929  
WTUS82 KCAE 300305  
HLSCAE  
GAZ063>065-077-SCZ022-027>031-035-037-038-041-135>137-301115-  
 
HURRICANE IDALIA LOCAL STATEMENT ADVISORY NUMBER 14  
NATIONAL WEATHER SERVICE COLUMBIA SC AL102023  
1105 PM EDT TUE AUG 29 2023  
 
THIS PRODUCT COVERS THE MIDLANDS OF CENTRAL SOUTH CAROLINA AND EAST CENTRAL GEORGIA CSRA  
 
**HURRICANE IDALIA CONTINUES TO STRENGTHEN IN THE EASTERN GULF OF  
MEXICO**  
 
NEW INFORMATION  
---------------  
 
* CHANGES TO WATCHES AND WARNINGS:  
- THE TROPICAL STORM WATCH HAS BEEN UPGRADED TO A TROPICAL STORM  
WARNING FOR BAMBERG, BARNWELL, BURKE, CALHOUN, CENTRAL  
ORANGEBURG, CLARENDON, NORTHWESTERN ORANGEBURG, SOUTHEASTERN  
ORANGEBURG, AND SUMTER  
- A TROPICAL STORM WATCH HAS BEEN ISSUED FOR AIKEN, COLUMBIA,  
KERSHAW, LEE, LEXINGTON, MCDUFFIE, RICHLAND, AND RICHMOND  
 
* CURRENT WATCHES AND WARNINGS:  
- A TROPICAL STORM WARNING IS IN EFFECT FOR BAMBERG, BARNWELL,  
BURKE, CALHOUN, CENTRAL ORANGEBURG, CLARENDON, NORTHWESTERN  
ORANGEBURG, SOUTHEASTERN ORANGEBURG, AND SUMTER  
- A TROPICAL STORM WATCH IS IN EFFECT FOR AIKEN, COLUMBIA,  
KERSHAW, LEE, LEXINGTON, MCDUFFIE, RICHLAND, AND RICHMOND  
 
* STORM INFORMATION:  
- ABOUT 480 MILES SOUTH-SOUTHWEST OF COLUMBIA SC OR ABOUT 420  
MILES SOUTH-SOUTHWEST OF AUGUSTA GA  
- 27.7N 84.5W  
- STORM INTENSITY 110 MPH  
- MOVEMENT NORTH OR 10 DEGREES AT 18 MPH  
 
SITUATION OVERVIEW  
------------------  
 
HURRICANE IDALIA IS FORECAST TO TRACK NORTHWARD ACROSS THE EASTERN  
GULF OF MEXICO WHILE STRENGTHENING TO A MAJOR HURRICANE OVERNIGHT, THEN  
MAKE LANDFALL IN THE BIG BEND REGION OF FLORIDA WEDNESDAY MORNING. AFTER  
MAKING LANDFALL, IDALIA IS EXPECTED TO TRACK OVER SOUTHEAST GEORGIA AND  
JUST INLAND OF THE SOUTHEAST SOUTH CAROLINA COASTLINE WEDNESDAY EVENING  
THROUGH EARLY THURSDAY MORNING.  
 
LOCAL IMPACTS FROM IDALIA WILL BEGIN AS EARLY AS WEDNESDAY MORNING AS  
HEAVY RAINFALL BEGINS TO OVERSPREAD SOUTHEAST GEORGIA AND SOUTHERN  
SOUTH CAROLINA. HEAVY RAINFALL WILL THEN CONTINUE THROUGH WEDNESDAY  
NIGHT ACROSS THE REGION WITH 3 TO 7 INCHES OF RAINFALL FORECAST, WITH  
LOCALLY GREATER AMOUNTS POSSIBLE. TROPICAL STORM FORCE WINDS, ALONG  
WITH ISOLATED TORNADOES, WILL BE POSSIBLE ACROSS THE EASTERN MIDLANDS  
BY WEDNESDAY AFTERNOON AND INTO EARLY THURSDAY MORNING.  
 
POTENTIAL IMPACTS  
-----------------  
 
* FLOODING RAIN:  
PREPARE FOR LIFE-THREATENING RAINFALL FLOODING HAVING POSSIBLE  
EXTENSIVE IMPACTS ACROSS THE EASTERN MIDLANDS. POTENTIAL IMPACTS  
INCLUDE:  
- MAJOR RAINFALL FLOODING MAY PROMPT MANY EVACUATIONS AND RESCUES.  
- RIVERS AND TRIBUTARIES MAY RAPIDLY OVERFLOW THEIR BANKS IN  
MULTIPLE PLACES. SMALL STREAMS, CREEKS, CANALS, ARROYOS, AND  
DITCHES MAY BECOME DANGEROUS RIVERS. IN MOUNTAIN AREAS,  
DESTRUCTIVE RUNOFF MAY RUN QUICKLY DOWN VALLEYS WHILE  
INCREASING SUSCEPTIBILITY TO ROCKSLIDES AND MUDSLIDES. FLOOD  
CONTROL SYSTEMS AND BARRIERS MAY BECOME STRESSED.  
- FLOOD WATERS CAN ENTER MANY STRUCTURES WITHIN MULTIPLE  
COMMUNITIES, SOME STRUCTURES BECOMING UNINHABITABLE OR WASHED  
AWAY. MANY PLACES WHERE FLOOD WATERS MAY COVER ESCAPE ROUTES.  
STREETS AND PARKING LOTS BECOME RIVERS OF MOVING WATER WITH  
UNDERPASSES SUBMERGED. DRIVING CONDITIONS BECOME DANGEROUS.  
MANY ROAD AND BRIDGE CLOSURES WITH SOME WEAKENED OR WASHED OUT.  
 
PREPARE FOR DANGEROUS RAINFALL FLOODING HAVING POSSIBLE SIGNIFICANT  
IMPACTS ACROSS THE WESTERN MIDLANDS AND CSRA.  
 
* WIND:  
PREPARE FOR HAZARDOUS WIND HAVING POSSIBLE LIMITED IMPACTS ACROSS THE  
MIDLANDS OF CENTRAL SOUTH CAROLINA AND EAST CENTRAL GEORGIA CSRA.  
POTENTIAL 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.  
 
* TORNADOES:  
PREPARE FOR A DANGEROUS TORNADO EVENT HAVING POSSIBLE SIGNIFICANT  
IMPACTS ACROSS THE EASTERN MIDLANDS OF SC. POTENTIAL IMPACTS INCLUDE:  
- THE OCCURRENCE OF SCATTERED TORNADOES CAN HINDER THE EXECUTION  
OF EMERGENCY PLANS DURING TROPICAL EVENTS.  
- SEVERAL PLACES MAY EXPERIENCE TORNADO DAMAGE WITH A FEW SPOTS  
OF CONSIDERABLE DAMAGE, POWER LOSS, AND COMMUNICATIONS FAILURES.  
- LOCATIONS COULD REALIZE ROOFS TORN OFF FRAME HOUSES, MOBILE  
HOMES DEMOLISHED, BOXCARS OVERTURNED, LARGE TREES SNAPPED OR  
UPROOTED, VEHICLES TUMBLED, AND SMALL BOATS TOSSED ABOUT.  
DANGEROUS PROJECTILES CAN ADD TO THE TOLL.  
 
PREPARE FOR A TORNADO EVENT HAVING POSSIBLE LIMITED IMPACTS ACROSS  
THE EASTERN MIDLANDS OF SC.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS  
----------------------------------  
 
* EVACUATIONS:  
NO EVACUATIONS ARE CURRENTLY ONGOING ACROSS THE MIDLANDS OR CSRA.  
 
* 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.  
 
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.  
 
RAPIDLY RISING FLOOD WATERS ARE DEADLY. IF YOU ARE IN A FLOOD-PRONE  
AREA, CONSIDER MOVING TO HIGHER GROUND. NEVER DRIVE THROUGH A FLOODED  
ROADWAY. REMEMBER, TURN AROUND DON'T DROWN!  
 
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 FROM THE STATE OF SOUTH CAROLINA SEE SCEMD.ORG  
- FOR INFORMATION FROM THE STATE OF GEORGIA SEE GEMA.GA.GOV  
 
NEXT UPDATE  
-----------  
 
THE NEXT LOCAL STATEMENT WILL BE ISSUED BY THE NATIONAL WEATHER  
SERVICE IN COLUMBIA SC AROUND 6 AM EDT, OR SOONER IF CONDITIONS  
WARRANT.  
 

 
 
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