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Tropical Storm Bertha Local Statement Advisory Number 10
National Weather Service New Orleans LA  AL022026
434 PM CDT Tue Jul 21 2026

This product covers Southeast Louisiana and South Mississippi

TROPICAL STORM WARNINGS ISSUED FOR THE CITY OF NEW ORLEANS INCLUDING
ORLEANS, JEFFERSON, ST. CHARLES AND UPPER PLAQUEMINES PARISHES AS WELL
AS LOWER TERREBONNE PARISH.


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

* CHANGES TO WATCHES AND WARNINGS:
    - The Tropical Storm Watch has been upgraded to a Tropical Storm
      Warning for Central Jefferson, Central Plaquemines, Central St.
      Charles, Lower St. Charles, Lower Terrebonne, Upper Jefferson,
      Upper Plaquemines, Upper St. Bernard, Upper St. Charles, and
      Western Orleans

* CURRENT WATCHES AND WARNINGS:
    - A Tropical Storm Warning is in effect for Central Jefferson,
      Central Plaquemines, Central St. Charles, Coastal Jefferson,
      Eastern Orleans, Lower Lafourche, Lower Plaquemines, Lower St.
      Bernard, Lower St. Charles, Lower Terrebonne, Southeast St.
      Tammany, Southern Hancock, Southern Harrison, Southern Jackson,
      Upper Jefferson, Upper Plaquemines, Upper St. Bernard, Upper
      St. Charles, and Western Orleans
    - A Tropical Storm Watch is in effect for Northern Hancock,
      Northern Harrison, Northern Jackson, St. John The Baptist,
      Upper Lafourche, and Upper Terrebonne

* STORM INFORMATION:
    - About 190 miles east-southeast of New Orleans LA or about 130
      miles east-southeast of Gulfport MS
    - 29.4N 87.2W
    - Storm Intensity 60 mph
    - Movement Northwest or 305 degrees at 6 mph

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

Tropical Storm Bertha is currently south of Pensacola, Florida and
will continue to move west-northwest and may gradually weaken as it
makes its approach to landfall on Wednesday. Bertha is forecast to
bring the threat of tropical storm force wind gusts generally along
and south of I-10, and coastal flooding of up to 2 to 4 feet above
normally dry ground. The threat for locally heavy rainfall will be
limited to coastal areas of southeast Louisiana though a few stray
storms could still provide quick rainfall totals up to 1-2 inches
further north to the I-10/12 corridor.

Coastal Flood Warnings are in effect for coastal Mississippi and
Southeast St. Tammany to the Mouth of the Mississippi River. Coastal
Flood Advisories are in effect for north and west shores of Lake
Pontchartrain and the Jefferson/Lafourche Parish Line to Morgan City,
Louisiana.

Tropical Storm Warnings are now in effect for the city of New Orleans as
well as Lake Pontchartrain and Lakes Salvador and Catoaouatche. Along
the coast, Tropical Storm Warnings are now in effect from the Bay/Gulf
County Line in Florida border west to Morgan City, Louisiana.
Additionally, Tropical Storm Watches remain in effect for St. John
Parish, inland portions Terrebonne and Lafourche Parishes, Lake
Maurepas, as well as inland coastal Mississippi Counties of Jackson,
Harrison, and Hancock.

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

* WIND:
Prepare for hazardous wind having possible limited impacts across
southeast Louisiana and coastal Mississippi. Potential impacts in this
area include:
    - Damage to porches, awnings, carports, sheds, and unanchored
      mobile homes. Unsecured lightweight objects blown about.
    - Many large tree limbs broken off. A few trees snapped or
      uprooted, but with greater numbers in places where trees are
      shallow rooted. Some fences and roadway signs blown over.
    - A few roads impassable from debris, particularly within urban
      or heavily wooded places. Hazardous driving conditions on
      bridges and other elevated roadways.
    - Scattered power and communications outages.

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

* SURGE:
Prepare for coastal flooding having possible significant impacts across
coastal Louisiana and Mississippi. Potential impacts in this area
include:
    - Areas of inundation with storm surge flooding accentuated by
      waves. Damage to 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.

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

* FLOODING RAIN:
Prepare for locally hazardous rainfall flooding having possible
limited impacts across Southeast Louisiana and South Mississippi.
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.

* TORNADOES:
Little to no impacts are anticipated at this time across Southeast
Louisiana and South Mississippi.

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

* EVACUATIONS:
Follow the advice of local officials.

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, upper floors of a high-rise building, or
on a boat, plan to move to safe shelter.

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.

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 New Orleans LA around , or sooner if conditions warrant.

$$