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WTUS82 KCAE 301510
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GAZ063>065-077-SCZ022-027>031-035-037-038-041-135>137-302315-
HURRICANE IDALIA LOCAL STATEMENT ADVISORY NUMBER 16
NATIONAL WEATHER SERVICE COLUMBIA SC AL102023
1110 AM EDT WED AUG 30 2023
THIS PRODUCT COVERS THE MIDLANDS OF CENTRAL SOUTH CAROLINA AND EAST CENTRAL GEORGIA CSRA
**HURRICANE IDALIA WILL BRING IMPACTS TO THE AREA THIS AFTERNOON
THROUGH THURSDAY MORNING.**
NEW INFORMATION
---------------
* CHANGES TO WATCHES AND WARNINGS:
- THE TROPICAL STORM WATCH HAS BEEN UPGRADED TO A TROPICAL STORM
WARNING FOR COLUMBIA, KERSHAW, LEE, LEXINGTON, MCDUFFIE, AND
RICHLAND
* CURRENT WATCHES AND WARNINGS:
- A TROPICAL STORM WARNING IS IN EFFECT FOR AIKEN, BAMBERG,
BARNWELL, BURKE, CALHOUN, CENTRAL ORANGEBURG, CLARENDON,
COLUMBIA, KERSHAW, LEE, LEXINGTON, MCDUFFIE, NORTHWESTERN
ORANGEBURG, RICHLAND, RICHMOND, SOUTHEASTERN ORANGEBURG, AND
SUMTER
* STORM INFORMATION:
- ABOUT 270 MILES SOUTH-SOUTHWEST OF COLUMBIA SC OR ABOUT 210
MILES SOUTH-SOUTHWEST OF AUGUSTA GA
- 30.6N 83.2W
- STORM INTENSITY 90 MPH
- MOVEMENT NORTH-NORTHEAST OR 30 DEGREES AT 20 MPH
SITUATION OVERVIEW
------------------
IDALIA HAS MADE LANDFALL IN FLORIDA AND WILL CONTINUE TRACKING
NORTH NORTHEAST TOWARDS SOUTHEASTERN GEORGIA THIS AFTERNOON AND
EVENING. TONIGHT INTO THURSDAY MORNING IT IS FORECAST TO TRACK INLAND
ALONG THE SOUTH CAROLINA COASTLINE.
LOCAL IMPACTS FROM IDALIA HAVE BEGUN AS HEAVY RAINFALL OVERSPREADS
SOUTHEAST GEORGIA AND SOUTHERN SOUTH CAROLINA. HEAVY RAINFALL WILL
CONTINUE THROUGH TONIGHT ACROSS THE REGION WITH 4 TO 8 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 THIS 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:
PROTECT AGAINST DANGEROUS WIND HAVING POSSIBLE SIGNIFICANT IMPACTS
ACROSS THE CENTRAL SOUTH CAROLINA MIDLANDS AND CSRA OF CENTRAL GEORGIA.
POTENTIAL IMPACTS IN THIS AREA INCLUDE:
- SOME DAMAGE TO ROOFING AND SIDING MATERIALS, ALONG WITH DAMAGE
TO PORCHES, AWNINGS, CARPORTS, AND SHEDS. A FEW BUILDINGS
EXPERIENCING WINDOW, DOOR, AND GARAGE DOOR FAILURES. MOBILE
HOMES DAMAGED, ESPECIALLY IF UNANCHORED. UNSECURED LIGHTWEIGHT
OBJECTS BECOME DANGEROUS PROJECTILES.
- SEVERAL LARGE TREES SNAPPED OR UPROOTED, BUT WITH GREATER
NUMBERS IN PLACES WHERE TREES ARE SHALLOW ROOTED. SEVERAL
FENCES AND ROADWAY SIGNS BLOWN OVER.
- SOME ROADS IMPASSABLE FROM LARGE DEBRIS, AND MORE WITHIN URBAN
OR HEAVILY WOODED PLACES. A FEW BRIDGES, CAUSEWAYS, AND ACCESS
ROUTES IMPASSABLE.
- SCATTERED POWER AND COMMUNICATIONS OUTAGES, BUT MORE PREVALENT
IN AREAS WITH ABOVE GROUND LINES.
* 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
----------------------------------
* 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.
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 5 PM EDT, OR SOONER IF CONDITIONS
WARRANT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
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