[Tropical] Hurricane Local Statement

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Hurricane Lane Local Statement Advisory Number 34
National Weather Service Honolulu HI  EP142018
520 PM HST Wed Aug 22 2018

This product covers the Hawaiian islands

**DANGEROUS HURRICANE LANE TRACKING NORTHWEST AND ON COURSE TO PASS
VERY CLOSE TO THE ISLANDS THURSDAY AND FRIDAY**

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

* CHANGES TO WATCHES AND WARNINGS:
    - The Hurricane Watch has been upgraded to a Hurricane Warning
      for Central Oahu, Oahu Koolau, Oahu North Shore, Oahu South
      Shore, Olomana, Waianae Coast, and Waianae Mountains

* CURRENT WATCHES AND WARNINGS:
    - A Hurricane Watch is in effect for Kauai Leeward, Kauai
      Mountains, Kauai Windward, and Niihau
    - A Hurricane Warning is in effect for Big Island Interior, Big
      Island North and East, Big Island Summits, Central Oahu,
      Haleakala Summit, Kahoolawe, Kohala, Kona, Lanai Makai, Lanai
      Mauka, Leeward Haleakala, Maui Central Valley, Maui Leeward
      West, Maui Windward West, Molokai Leeward, Molokai Windward,
      Oahu Koolau, Oahu North Shore, Oahu South Shore, Olomana, South
      Big Island, Waianae Coast, Waianae Mountains, and Windward
      Haleakala

* STORM INFORMATION:
    - About 385 miles south-southeast of Honolulu or about 260 miles
      south of Kailua-Kona
    - 15.9N 156.5W
    - Storm Intensity 145 mph
    - Movement Northwest or 310 degrees at 8 mph

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

Major Hurricane Lane is passing roughly 220 miles south of the Big
Island this afternoon and has turned towards the northwest in line
with the Central Pacific Hurricane Center forecast. The center of Lane
will track dangerously close to the Hawaiian Islands from Thursday
through Saturday. Regardless of the exact track of the storm center,
life threatening impacts are likely over some areas as this strong
hurricane makes its closest approach. Just a reminder that impacts
from a hurricane extend far from the center of the storm and slight
changes to the forecast track this close to the islands will produce
rapid changes to the local forecast impacts.

The onset of damaging tropical storm-force winds on the Big Island
could by early Thursday morning, with dangerous hurricane force winds
possibly starting Thursday afternoon or Thursday night. In Maui
County, damaging winds could begin on Thursday, with dangerous
hurricane force winds possible starting Thursday night. On Oahu,
damaging winds could begin as early as Thursday night, with dangerous
hurricane force winds possible on Friday. Hurricane Warnings may need
to be expanded to include Kauai County as Lane draws closer.

Outer rain bands along with thunderstorms associated with Lane, have
moved onshore over portions of the Big Island. Bands of intense
showers and thunderstorms will continue to spread across the state
from the southeast towards the northwest tonight and Thursday.
Excessive rainfall is possible which could lead to deadly 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.

Swells generated by Lane will produce very large and rough surf, with
dangerous rip currents along south, southeast and southwest facing
shores. Large surf is likely occurring over southeast facing shores on
the Big Island. Surf is expected to increase tonight and Thursday
along southwest facing shores on the Big Island as well as along south
and southeast facing shores from Maui County to Kauai County.

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

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

* FLOODING RAIN:
Protect against 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.

* WIND:
Protect against life-threatening wind having possible extensive
impacts across Maui County, Oahu, and western and southern sections
of 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, protect against dangerous wind having possible limited to
significant impacts across the northern and eastern sections of
the Big Island and Kauai.

* SURGE:
Protect against life-threatening surge having possible significant
impacts across south and west facing coastlines. Potential impacts in
this area include:
    - Areas of inundation with storm surge flooding accentuated by
      waves. Damage to several buildings, mainly near the coast.
    - Sections of near-shore escape routes and secondary roads become
      weakened or washed out, especially in usually vulnerable low
      spots.
    - Major beach erosion with heavy surf breaching dunes. Strong and
      numerous rip currents.
    - Moderate damage to marinas, docks, boardwalks, and piers.
      Several small craft broken away from moorings, especially in
      unprotected anchorages.

Elsewhere across the Hawaiian islands, little to no impact is
anticipated.

* TORNADOES:
Protect against a tornado event having possible limited impacts
across the Hawaiian islands. 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 official for recommended preparedness actions, including
possible evacuation. If ordered to evacuate, do so immediately.

For those not under evacuation orders, assess the risk from wind, falling
trees, and flooding at your location. If you decide to move, relocate to a
safer location nearby. If you do not relocate, help keep roadways open for
those under evacuation orders.

If evacuating, leave with a destination in mind and allow extra time to get
there. Take your emergency supplies kit. Gas up your vehicle ahead of time.

Let others know where you are going prior to departure. Secure loose items
and pets in the car, and avoid distracted driving.

If evacuating, follow designated evacuation routes. Seek traffic information
on roadway signs, the radio, and from official sources.

* OTHER PREPAREDNESS INFORMATION:
Now is the time to complete all preparations to protect life and
property in accordance with your emergency plan. Ensure you are in a
safe location before the onset of strong winds or possible flooding.

If you are relocating to safe shelter, leave as early as possible.
Allow extra time to reach your destination. Many roads and bridges
will be closed once strong winds arrive. Check the latest weather
forecast before departing and drive with caution.

If heading to a community shelter, become familiar with the shelter
rules before arrival, especially if you have special needs or have
pets. Take essential items with you from your Emergency Supplies Kit.

Failure to adequately shelter may result in serious injury or loss of
life. Always heed the advice of local officials and comply with any
orders that are issued. Remember, during the storm 9 1 1 Emergency
Services may not be able to immediately respond if conditions are
unsafe. This should be a big factor in your decision making.

Keep cell phones well charged. Cell phone chargers for automobiles
can be helpful, but be aware of your risk for deadly carbon monoxide
poisoning if your car is left idling in a garage or other poorly
ventilated area.

It is important to remain calm, informed, and focused during an
emergency. Be patient and helpful with those you encounter.

If you are a visitor, be sure to know the name of the city or town in
which you are staying and the name of the county or parish in which
it resides. Listen for these locations in local news updates. Pay
attention for instructions from local authorities.

Storm surge is the leading killer associated with tropical storms and
hurricanes! Make sure you are in a safe area away from the surge
zone. Even if you are not in a surge-prone area, you could find
yourself cutoff by flood waters during and after the storm. Heed
evacuation orders issued by the local authorities.

Rapidly rising flood waters are deadly. If you are in a flood-prone
area, consider moving to higher ground. Never drive through a flooded
roadway. Remember, turn around don't drown!

If a Tornado Warning is issued for your area, be ready to shelter
quickly, preferably away from windows and in an interior room not
prone to flooding. If driving, scan the roadside for quick shelter
options.

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, consider moving to a safer shelter before the onset of
strong winds or flooding.

Closely monitor weather.gov, NOAA Weather radio or local news outlets
for official storm information. Be ready to adapt to possible changes
to the forecast. Ensure you have multiple ways to receive weather
warnings.

* 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 12 AM HST, or sooner if conditions
warrant.

$$
Burke
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