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WTUS84 KLIX 090921
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LAZ070-076-078-091-MSZ083>088-091730-
HURRICANE ISAIAS LOCAL STATEMENT ADVISORY NUMBER 11
NATIONAL WEATHER SERVICE NEW ORLEANS LA AL092026
421 AM CDT FRI OCT 9 2026
THIS PRODUCT COVERS SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI
**ISAIAS STRENGTHENING AND EXPECTED TO APPROACH THE NORTHERN
GULF COAST AS A DANGEROUS HURRICANE LATER TODAY**
NEW INFORMATION
---------------
* CHANGES TO WATCHES AND WARNINGS:
- NONE
* CURRENT WATCHES AND WARNINGS:
- A STORM SURGE WARNING AND HURRICANE WARNING ARE IN EFFECT FOR
SOUTHERN JACKSON
- A TROPICAL STORM WARNING AND HURRICANE WATCH ARE IN EFFECT FOR
NORTHERN JACKSON
- A STORM SURGE WARNING AND TROPICAL STORM WARNING ARE IN EFFECT
FOR EASTERN ORLEANS, LOWER PLAQUEMINES, LOWER ST. BERNARD,
SOUTHEAST ST. TAMMANY, SOUTHERN HANCOCK, AND SOUTHERN HARRISON
- A TROPICAL STORM WARNING IS IN EFFECT FOR NORTHERN HANCOCK AND
NORTHERN HARRISON
* STORM INFORMATION:
- ABOUT 280 MILES SOUTH-SOUTHEAST OF NEW ORLEANS LA OR ABOUT 280
MILES SOUTH-SOUTHEAST OF GULFPORT MS
- 26.4N 88.0W
- STORM INTENSITY 110 MPH
- MOVEMENT NORTH-NORTHEAST OR 20 DEGREES AT 15 MPH
SITUATION OVERVIEW
------------------
HURRICANE ISAIAS IS CURRENTLY IN THE SOUTHERN GULF AND WILL
CONTINUE TO STRENGTHEN AS IT MOVES TOWARD THE NORTHERN GULF COAST
THROUGH FRIDAY NIGHT. HURRICANE ISAIAS IS FORECAST TO BRING THE THREAT
OF TROPICAL STORM FORCE WIND GUSTS, LOCALLY HEAVY RAINFALL, AND STORM
SURGE OF 3 TO 5 FEET TO COASTAL PORTIONS OF SOUTHEAST LOUISIANA FROM
THE MOUTH OF THE MISSISSIPPI RIVER TO THE PEARL RIVER, EXCLUDING LAKE
PONTCHARTRAIN, AND FROM THE PEARL RIVER EASTWARD TO THE
ALABAMA/MISSISSIPPI STATE LINE IN COASTAL MISSISSIPPI. THE MOST LIKELY
TIME FOR IMPACTS WILL BE THIS AFTERNOON INTO SATURDAY MORNING.
STORM SURGE WARNINGS ARE IN EFFECT FROM THE MOUTH OF THE MISSISSIPPI
RIVER TO THE ALABAMA AND MISSISSIPPI STATE LINE. HURRICANE WARNINGS
ARE IN EFFECT FROM OCEAN SPRINGS TO THE ALABAMA AND MISSISSIPPI STATE
LINE. TROPICAL STORM WARNINGS ARE IN EFFECT FROM THE JEFFERSON AND
PLAQUEMINE PARISH LINE IN SOUTHEAST LOUISIANA TO OCEAN SPRINGS,
MISSISSIPPI. A TROPICAL STORM WARNING HAS ALSO BEEN ISSUED FOR INLAND
JACKSON, HARRISON, AND HANCOCK COUNTIES. THE HURRICANE WATCH FOR
INLAND JACKSON COUNTY, MS ALSO CONTINUES.
POTENTIAL IMPACTS
-----------------
* WIND:
PROTECT AGAINST HAZARDOUS WIND HAVING POSSIBLE LIMITED IMPACTS FOR
LOCATIONS FROM OCEAN SPRINGS EASTWARD IN 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:
PROTECT AGAINST LIFE-THREATENING SURGE HAVING POSSIBLE SIGNIFICANT
IMPACTS FOR COASTAL LOCATIONS EAST OF OCEAN SPRINGS IN COASTAL
MISSISSIPPI. 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.
ALSO, PROTECT AGAINST LOCALLY HAZARDOUS SURGE HAVING POSSIBLE
SIGNIFICANT IMPACTS ACROSS FOR COASTAL LOCATIONS WEST OF OCEAN
SPRINGS IN COASTAL MISSISSIPPI AND FOR LOCATIONS OUTSIDE OF THE
HURRICANE RISK REDUCTION SYSTEM IN SOUTHEAST LOUISIANA FROM THE PEARL
RIVER SOUTH TO THE MOUTH OF THE MISSISSIPPI.
* FLOODING RAIN:
PROTECT AGAINST DANGEROUS RAINFALL FLOODING HAVING POSSIBLE
SIGNIFICANT IMPACTS ACROSS FOR LOCATIONS EAST OF OCEAN SPRINGS IN
COASTAL MISSISSIPPI. POTENTIAL IMPACTS INCLUDE:
- MODERATE RAINFALL FLOODING MAY PROMPT SEVERAL EVACUATIONS AND
RESCUES.
- RIVERS AND TRIBUTARIES MAY QUICKLY BECOME SWOLLEN WITH SWIFTER
CURRENTS AND OVERSPILL THEIR BANKS IN A FEW PLACES, ESPECIALLY
IN USUALLY VULNERABLE SPOTS. SMALL STREAMS, CREEKS, CANALS, AND
DITCHES OVERFLOW.
- FLOOD WATERS CAN ENTER SOME STRUCTURES OR WEAKEN FOUNDATIONS.
SEVERAL PLACES MAY EXPERIENCE EXPANDED AREAS OF RAPID
INUNDATION AT UNDERPASSES, LOW-LYING SPOTS, AND POOR DRAINAGE
AREAS. SOME STREETS AND PARKING LOTS TAKE ON MOVING WATER AS
STORM DRAINS AND RETENTION PONDS OVERFLOW. DRIVING CONDITIONS
BECOME HAZARDOUS. SOME ROAD AND BRIDGE CLOSURES.
PROTECT AGAINST LOCALLY HAZARDOUS RAINFALL FLOODING HAVING POSSIBLE
LIMITED IMPACTS ACROSS THE REMAINDER OF COASTAL MISSISSIPPI.
PRECAUTIONARY/PREPAREDNESS ACTIONS
----------------------------------
* EVACUATIONS:
FOLLOW THE ADVICE OF LOCAL OFFICIALS.
* OTHER PREPAREDNESS INFORMATION:
NOW IS THE TIME TO COMPLETE ALL PREPARATIONS TO PROTECT LIFE AND
PROPERTY IN ACCORDANCE WITH YOUR EMERGENCY PLAN. ENSURE YOU ARE IN A
SAFE LOCATION BEFORE THE ONSET OF STRONG WINDS OR POSSIBLE FLOODING.
FAILURE TO ADEQUATELY SHELTER MAY RESULT IN SERIOUS INJURY OR LOSS OF
LIFE. ALWAYS HEED THE ADVICE OF LOCAL OFFICIALS AND COMPLY WITH ANY
ORDERS THAT ARE ISSUED. REMEMBER, DURING THE STORM 9 1 1 EMERGENCY
SERVICES MAY NOT BE ABLE TO IMMEDIATELY RESPOND IF CONDITIONS ARE
UNSAFE. THIS SHOULD BE A BIG FACTOR IN YOUR DECISION MAKING.
KEEP CELL PHONES WELL CHARGED. CELL PHONE CHARGERS FOR AUTOMOBILES
CAN BE HELPFUL, BUT BE AWARE OF YOUR RISK FOR DEADLY CARBON MONOXIDE
POISONING IF YOUR CAR IS LEFT IDLING IN A GARAGE OR OTHER POORLY
VENTILATED AREA.
IF YOU ARE A VISITOR, BE SURE TO KNOW THE NAME OF THE CITY OR TOWN IN
WHICH YOU ARE STAYING AND THE NAME OF THE COUNTY OR PARISH IN WHICH
IT RESIDES. LISTEN FOR THESE LOCATIONS IN LOCAL NEWS UPDATES. PAY
ATTENTION FOR INSTRUCTIONS FROM LOCAL AUTHORITIES.
STORM SURGE IS THE LEADING KILLER ASSOCIATED WITH TROPICAL STORMS AND
HURRICANES! MAKE SURE YOU ARE IN A SAFE AREA AWAY FROM THE SURGE
ZONE. EVEN IF YOU ARE NOT IN A SURGE-PRONE AREA, YOU COULD FIND
YOURSELF CUTOFF BY FLOOD WATERS DURING AND AFTER THE STORM. HEED
EVACUATION ORDERS ISSUED BY THE LOCAL AUTHORITIES.
CLOSELY MONITOR WEATHER.GOV, NOAA WEATHER RADIO OR LOCAL NEWS OUTLETS
FOR OFFICIAL STORM INFORMATION. BE READY TO ADAPT TO POSSIBLE CHANGES
TO THE FORECAST. ENSURE YOU HAVE MULTIPLE WAYS TO RECEIVE WEATHER
WARNINGS.
* 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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
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