information see redcross.org

NEXT UPDATE
-----------

The next local statement will be issued by the National Weather
Service in Honolulu HI around noon HST, or sooner if conditions
warrant.

$$

R Ballard
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