[Tropical] Hurricane Local Statement

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Hurricane Nate Local Statement Advisory Number 15
National Weather Service New Orleans LA  AL162017
1105 PM CDT Sat Oct 7 2017

This product covers Southeast Louisiana and South Mississippi

**Hurricane Nate approaching the Mississippi Coast**

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

* CHANGES TO WATCHES AND WARNINGS:
    - The Storm Surge Warning and Hurricane Warning have been
      cancelled and a Tropical Storm Warning has been issued for
      Lower Jefferson
    - The Tropical Storm Warning has been cancelled for Assumption,
      Lower Terrebonne, Upper Lafourche, and Upper Terrebonne
    - The Storm Surge Warning has been cancelled for Southern
      Tangipahoa, St. Charles, and St. John The Baptist
    - The Hurricane Warning has been cancelled and a Tropical Storm
      Warning has been issued for Lower Plaquemines and Lower St.
      Bernard
    - The Storm Surge Warning and Tropical Storm Warning have been
      cancelled for Lower Lafourche

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

* STORM INFORMATION:
    - About 70 miles east of New Orleans LA or about 30 miles south
      of Gulfport MS
    - 29.9N 89.1W
    - Storm Intensity 85 mph
    - Movement North or 360 degrees at 20 mph

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

...OVERVIEW...At 1000 PM CDT, Tropical Storm Nate is moving toward
the north near 20 mph and is expected to continue on this general
heading through tonight into early Sunday. 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:
Potential impacts from the main surge event are now unfolding across
the immediate Mississippi coast and across parts of Southeast
Louisiana east of the Mississippi River outside of the hurricane
risk reduction levee system including portions of Plaquemines,
St. Bernard, Orleans, and far Southeastern St. Tammany Parishes.
Remain well away from life-threatening surge having possible
devastating impacts.

If realized, these impacts include:
    - Widespread deep inundation, with storm surge flooding greatly
      accentuated by powerful battering waves. Structural damage to
      buildings, with many washing away. Damage greatly compounded
      from considerable floating debris. Locations may be
      uninhabitable for an extended period.
    - Near-shore escape routes and secondary roads washed out or
      severely flooded. Flood control systems and barriers may become
      stressed.
    - Extreme beach erosion. New shoreline cuts possible.
    - Massive damage to marinas, docks, boardwalks, and piers.
      Numerous small craft broken away from moorings with many lifted
      onshore and stranded.

Potential impacts from the main surge event are also now unfolding
across the immediate shoreline of Lake Pontchartrain and along the
Southeast Louisiana coast west of the Mississippi River to
Grand Isle. Remain well away from life-threatening surge having
possible significant to extensive impacts.

* WIND:
Potential impacts from the main wind event are now unfolding across
Mississippi coastal counties of Jackson, Harrison, and Hancock.
Remain well sheltered from life-threatening wind having possible
extensive impacts.

If realized, these impacts 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.

Potential impacts from the main wind event will continue across
inland areas of southern Mississippi mainly east of the Interstate
55 corridor including Pearl River County and parishes east of
Interstate 55 corridor in Southeast Louisiana including metro
New Orleans.. Remain well sheltered from dangerous wind having
possible limited to significant impacts.

* FLOODING RAIN:
Potential impacts from the flooding rain are still unfolding across
Southeast Louisiana and South Mississippi. Remain well guarded
against locally hazardous flood waters having possible limited impacts.
If realized, these impacts include:

    - Localized rainfall flooding may prompt a few evacuations.
    - Rivers and tributaries may quickly become swollen with swifter
      currents and overspill their banks in a few places, especially
      in usually vulnerable spots. Small streams, creeks, canals,
      bayous, and ditches overflow.
    - Flood waters can enter some structures or weaken foundations.
      Several places may experience expanded areas of rapid
      inundation at underpasses, low-lying spots, and poor drainage
      areas. Some streets and parking lots take on moving water as
      storm drains and retention ponds overflow. Driving conditions
      become hazardous. Some road and bridge closures.

* TORNADOES:
Potential impacts from tornadoes are still unfolding across the
Mississippi coastal counties. Remain well braced against a tornado
event having possible limited impacts. If realized, these 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:

IMMINENT/ONGOING PHASE - Do not return to evacuated areas until
hazardous winds diminish and flood waters abate.

* OTHER PREPAREDNESS INFORMATION:
Now is the time to remain safely sheltered from the storm. Stay
inside and away from windows. Listen for updates and be ready in case
you lose electrical power. Locate your battery powered radio and
flashlight from your Emergency Supplies Kit. Keep these items close.

During the peak of the storm, keep your shoes on and rain gear handy.
Boots and tennis shoes offer the best foot protection if you become
unexpectedly exposed to the elements.

Continue to keep your cell phone well charged for as long as
possible. If you lose power, use it more sparingly and mainly for
personal emergencies and check-ins. Do not overload communications
systems with idle chatter.

Do not venture outside while in the eye of a hurricane. Within the
eye, weather conditions may temporarily improve which can be
misleading. Once the eye passes, the wind will change direction and
return to dangerous speeds. Heavy rain will also return. Be smart and
remain safely hidden from the storm.

Do not be a thrill seeker or risk your life for senseless photos or
videos. Be wise and avoid becoming another statistic.

* 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 AM CDT, or sooner if conditions
warrant.

$$
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