[Tropical] Hurricane Local Statement

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Subtropical Storm Alberto Local Statement Advisory Number 2
National Weather Service New Orleans LA  AL012018
454 PM CDT Fri May 25 2018

This product covers Southeast Louisiana and South Mississippi

**TROPICAL STORM AND STORM SURGE WATCHES ISSUED FOR SUB-TROPICAL
STORM ALBERTO**


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

* CHANGES TO WATCHES AND WARNINGS:
    - A Storm Surge Watch and Tropical Storm Watch have been issued
      for Hancock, Harrison, Jackson, Lower Plaquemines, Lower St.
      Bernard, Orleans, and Upper St. Bernard
    - A Tropical Storm Watch has been issued for Ascension,
      Livingston, Lower Jefferson, Southern Tangipahoa, St. Charles,
      St. James, St. John The Baptist, St. Tammany, Upper Jefferson,
      and Upper Plaquemines

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

* STORM INFORMATION:
    - About 770 miles south-southeast of New Orleans LA or about 780
      miles south-southeast of Gulfport MS
    - 19.4N 86.3W
    - Storm Intensity 40 mph
    - Movement East or 90 degrees at 2 mph

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

* OVERVIEW...At 400 PM CDT, Sub-Tropical Storm Alberto is nearly stationary
off the coast of the Yucatan Peninsula. The system is expected to begin
drifting to the north tonight and move into the southern Gulf of Mexico by
tomorrow.  Tropical impacts should begin to be felt across Southeast Louisiana
and Southern Mississippi by late Sunday and Sunday night and persist through
Tuesday morning.  The primary impact will be heavy rainfall that could produce
inland flooding.  Secondary impacts will be storm surge, tornadoes, and tropical
storm force winds.

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

* FLOODING RAIN:
Prepare for locally hazardous rainfall flooding having possible
limited impacts across portions of the Mississippi coast and extreme
Southeast Louisiana. Potential impacts include:
    - Localized rainfall flooding may prompt a few evacuations.
    - Rivers and tributaries may quickly rise with swifter currents.
      Small streams, creeks, canals, 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.

Elsewhere across Southeast Louisiana and South Mississippi, little to
no impact is anticipated.

* SURGE:
Prepare for life-threatening surge having possible significant
impacts across the immediate coast of Mississippi and also
for east facing shores outside of the hurricane protection system
in far Southeast Louisiana. Potential impacts in this area include:
    - Areas of inundation with storm surge flooding accentuated by
      waves. Damage to several buildings, mainly near the coast.
    - Sections of near-shore escape routes and secondary roads become
      weakened or washed out, especially in usually vulnerable low
      spots.
    - Major beach erosion with heavy surf breaching dunes. Strong and
      numerous rip currents.
    - Moderate damage to marinas, docks, boardwalks, and piers.
      Several small craft broken away from moorings, especially in
      unprotected anchorages.

Prepare for surge having possible limited impacts along the shores of
Lake Pontchartrain and Lake Maurepas.

Elsewhere across Southeast Louisiana and South Mississippi, little to
no impact is anticipated.

* TORNADOES:
A few tornadoes will be possible across Southeast Louisiana and South
Mississippi from Sunday through Tuesday.

* WIND:
Prepare for dangerous wind having possible significant impacts across
extreme Southeast Louisiana and coastal Mississippi. Potential impacts include:
    - Some damage to roofing and siding materials, along with damage
      to porches, awnings, carports, and sheds. A few buildings
      experiencing window, door, and garage door failures. Mobile
      homes damaged, especially if unanchored. Unsecured lightweight
      objects become dangerous projectiles.
    - Several large trees snapped or uprooted, but with greater
      numbers in places where trees are shallow rooted. Several
      fences and roadway signs blown over.
    - Some roads impassable from large debris, and more within urban
      or heavily wooded places. A few bridges, causeways, and access
      routes impassable.
    - Scattered power and communications outages, but more prevalent
      in areas with above ground lines.

Prepare for limited impacts across the remainder of Southeast Louisiana and
Southern Mississippi.

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

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

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.

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.

* 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 8 PM CDT, or sooner if conditions
warrant.

$$
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