[Tropical] Hurricane Local Statement

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LAZ039-040-049-050-056>072-MSZ077-080>082-070000-

Tropical Storm Nate Local Statement Advisory Number 9
National Weather Service New Orleans LA  AL162017
1052 AM CDT Fri Oct 6 2017

This product covers Southeast Louisiana and South Mississippi

...Hurricane and Storm Surge Warnings are now in effect for
Southeast Louisiana and coastal Mississippi...

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

* CHANGES TO WATCHES AND WARNINGS:
    - The Hurricane Watch has been upgraded to a Hurricane Warning
      and the Storm Surge Watch has been upgraded to a Storm Surge
      Warning for Hancock, Harrison, Jackson, Lower Jefferson, Lower
      Plaquemines, and Lower St. Bernard
    - The Storm Surge Watch has been upgraded to a Storm Surge
      Warning and a Tropical Storm Warning have been issued for Lower
      Lafourche, Lower Terrebonne, Orleans, Southern Tangipahoa, St.
      Charles, St. John The Baptist, St. Tammany, and Upper St.
      Bernard
    - A Tropical Storm Warning has been issued for Ascension,
      Assumption, Livingston, Northern Tangipahoa, Pearl River, St.
      James, Upper Jefferson, Upper Lafourche, Upper Plaquemines,
      Upper Terrebonne, and Washington

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

* STORM INFORMATION:
    - About 840 miles south-southeast of New Orleans LA or about 850
      miles south-southeast of Gulfport MS
    - 18.7N 85.0W
    - Storm Intensity 50 mph
    - Movement North-northwest or 340 degrees at 21 mph

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

At 1000 AM CDT, Tropical Storm Nate is moving toward the north-
northwest near 14 mph and is expected to continue on this general
heading through Sunday. The main impact across southeast Louisiana
and south Mississippi will be damaging winds and storm surge flooding along
the immediate coast and tidal locations.

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

* WIND:
Protect against life-threatening wind having possible extensive
impacts across coastal Mississippi and extreme Southeast Louisiana.
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 much of southeast Louisiana away from
the coast.

* SURGE:
Protect against life-threatening surge having possible extensive
impacts across coastal and tidal locations generally from Grand Isle eastward
through the Mississippi coast.

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.

* FLOODING RAIN:
Protect against locally hazardous rainfall flooding having possible
limited impacts across Southeast Louisiana and South Mississippi.
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.

* TORNADOES:
Protect against a tornado event having possible limited impacts
across 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.

* 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.

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 5 pm CDT, or sooner if conditions
warrant.

$$

24/RR
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