[Tropical] Hurricane Local Statement

EMWIN Server emwin at nashvilleweather.net
Wed Aug 30 20:01:00 CDT 2017


WTUS84 KLCH 310100
HLSLCH
LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-259>262-310900-

Tropical Depression Harvey Local Statement
Intermediate Advisory Number 42A
National Weather Service Lake Charles LA  AL092017
800 PM CDT Wed Aug 30 2017

This product covers SOUTHWEST LOUISIANA AND SOUTHEAST TEXAS

**FLOODING RAINS CONTINUING OVER EXTREME EASTERN TEXAS AND WESTERN
LOUISIANA**

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

* CHANGES TO WATCHES AND WARNINGS:
    - The Storm Surge Watch has been cancelled for Jefferson
    - The Tropical Storm Warning has been cancelled for Lower St.
      Martin
    - The Storm Surge Warning and Tropical Storm Warning have been
      cancelled for East Cameron, Iberia, St. Mary, Vermilion, and
      West Cameron

* CURRENT WATCHES AND WARNINGS:
    - None

* STORM INFORMATION:
    - About 10 miles southwest of Alexandria LA
    - 31.2N 92.6W
    - Storm Intensity 35 mph
    - Movement North-northeast or 20 degrees at 8 mph

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

As of 7 PM CDT, Harvey has been downgraded to a Tropical Depression
over Central Louisiana with maximum sustained winds of 35 mph.
Harvey is expected to continue moving to the northeast at around
8 mph the rest of tonight.

All tropical storm warnings have been discontinued. A wind advisory
has been issued for the entire area through 1 am tonight primarily
for periodic gusts near 35 mph.

Additional rainfall amounts of 1 to 3 inches, with locally higher
amounts, are possible the rest of tonight across parts of interior
East Texas into Central Louisiana.  A flash flood watch remains in
effect for these areas.

Storm surge of 1 to 2 feet above ground level is possible late tonight
at the time of astronomical high tide along the South Central Louisiana
coast.

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

* FLOODING RAIN:
Potential impacts from the flooding rain are still unfolding across
Interior East Texas into parts of Western and Central Louisiana.
Remain well guarded against life-threatening flood waters having
additional devastating impacts.
If realized, these 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.

Catastrophic to devastating impacts from the flooding rain are still
ongoing across Southeast Texas.

* WIND:
Wind gusts to near 35 mph are still possible across the area, and could
result isolated power outages and fallen trees.

* SURGE:
Potential impacts from the main surge event are now unfolding across
Coastal South Central Louisiana. Remain well away from locally hazardous
surge having additional limited impacts. If realized, these impacts
include:
    - Localized inundation with storm surge flooding mainly along
      immediate shorelines and in low-lying spots, or in areas
      farther inland along rivers and bayous that drain into the Gulf.
    - Sections of roads and parking lots near bodies of water may
      become overspread with surge water. Driving conditions
      dangerous in places where surge water covers the road.
    - Moderate beach erosion. Heavy surf also breaching dunes, mainly
      in usually vulnerable locations. Strong rip currents.
    - Minor to locally moderate damage to marinas, docks, and piers.
      A few small craft broken away from moorings.

Elsewhere across SOUTHWEST LOUISIANA AND SOUTHEAST TEXAS, little to
no impact is anticipated.

* TORNADOES:
Potential impacts from tornadoes are still unfolding across East
Central Louisiana. 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 SOUTHWEST LOUISIANA AND SOUTHEAST TEXAS, little to
no impact is anticipated.

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

* EVACUATIONS:

Do not return to evacuated areas until hazardous winds diminish
and flood waters abate.

* OTHER PREPAREDNESS INFORMATION:

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 Lake Charles LA around 11 PM CDT, or sooner if conditions
warrant.

$$

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