[Tropical] Hurricane Local Statement

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LAZ039-040-049-050-056>072-MSZ077-080>082-071945-

Hurricane Nate Local Statement Advisory Number 12
National Weather Service New Orleans LA  AL162017
637 AM CDT Sat Oct 7 2017

This product covers Southeast Louisiana and South Mississippi

**Hurricane Nate Continues to Race to the North-Northwest**

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

* CHANGES TO WATCHES AND WARNINGS:
    - None

* CURRENT WATCHES AND WARNINGS:
    - A Storm Surge Warning, Tropical Storm Warning, and Hurricane
      Watch are in effect for Lower Lafourche and Lower Terrebonne
    - A Tropical Storm Warning is in effect for Ascension,
      Livingston, Northern Tangipahoa, Pearl River, and Washington
    - A Storm Surge Warning and Hurricane Warning are in effect for
      Hancock, Harrison, Jackson, Lower Jefferson, Lower Plaquemines,
      Lower St. Bernard, Orleans, Southern Tangipahoa, St. Charles,
      St. John The Baptist, St. Tammany, Upper Plaquemines, and Upper
      St. Bernard
    - A Hurricane Warning is in effect for Upper Jefferson
    - A Tropical Storm Warning and Hurricane Watch are in effect for
      Assumption, St. James, Upper Lafourche, and Upper Terrebonne

* STORM INFORMATION:
    - About 430 miles south-southeast of New Orleans LA or about 430
      miles south-southeast of Gulfport MS
    - 24.5N 87.0W
    - Storm Intensity 80 mph
    - Movement North-northwest or 340 degrees at 22 mph

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

...OVERVIEW...At 0430 AM CDT, Nate was continuing to move to the
north-northwest near 22 mph and is expected to continue on this
general heading into this evening. The main impacts across
southeast Louisiana and south Mississippi will be damaging winds
and storm surge flooding along the immediate coast and tidal
locations.

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

* SURGE:
Protect against life-threatening surge having possible extensive
impacts across coastal and tidal locations in both Southeast
Louisiana and Mississippi including the shores of Lake Pontchartrain
outside of the hurricane risk reduction system.

Potential impacts in this area include:
    - Large areas of deep inundation with storm surge flooding
      accentuated by battering waves. Structural damage to buildings,
      with several washing away. Damage compounded by floating
      debris. Locations may be uninhabitable for an extended period.
    - Large sections of near-shore escape routes and secondary roads
      washed out or severely flooded. Flood control systems and
      barriers may become stressed.
    - Severe beach erosion with significant dune loss.
    - Major damage to marinas, docks, boardwalks, and piers. Many
      small craft broken away from moorings, especially in
      unprotected anchorages with some lifted onshore and stranded.

Elsewhere across Southeast Louisiana and South Mississippi, little to
no impact is anticipated.

* WIND:
Protect against life-threatening wind having possible extensive
impacts across extreme Southeast Louisiana and coastal Mississippi.

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 portions of Southeast Louisiana mainly
along and east of the Interstate 55 corridor including metro New
Orleans...River Parishes...and Bayou Region near Houma.

* FLOODING RAIN:
Protect against locally hazardous rainfall flooding having possible
limited impacts across coastal Mississippi and portions of Southeast
Louisiana mainly east of the Interstate 55 corridor.

Potential impacts include:
    - Localized rainfall flooding may prompt a few evacuations.
    - Rivers and tributaries may quickly rise with swifter currents.
      Small streams, creeks, canals, bayous, and ditches may become
      swollen and overflow in spots.
    - Flood waters can enter a few structures, especially in usually
      vulnerable spots. A few places where rapid ponding of water
      occurs at underpasses, low-lying spots, and poor drainage
      areas. Several storm drains and retention ponds become
      near-full and begin to overflow. Some brief road and bridge
      closures.

Elsewhere across Southeast Louisiana and South Mississippi, little to
no impact is anticipated.

* TORNADOES:
Protect against a tornado event having possible limited impacts
across portions of extreme Southeast Louisiana and coastal
Mississippi.

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.

Elsewhere across Southeast Louisiana and South Mississippi, little to
no impact is anticipated.

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

* EVACUATIONS:

For those under evacuation orders, leave as soon as practical with a
destination in mind. Gas up your vehicle well ahead of time. Be sure
that you take all essential materials from your emergency supplies kit.
Let others know where you are going and when you intend to arrive.

For those not under evacuation orders, understand that there are inherent
risks to evacuation (such as traffic congestion, accidents, and driving
in bad weather), so evacuate only if necessary. Help keep roadways open
for those that are under evacuation orders.

If you are exceptionally vulnerable to wind or water hazards from
tropical systems, consider voluntary evacuation, especially if being
officially recommended. Relocate to a predetermined shelter or safe
destination.

If evacuating away from the area or relocating to a nearby shelter,
leave early before weather conditions become hazardous.

* OTHER PREPAREDNESS INFORMATION:
 Now is the time to bring to completion all preparations to protect
life and property in accordance with your emergency plan.

Outside preparations should be wrapped up as soon as possible before
weather conditions completely deteriorate. Any remaining evacuations
and relocations should be expedited before the onset of tropical
storm force wind.

Keep cell phones well charged and handy. Also, cell phone chargers
for automobiles can be helpful after the storm. Locate your chargers
and keep them with your cell phone.

If you are a visitor and still in the area, listen for the name of
the city or town in which you are staying within local news updates.
Be sure you know the name of the county or parish in which it
resides. Pay attention for instructions from local authorities.

Closely monitor NOAA Weather radio or other local news outlets for
official storm information. Be ready to adapt to possible changes to
the forecast.

* 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 New Orleans LA around 11 AM CDT, or sooner if conditions
warrant.

$$
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