[Tropical] Hurricane Local Statement

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Hurricane Ida Local Statement Intermediate Advisory Number 16A
National Weather Service New Orleans LA  AL092021
Issued by National Weather Service Jacksonville FL
211 AM CDT Mon Aug 30 2021

This product covers Southeast Louisiana and South Mississippi

**Hurricane Ida moves farther inland with life-threatening conditions
ongoing across Southeast Louisiana and Southern Mississippi**

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

* CHANGES TO WATCHES AND WARNINGS:
    - None

* CURRENT WATCHES AND WARNINGS:
    - A Hurricane Warning is in effect for Amite, East Baton Rouge,
      East Feliciana, Iberville, Northern Tangipahoa, Pike, Pointe
      Coupee, St. Helena, Walthall, Washington, West Baton Rouge,
      West Feliciana, Western Orleans, and Wilkinson
    - A Storm Surge Warning and Hurricane Warning are in effect for
      Ascension, Assumption, Eastern Orleans, Livingston, Lower
      Jefferson, Lower Lafourche, Lower Plaquemines, Lower St.
      Bernard, Lower Terrebonne, Northwest St. Tammany, Southeast St.
      Tammany, Southern Tangipahoa, St. Charles, St. James, St. John
      The Baptist, Upper Jefferson, Upper Lafourche, Upper
      Plaquemines, Upper St. Bernard, and Upper Terrebonne
    - A Storm Surge Warning and Tropical Storm Warning are in effect
      for Hancock, Harrison, and Jackson
    - A Tropical Storm Warning is in effect for Pearl River

* STORM INFORMATION:
    - About 50 miles northwest of New Orleans LA or about 100 miles
      west of Gulfport MS
    - 30.6N 90.8W
    - Storm Intensity 75 mph
    - Movement North or 355 degrees at 9 mph

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

Hurricane Ida will continue to push farther inland through the night.
A continuation of significant and life threatening impacts are
expected into this morning. These conditions will slowly and gradually
improve as Ida moves farther inland and away from the area through the
day today.

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

* SURGE:
Protect against life-threatening surge having possible catastrophic
impacts across all of coastal southeast Louisiana and portions of
coastal Mississippi west of Pass Christian. These life-threatening
impacts are expected to occur through tonight into Monday. Potential
impacts in this area 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.

Also, protect against life-threatening surge having possible
significant to devastating impacts across portions of coastal
Mississippi east of Pass Christian and along the shores of Lake
Pontchartrain outside of the hurricane levee protection and Lake
Maurepas. These life-threatening impacts are expected to occur today
into Monday.

* FLOODING RAIN:
Protect against life-threatening rainfall flooding having possible
devastating impacts across most of Southeast Louisiana including the
Baton Rouge, New Orleans, and Houma metro areas as well as portions of
coastal Mississippi mainly west of Biloxi. These life-threatening
rainfall impacts will continue through Monday.
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, and ditches may become raging rivers. 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.

Protect against life-threatening rainfall flooding having possible
extensive impacts across the remainder of Southeast Louisiana,
Southwest Mississippi, and Coastal Mississippi. These life-threatening
impacts will continue through Monday.

* WIND:
Protect against life-threatening wind having possible devastating
impacts across portions of Southeast Louisiana as well as portions
of Southwest Mississippi. These life-threatening wind impacts
will continue through tonight into Monday. 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 life-threatening wind having possible limited
to extensive impacts across coastal Mississippi, portions of the
Northshore including the cities of Slidell and Bogalusa, portions of
Southwest Mississippi including the city of Tylertown, and areas
along the Atchafalaya River west of Baton Rouge. These life-
threatening wind impacts are expected to continue through tonight into
Monday.

* TORNADOES:
Potential impacts from tornadoes continue to unfold across coastal
Mississippi. Remain well braced against a dangerous tornado event
having possible significant 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.

Potential impacts from tornadoes continue to unfold across all of
Southeast Louisiana and Southwest Mississippi. Remain well braced
against a tornado event having possible limited impacts.

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

* EVACUATIONS:
Do not enter evacuated areas until officials have given the all clear
to return.

* OTHER PREPAREDNESS INFORMATION:
Now is the time to stay inside and away from windows. Listen for
updates and be ready in case you lose electrical power. Keep a
battery-powered radio, charged cell phone and flashlight handy.

During the peak of the storm be ready to move quickly. Keep your
shoes on and rain gear handy. Boots and athletic shoes offer the best
foot protection if you become unexpectedly exposed to the weather.

Keep your cell phone charged and in power-saving mode. If you lose
power, use it sparingly and mainly for personal emergencies and
check-ins.

Do not venture outside while in the eye of a hurricane as any
improvement in weather will only be temporary. Once the eye passes,
conditions will become life threatening as winds immediately return
to dangerous speeds, so remain safely sheltered from the storm.

Do not be a thrill seeker or risk your life for senseless photos or
videos.

If you are prone to flooding or in an area under a storm surge watch
or warning, be prepared for the possibility of a quick and dramatic
rise in water levels.

If a tornado warning is issued for your area, quickly move to the
safest place within your shelter. Protect your head and body.

* 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 530 AM CDT, or sooner if conditions
warrant.

$$
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