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WTUS84 KLIX 230551
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LAZ034>037-039-046>048-056>058-064-070-071-076>087-089>100-MSZ068>071-077-083>088-231400-
TROPICAL STORM BERTHA LOCAL STATEMENT INTERMEDIATE ADVISORY NUMBER 15A
NATIONAL WEATHER SERVICE NEW ORLEANS LA AL022026
1251 AM CDT THU JUL 23 2026
THIS PRODUCT COVERS SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI
..BERTHA NOW SOUTH OF THE COAST OF SOUTHERN LOUISIANA
...WARNINGS DISCONTINUED FOR PORTIONS OF THE LOUISIANA AND MISSISSIPPI COASTS...
NEW INFORMATION
---------------
* CHANGES TO WATCHES AND WARNINGS:
- THE TROPICAL STORM WARNING HAS BEEN CANCELLED FOR CENTRAL
JEFFERSON, CENTRAL PLAQUEMINES, CENTRAL ST. CHARLES, EASTERN
ORLEANS, LOWER ST. BERNARD, LOWER ST. CHARLES, SOUTHEAST ST.
TAMMANY, SOUTHERN HANCOCK, SOUTHERN HARRISON, SOUTHERN JACKSON,
UPPER JEFFERSON, UPPER PLAQUEMINES, UPPER ST. BERNARD, UPPER
ST. CHARLES, AND WESTERN ORLEANS
- THE TROPICAL STORM WATCH HAS BEEN CANCELLED FOR UPPER LAFOURCHE
AND UPPER TERREBONNE
* CURRENT WATCHES AND WARNINGS:
- A TROPICAL STORM WARNING IS IN EFFECT FOR COASTAL JEFFERSON,
LOWER LAFOURCHE, LOWER PLAQUEMINES, AND LOWER TERREBONNE
* STORM INFORMATION:
- ABOUT 100 MILES SOUTHWEST OF NEW ORLEANS LA OR ABOUT 60 MILES
WEST-SOUTHWEST OF HOUMA LA
- 29.1N 91.6W
- STORM INTENSITY 45 MPH
- MOVEMENT WEST OR 260 DEGREES AT 12 MPH
SITUATION OVERVIEW
------------------
TROPICAL STORM BERTHA MADE LANDFALL NEAR THE BILOXI WILDLIFE
MANAGEMENT AREA IN ST. BERNARD PARISH, LOUISIANA AT AROUND 200 PM CDT.
THE STORM IS OFF THE SOUTHERN LOUISIANA COAST SOUTHWEST OF HOUMA
AND WILL CONTINUE TO MOVE WESTWARD AT A LITTLE FASTER SPEED.
COASTAL FLOODING HAS BEEN OBSERVED AT THE SHELL BEACH AND WAVELAND
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 THROUGH THURSDAY
MORNING.
LIGHT RAINFALL IS OCCURRING WITH THIS STORM OVER LAND AREAS THOUGH
ADDITIONAL HEAVIER RAINFALL WILL BE POSSIBLE THROUGH THURSDAY FOR
COASTAL AREAS OF MISSISSIPPI AND SOUTHEAST LOUISIANA. THE THREAT OF
EXCESSIVE RAINFALL HAS DECREASED ACROSS ALL OF SOUTHEAST LOUISIANA AND
SOUTH MISSISSIPPI.
ALL TROPICAL STORM WATCHES HAVE BEEN DISCONTINUED. A TROPICAL STORM
WARNING REMAINS IN EFFECT FROM THE PLAQUEMINES/ST. BERNARD PARISH
LINE TO MORGAN CITY. NO CHANGES TO COASTAL FLOOD WARNINGS AND ADVISORIES HAVE
BEEN CHANGED WITH THIS ADVISORY PACKAGE.
POTENTIAL IMPACTS
-----------------
* WIND:
POTENTIAL IMPACTS FROM THE MAIN WIND EVENT ARE NOW UNFOLDING ACROSS
LOWER PORTIONS OF THE SOUTHEAST LOUISIANA COASTAL PARISHES. REMAIN WELL
SHELTERED FROM HAZARDOUS WIND HAVING POSSIBLE LIMITED IMPACTS.
IF REALIZED, 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 PORTION 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 5 AM CDT, OR SOONER IF CONDITIONS
WARRANT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
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