215
WTUS82 KCHS 300333
HLSCHS
GAZ087-088-099>101-114>119-137>141-SCZ040-042>045-047>052-301145-
HURRICANE IDALIA LOCAL STATEMENT ADVISORY NUMBER 14
NATIONAL WEATHER SERVICE CHARLESTON SC AL102023
1133 PM EDT TUE AUG 29 2023
THIS PRODUCT COVERS SOUTHEAST SOUTH CAROLINA AND SOUTHEAST GEORGIA
**IDALIA NEARING MAJOR HURRICANE STRENGTH IN THE EASTERN GULF OF
MEXICO**
NEW INFORMATION
---------------
* CHANGES TO WATCHES AND WARNINGS:
- A HURRICANE WATCH HAS BEEN ISSUED FOR BULLOCH, EFFINGHAM,
EVANS, AND TATTNALL
* CURRENT WATCHES AND WARNINGS:
- A TROPICAL STORM WARNING, STORM SURGE WATCH, AND HURRICANE
WATCH ARE IN EFFECT FOR BEAUFORT, COASTAL BRYAN, COASTAL
CHATHAM, COASTAL COLLETON, COASTAL JASPER, COASTAL LIBERTY, AND
COASTAL MCINTOSH
- A TROPICAL STORM WARNING AND HURRICANE WATCH ARE IN EFFECT FOR
BULLOCH, EFFINGHAM, EVANS, INLAND BRYAN, INLAND CHATHAM, INLAND
JASPER, INLAND LIBERTY, INLAND MCINTOSH, LONG, AND TATTNALL
- A TROPICAL STORM WARNING AND STORM SURGE WATCH ARE IN EFFECT
FOR CHARLESTON
- A TROPICAL STORM WARNING IS IN EFFECT FOR ALLENDALE, CANDLER,
DORCHESTER, HAMPTON, INLAND BERKELEY, INLAND COLLETON, JENKINS,
SCREVEN, AND TIDAL BERKELEY
* STORM INFORMATION:
- ABOUT 440 MILES SOUTHWEST OF CHARLESTON SC OR ABOUT 360 MILES
SOUTHWEST OF SAVANNAH GA
- 27.7N 84.5W
- STORM INTENSITY 110 MPH
- MOVEMENT NORTH OR 10 DEGREES AT 18 MPH
SITUATION OVERVIEW
------------------
IDALIA IS EXPECTED TO BECOME A MAJOR HURRICANE OVERNIGHT AND MAKE
LANDFALL IN THE BIG BEND REGION OF FLORIDA WEDNESDAY MORNING. AFTER
MAKING LANDFALL, IDALIA IS FORECAST TO TRACK JUST INLAND OF THE
SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA COASTLINE WEDNESDAY
EVENING THROUGH EARLY THURSDAY MORNING.
LOCAL IMPACTS FROM IDALIA WILL BEGIN AS EARLY AS WEDNESDAY MORNING AS
BANDS OF HEAVY RAINFALL BEGIN TO OVERSPREAD SOUTHEAST GEORGIA AND
SOUTHEAST SOUTH CAROLINA FROM SOUTHWEST TO NORTHEAST. HEAVY RAINFALL
IS EXPECTED TO CONTINUE THROUGH WEDNESDAY NIGHT ACROSS THE REGION WITH
1 TO 3 INCHES OF RAIN FORECAST ALONG THE COAST AND 4 TO 8 INCHES
FORECAST FOR INLAND LOCATIONS. TROPICAL STORM FORCE WINDS ARE EXPECTED
TO DEVELOP ACROSS SOUTHEAST GEORGIA LATE WEDNESDAY MORNING, ESPECIALLY
ALONG THE COAST, WITH CONDITIONS DETERIORATING WEDNESDAY AFTERNOON AND
INTO WEDNESDAY NIGHT AS TROPICAL STORM FORCE WINDS SPREAD UP THE COAST
AND INTO PORTIONS OF SOUTHEAST SOUTH CAROLINA. THERE IS ALSO A CHANCE
FOR AT LEAST HURRICANE FORCE WIND GUSTS ACROSS PORTIONS OF SOUTHEAST
GEORGIA, THE ENTIRE SOUTHEAST GEORGIA COAST, AND THE LOWER SOUTHEAST
SOUTH CAROLINA COAST. TORNADOES WILL BE POSSIBLE ACROSS THE AREA
WEDNESDAY AFTERNOON AND WEDNESDAY NIGHT, PARTICULARLY ALONG THE COAST,
AND WATERSPOUTS WILL BE POSSIBLE ACROSS THE ADJACENT ATLANTIC COASTAL
WATERS. FINALLY, THERE IS THE POTENTIAL FOR STORM SURGE WEDNESDAY
EVENING THROUGH EARLY THURSDAY MORNING ALONG THE SOUTHEAST GEORGIA AND
SOUTHEAST SOUTH CAROLINA COASTS, WHERE INUNDATION UP TO 4 FEET ABOVE
GROUND LEVEL IS POSSIBLE.
POTENTIAL IMPACTS
-----------------
* FLOODING RAIN:
PROTECT AGAINST LIFE-THREATENING RAINFALL FLOODING HAVING POSSIBLE
EXTENSIVE IMPACTS ACROSS SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA,
ESPECIALLY INLAND OF THE COAST. POTENTIAL IMPACTS INCLUDE:
- MAJOR RAINFALL FLOODING COULD PROMPT MANY RESCUES.
- RIVERS AND TRIBUTARIES COULD RAPIDLY OVERFLOW THEIR BANKS IN
MULTIPLE LOCATIONS. SMALL STREAMS, CREEKS, CANALS, DITCHES MAY
BECOME DANGEROUS RIVERS. FLOOD CONTROL SYSTEMS AND BARRIERS
COULD BECOME STRESSED.
- FLOOD WATERS COULD ENTER MANY STRUCTURES WITHIN MULTIPLE
COMMUNITIES; SOME STRUCTURES BECOME UNINHABITABLE OR ARE WASHED
AWAY. FLOOD WATERS COULD COVER MULTIPLE 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.
- DRINKING WATER AND SEWER SERVICES COULD BE NEGATIVELY IMPACTED.
- HAZARDOUS CONTAINERS AND MATERIALS COULD POSSIBLY BE PRESENT IN
FLOOD WATERS.
* SURGE:
PROTECT AGAINST LIFE-THREATENING SURGE HAVING POSSIBLE SIGNIFICANT
IMPACTS ACROSS COASTAL AREAS OF SOUTHEAST GEORGIA AND SOUTHEAST SOUTH
CAROLINA. POTENTIAL IMPACTS IN THIS AREA INCLUDE:
- AREAS OF INUNDATION OF SALTWATER ALONG IMMEDIATE SHORELINES AND
IN LOW-LYING SPOTS FARTHER INLAND NEAR RIVERS AND CREEKS, 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 NORMALLY VULNERABLE LOW
SPOTS.
- MODERATE TO MAJOR BEACH EROSION WITH HEAVY SURF BREACHING
DUNES. STRONG AND NUMEROUS RIP CURRENTS.
- MINOR TO MODERATE DAMAGE TO MARINAS, DOCKS, BOARDWALKS, AND
PIERS. SEVERAL SMALL CRAFT BROKEN AWAY FROM MOORINGS,
ESPECIALLY IN UNPROTECTED ANCHORAGES. SOME NAVIGATION AIDS
POSSIBLY DISPLACED WELL OFF STATION, CREATING DIFFICULT
NAVIGATION NEAR INLETS AND WATERWAYS.
* WIND:
PROTECT AGAINST LIFE-THREATENING WIND HAVING POSSIBLE EXTENSIVE
IMPACTS ACROSS PORTIONS OF SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA,
ESPECIALLY CLOSER TO THE COAST FROM AROUND REIDSVILLE TO AROUND SAVANNAH,
AND AROUND BEAUFORT. POTENTIAL IMPACTS IN THIS AREA INCLUDE:
- CONSIDERABLE ROOF DAMAGE TO STURDY BUILDINGS, WITH SOME WINDOW,
DOOR, AND GARAGE DOOR FAILURES LEADING TO STRUCTURAL DAMAGE.
MOBILE HOMES SEVERELY DAMAGED, WITH SOME DESTROYED. DAMAGE
ACCENTUATED BY AIRBORNE PROJECTILES. SOME LOCATIONS MAY BE
UNINHABITABLE FOR WEEKS.
- DANGER OF DEATH OR INJURY FROM FALLING OBJECTS AND AIRBORNE
PROJECTILES OUTSIDE.
- LARGE TREES SNAPPED OR UPROOTED.
- SOME ROADS IMPASSABLE FROM LARGE DEBRIS, AND MORE WITHIN URBAN
OR HEAVILY WOODED LOCATIONS. SEVERAL BRIDGES AND ACCESS ROUTES
IMPASSABLE.
- LARGE AREAS WITH POWER AND COMMUNICATIONS OUTAGES, WHICH COULD
PERSIST FOR DAYS.
- SEVERAL SECURED SMALL CRAFT COULD BREAK FREE FROM MOORINGS.
* TORNADOES:
PROTECT AGAINST A DANGEROUS TORNADO EVENT HAVING POSSIBLE SIGNIFICANT
IMPACTS ACROSS SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA, ESPECIALLY
CLOSER TO THE COAST. POTENTIAL IMPACTS INCLUDE:
- ISOLATED TO SCATTERED TORNADOES CAN HINDER THE EXECUTION OF
EMERGENCY PLANS.
- SCATTERED LOCATIONS COULD EXPERIENCE ENHANCED DAMAGE DUE TO
TORNADOES WITH A FEW SPOTS OF CONSIDERABLE DAMAGE, POWER LOSS,
AND COMMUNICATIONS FAILURES.
- SCATTERED 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.
* OTHER COASTAL HAZARDS:
PREPARE FOR ADDITIONAL COASTAL HAZARDS ALONG THE ENTIRE SOUTHEAST
GEORGIA AND SOUTHEAST SOUTH CAROLINA COASTLINE INCLUDING DANGEROUS
RIP CURRENTS, HIGH SURF, AND BEACH EROSION.
PRECAUTIONARY/PREPAREDNESS ACTIONS
----------------------------------
* EVACUATIONS:
LISTEN TO LOCAL OFFICIAL FOR RECOMMENDED PREPAREDNESS ACTIONS,
INCLUDING POSSIBLE EVACUATION. IF ORDERED TO EVACUATE, DO SO
IMMEDIATELY.
* 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.
IF IN A PLACE THAT IS VULNERABLE TO HIGH WIND, SUCH AS NEAR LARGE
TREES, A MANUFACTURED HOME, UPPER FLOORS OF A HIGH-RISE BUILDING, OR
ON A BOAT, CONSIDER MOVING TO A SAFER SHELTER BEFORE THE ONSET OF
STRONG WINDS OR FLOODING.
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 CHARLESTON SC AROUND 6 AM EDT, OR SOONER IF CONDITIONS
WARRANT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
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