[Tropical] Hurricane Local Statement

EMWIN Server emwin at nashvilleweather.net
Wed Oct 7 16:29:12 CDT 2020


WTUS84 KLCH 072129
HLSLCH
LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-259>262-080530-

Hurricane Delta Local Statement Advisory Number 13
National Weather Service Lake Charles LA  AL262020
429 PM CDT Wed Oct 7 2020

This product covers Southwest Louisiana and Southeast Texas

**DELTA EXPECTED TO RE-STRENGTHEN TONIGHT AND THURSDAY WHILE MOVING
OVER THE SOUTHERN AND CENTRAL GULF OF MEXICO**


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

* CHANGES TO WATCHES AND WARNINGS:
    - A Tropical Storm Watch has been issued for Beauregard, Hardin,
      Northern Jasper, Northern Newton, Southern Jasper, Southern
      Newton, and Vernon
    - A Hurricane Watch has been issued for Avoyelles and Rapides

* CURRENT WATCHES AND WARNINGS:
    - A Tropical Storm Watch is in effect for Beauregard, Hardin,
      Northern Jasper, Northern Newton, Southern Jasper, Southern
      Newton, and Vernon
    - A Hurricane Watch is in effect for Allen, Avoyelles, Calcasieu,
      Evangeline, Lafayette, Orange, Rapides, St. Landry, and Upper
      St. Martin
    - A Storm Surge Watch and Hurricane Watch are in effect for
      Acadia, East Cameron, Iberia, Jefferson, Jefferson Davis, Lower
      St. Martin, St. Mary, Vermilion, and West Cameron

* STORM INFORMATION:
    - About 580 miles south-southeast of Cameron LA or about 530
      miles south-southeast of Morgan City LA
    - 22.1N 89.5W
    - Storm Intensity 85 mph
    - Movement Northwest or 305 degrees at 17 mph

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

At 400 PM CDT, the center of Hurricane Delta was located
north of the Yucatan Peninsula. Delta is moving toward the
northwest near 17 mph. A northwestward motion with a reduction
in forward speed is expected through early Thursday. A
north-northwestward motion is expected by late Thursday,
and a faster northward to north-northeastward motion is forecast
on Friday and Friday night.  On the forecast track, the
center of Delta will move over the southern and central Gulf of
Mexico through Thursday, and approach the northern Gulf coast within
the hurricane watch area on Friday.  Delta is forecast to move
inland within the hurricane watch area by late Friday or Friday
night.

Data from an Air Force Reserve Hurricane Hunter aircraft indicate
that the maximum sustained winds are near 85 mph with higher gusts.
Re-strengthening is forecast when the hurricane moves over the
southern and central Gulf of Mexico through Thursday, and
Delta is expected to become a major hurricane again.  Some weakening
is is forecast as Delta approaches the northern Gulf coast on
Friday.

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

* SURGE:
Prepare for life-threatening surge having possible devastating
impacts across coastal south central Louisiana. 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.
    - Escape routes and secondary roads washed out or severely
      flooded. Flood control systems and barriers may become stressed
      or overtopped.
    - Extreme beach erosion. New shoreline cuts possible.
    - Massive damage to marinas, docks, and piers. Numerous small
      craft broken away from moorings with many lifted onshore and
      stranded.

Also, prepare for life-threatening surge having possible significant
to extensive impacts across coastal southwest Louisiana.

Also, prepare for locally hazardous surge having possible limited
impacts across coastal southeast Texas.

Elsewhere across Southwest Louisiana and Southeast Texas, little to
no impact is anticipated.

* WIND:
Prepare for life-threatening wind having possible devastating impacts
across southwest and south central Louisiana. Potential impacts in
this area include:
    - Structural damage to sturdy buildings, some with complete roof
      and wall failures. Complete destruction of mobile homes. Damage
      greatly accentuated by large airborne projectiles. Locations
      may be uninhabitable for weeks or months.
    - Numerous large trees snapped or uprooted along with fences and
      roadway signs blown over.
    - Many roads impassable from large debris, and more within urban
      or heavily wooded places. Many bridges and access routes
      impassable.
    - Widespread power and communications outages.

Also, prepare for life-threatening wind having possible significant
to extensive impacts across central Louisiana, southwest Louisiana
and portions of southeast Texas.

* FLOODING RAIN:
Prepare for life-threatening rainfall flooding having possible
extensive impacts across Louisiana. Potential impacts include:
    - Major rainfall flooding may prompt many evacuations and rescues.
    - Rivers and tributaries may rapidly overflow their banks in
      multiple places. Small streams, creeks, canals, and ditches may
      become dangerous rivers. Flood control systems and barriers may
      become stressed.
    - Flood waters can enter many structures within multiple
      communities, some structures becoming uninhabitable or washed
      away. Many places where flood waters may cover escape routes.
      Streets and parking lots become rivers of moving water with
      underpasses submerged. Driving conditions become dangerous.
      Many road and bridge closures with some weakened or washed out.

Prepare for dangerous rainfall flooding having possible significant
impacts across southeast Texas.

* TORNADOES:
Prepare for a tornado event having possible limited impacts across
south central Louisiana. 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 Southwest Louisiana and Southeast Texas, little to
no impact is anticipated.

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.


* OTHER PREPAREDNESS INFORMATION:
Now is the time to check your emergency plan and emergency supplies
kit and take necessary actions to protect your family and secure your
home or business.

When making safety and preparedness decisions, do not focus on the
exact forecast track since hazards such as flooding rain, damaging
wind gusts, storm surge, and tornadoes extend well away from the
center of the storm.

If in a place that is vulnerable to high wind, such as near large
trees, a manufactured home, or on a boat, plan to move to safe shelter.

If you live in a place particularly vulnerable to flooding, such as
near the Gulf or a large inland lake, in a low-lying or poor
drainage area, or near an already swollen river, plan to
move to safe shelter on higher ground.

Always heed the advice of local officials and comply with orders that
are issued. Do not needlessly jeopardize your life or the lives of
others.

When securing your property, outside preparations should be concluded
as soon as possible before conditions deteriorate. The onset of
strong gusty winds or flooding can cause certain preparedness
activities to become unsafe.

Be sure to let friends and family members know of your intentions for
weathering the storm and your whereabouts. Have someone located away
from the threatened area serve as your point of contact. Share vital
contact information with others. Keep cell phones handy and charged.

Check on those who may not be fully aware of the situation or who are
unable to make personal preparations.

If you are a visitor, know the name of the county or parish in which
you are located and where it is relative to current watches and
warnings. If staying at a hotel, ask the management staff about their
onsite disaster plan. Listen for evacuation orders, especially
pertaining to area visitors.

Closely monitor weather.gov, NOAA Weather Radio and local news
outlets for official storm information. Listen for possible changes
to the forecast.

There is a threat from tornadoes with this storm. Have multiple ways
to receive Tornado Warnings. Be ready to shelter quickly.


* 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 Lake Charles LA around 10 PM CDT, or sooner if conditions
warrant.

$$

50
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