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Tropical Storm Bertha Local Statement Advisory Number 16
National Weather Service New Orleans LA  AL022026
348 AM CDT Thu Jul 23 2026

This product covers Southeast Louisiana and South Mississippi

...BERTHA MOVING WESTWARD SOUTH OF THE LOUISIANA COAST...

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

* CHANGES TO WATCHES AND WARNINGS:
    - The Tropical Storm Warning has been cancelled for Coastal
      Jefferson, Lower Lafourche, and Lower Plaquemines

* CURRENT WATCHES AND WARNINGS:
    - A Tropical Storm Warning is in effect for Lower Terrebonne

* STORM INFORMATION:
    - About 140 miles west-southwest of New Orleans LA or about 100
      miles west-southwest of Houma LA
    - 29.0N 92.2W
    - Storm Intensity 45 mph
    - Movement West or 270 degrees at 13 mph

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

Tropical Storm Bertha continues to move westward off the Louisiana
coast south of Vermilion Bay, and will continue to move westward at a
little faster speed.

Coastal flooding has been observed at several observation stations and
additional minor to moderate coastal flooding upwards of 2 to 3 feet
is expected during the high tide cycle for portions of coastal
Louisiana and Mississippi this morning.

Light rainfall is occurring with this storm over land areas though
localized brief heavy rainfall will be possible, mainly this morning
for coastal areas of Mississippi and southeast Louisiana. The threat
of excessive rainfall has decreased across all of southeast Louisiana
and south Mississippi.

Tropical Storm Warnings remain in effect for lower Terrebonne Parish,
Terrebonne Bay and the adjacent open waters, but have been
discontinued elsewhere. No changes to Coastal Flood Warnings and
Advisories have occurred with this advisory package.

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

* WIND:
Potential impacts from the main wind event are now unfolding across
Lower Terrebonne Parish. Remain well sheltered from hazardous
wind having possible limited impacts.
These impacts 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:
Potential limited impacts from the main surge event are now unfolding
across portions of Coastal Southeast Louisiana and Coastal Mississippi.
These impacts include:
    - Localized inundation with storm surge flooding mainly along
      immediate shorelines and in low-lying spots, or in areas
      farther inland near where higher surge waters move ashore.
    - Sections of near-shore roads and parking lots 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, boardwalks,
      and piers. A few small craft broken away from moorings.

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

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

* OTHER PREPAREDNESS INFORMATION:

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.

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 11 AM CDT, or sooner if conditions
warrant.

$$