185  
WTUS82 KTAE 292135  
HLSTAE  
ALZ065>069-FLZ007>019-026>029-034-108-112-114-115-118-127-128-134-GAZ120>131-142>148-155>161-300545-  
 
HURRICANE IDALIA LOCAL STATEMENT ADVISORY NUMBER 13  
NATIONAL WEATHER SERVICE TALLAHASSEE FL AL102023  
535 PM EDT TUE AUG 29 2023 /435 PM CDT TUE AUG 29 2023/  
 
THIS PRODUCT COVERS EASTERN FLORIDA PANHANDLE, FLORIDA BIG BEND,  
SOUTHEASTERN ALABAMA AND SOUTHWESTERN GEORGIA  
 
...PREPARATIONS FOR EXPECTED MAJOR HURRICANE IDALIA SHOULD BE RUSHED  
TO COMPLETION...  
 
NEW INFORMATION  
---------------  
 
* CHANGES TO WATCHES AND WARNINGS:  
- THE TROPICAL STORM WARNING HAS BEEN UPGRADED TO A HURRICANE  
WARNING FOR BERRIEN, COOK, AND THOMAS  
- A TROPICAL STORM WARNING HAS BEEN ISSUED FOR BAKER, DOUGHERTY,  
AND LEE  
 
* CURRENT WATCHES AND WARNINGS:  
- A STORM SURGE WARNING AND HURRICANE WARNING ARE IN EFFECT FOR  
COASTAL DIXIE, COASTAL FRANKLIN, COASTAL JEFFERSON, COASTAL  
TAYLOR, AND COASTAL WAKULLA  
- A HURRICANE WARNING IS IN EFFECT FOR BERRIEN, BROOKS, COOK,  
INLAND DIXIE, INLAND JEFFERSON, INLAND TAYLOR, INLAND WAKULLA,  
LAFAYETTE, LANIER, LEON, LOWNDES, MADISON, AND THOMAS  
- A TROPICAL STORM WARNING IS IN EFFECT FOR BAKER, BEN HILL,  
COASTAL GULF, COLQUITT, DECATUR, DOUGHERTY, GADSDEN, GRADY,  
INLAND FRANKLIN, INLAND GULF, IRWIN, LEE, LIBERTY, MITCHELL,  
TIFT, TURNER, AND WORTH  
 
* STORM INFORMATION:  
- ABOUT 300 MILES SOUTH OF TALLAHASSEE OR ABOUT 270 MILES  
SOUTH-SOUTHWEST OF KEATON BEACH  
- 26.1N 84.8W  
- STORM INTENSITY 100 MPH  
- MOVEMENT NORTH OR 360 DEGREES AT 16 MPH  
 
SITUATION OVERVIEW  
------------------  
 
PREPARATIONS IN ADVANCE OF HURRICANE IDALIA SHOULD BE RUSHED TO  
COMPLETION BY SUNSET THIS EVENING.  
 
HURRICANE IDALIA CONTINUED TO STRENGTHEN THIS AFTERNOON. AT 5 PM EDT,  
THE CENTER OF IDALIA WAS LOCATED OVER THE EASTERN GULF OF MEXICO ABOUT  
280 MILES SOUTH OF SAINT MARKS FLORIDA. IDALIA IS MOVING TO THE NORTH  
AT 16 MPH. IDALIA NOW HAS TOP SUSTAINED WINDS OF 100 MPH. ADDITIONAL  
STRENGTHENING IS EXPECTED THROUGH TONIGHT, AND IDALIA IS EXPECTED TO  
BE A MAJOR HURRICANE AT LANDFALL ALONG THE BIG BEND COAST. IDALIA IS  
EXPECTED TO BE CATEGORY 3 HURRICANE AT LANDFALL AND COULD POSSIBLY BE  
A LOW-END CATEGORY 4.  
 
TO PUT THIS INTO HISTORICAL CONTEXT, THERE ARE NO MAJOR HURRICANES IN  
THE HISTORICAL DATASET GOING BACK TO 1851 THAT HAVE TRACKED INTO  
APALACHEE BAY. THIS HAS THE MAKINGS OF AN UNPRECEDENTED EVENT FOR THIS  
PART OF THE STATE.  
 
YOUR FINAL PREPARATIONS SHOULD BE RUSHED TO COMPLETION BY SUNSET THIS  
EVENING. IF YOU ARE UNDER AN EVACUATION ORDER, LEAVE AS SOON AS  
POSSIBLE. CONDITIONS WILL RAPIDLY DETERIORATE LATE TONIGHT AND EARLY  
WEDNESDAY MORNING.  
 
LIFE-THREATENING AND CATASTROPHIC STORM SURGE IS EXPECTED AROUND THE  
SHORES OF APALACHEE BAY. FROM THE AUCILLA RIVER TO YANKEETOWN, STORM  
SURGE INUNDATION OF 10 TO 15 FEET IS POSSIBLE. STORM SURGE WILL BE  
HIGHLY DEPENDENT ON THE STORM TRACK, WITH THE HIGHEST SURGE VALUES  
ALONG AND TO THE RIGHT OF WHERE THE CENTER MAKES LANDFALL. STORM SURGE  
WILL PEAK TONIGHT AND WEDNESDAY.  
 
A STORM SURGE WARNING IS IN EFFECT FROM INDIAN PASS TO THE SUWANNEE  
RIVER FOR THE DANGER OF LIFE THREATENING INUNDATION FROM RISING WATER  
MOVING INLAND. STORM SURGE INUNDATION ABOVE NORMALLY DRY GROUND COULD  
REACH THE FOLLOWING HEIGHTS, IF THE PEAK SURGE OCCURS WITH HIGH TIDE:  
1 TO 3 FEET FROM MEXICO BEACH TO INDIAN PASS, 3 TO 5 FEET FROM INDIAN  
PASS TO CARRABELLE, 4 TO 7 FEET FROM CARRABELLE TO THE MOUTH OF THE  
OCHLOCKONEE RIVER, 7 TO 11 FEET FROM THE OCHLOCKONEE RIVER TO THE  
AUCILLA RIVER, AND 10 TO 15 FEET FROM THE AUCILLA RIVER TO THE  
SUWANNEE RIVER. THE DEEPEST WATER WILL OCCUR ALONG THE IMMEDIATE  
COAST, WHERE THE SURGE WILL BE ACCOMPANIED BY LARGE AND DANGEROUS  
WAVES.  
 
A HURRICANE WARNING IS IN EFFECT ALONG THE COAST FROM INDIAN PASS TO  
THE SUWANNEE RIVER, PLUS INLAND PORTIONS OF THE FLORIDA BIG BEND AND  
THE I-75 CORRIDOR OF SOUTH GEORGIA. A TROPICAL STORM WARNING IS IN  
EFFECT FROM MEXICO BEACH TO INDIAN PASS, PLUS INLAND PORTIONS OF  
SOUTHWEST GEORGIA AS FAR NORTHWEST AS BAINBRIDGE, CAMILLA, AND  
SYLVESTER.  
 
TROPICAL STORM FORCE WINDS ARE MOST LIKELY TO ARRIVE ALONG THE COAST  
AFTER MIDNIGHT TONIGHT, THOUGH BRIEF INCREASES TO TROPICAL STORM FORCE  
IN RAIN BANDS ARE POSSIBLE STARTING EARLY THIS EVENING. PREPARATIONS  
FOR IDALIA NEED TO BE RUSHED TO COMPLETION. EXPECT DOWNED TREES AND  
POWERLINES, POSSIBLY WIDESPREAD IN THE BIG BEND REGION, WITH PROLONGED  
POWER OUTAGES POSSIBLE. ENSURE YOU HAVE ENOUGH SUPPLIES TO LAST FOR  
SEVERAL DAYS.  
 
RAINFALL AMOUNTS WILL BE HEAVIEST ALONG AND EAST OF THE TRACK OF  
IDALIA, ESPECIALLY IN THE FLORIDA BIG BEND INT SOUTH-CENTRAL GEORGIA.  
5 TO 8 INCHES OF RAIN ARE FORECAST, WITH ISOLATED HIGHER AMOUNTS  
POSSIBLE. THIS COULD LEAD TO LIFE THREATENING FLASH FLOODING. A FLOOD  
WATCH IS NOW IN EFFECT FROM GULF COUNTY, FL TO LEE COUNTY, GA AND ALL  
POINTS EASTWARD. RIVER FLOODING IS POSSIBLE IN THE OCHLOCKONEE,  
AUCILLA, SAINT MARKS, AND SUWANNEE BASINS, BUT FAST FORWARD MOTION OF  
THE STORMS WILL KEEP RIVER FLOODING MINOR.  
 
SEVERAL TORNADOES ARE POSSIBLE IN THE OUTER RAIN BANDS STARTING  
TONIGHT AND CONTINUING INTO WEDNESDAY. THIS WILL PRIMARILY BE NORTH  
AND EAST OF THE CENTER.  
 
LIFE-THREATENING RIP CURRENTS AND HIGH SURF ARE EXPECTED ALONG ALL  
BEACHES FOR AT LEAST THE NEXT COUPLE DAYS, WELL AWAY FROM THE CENTER.  
EVERYONE NEEDS TO STAY OUT OF THE WATER.  
 
POTENTIAL IMPACTS  
-----------------  
 
* SURGE:  
PROTECT AGAINST LIFE-THREATENING SURGE HAVING POSSIBLE CATASTROPHIC  
IMPACTS ACROSS THE BIG BEND COAST. POTENTIAL IMPACTS IN THIS AREA  
INCLUDE:  
- WIDESPREAD DEEP INUNDATION, WITH STORM SURGE FLOODING GREATLY  
ACCENTUATED BY POWERFUL BATTERING WAVES. STRUCTURAL DAMAGE TO  
BUILDINGS, WITH MANY WASHING AWAY. DAMAGE GREATLY COMPOUNDED  
FROM CONSIDERABLE FLOATING DEBRIS. LOCATIONS MAY BE  
UNINHABITABLE FOR AN EXTENDED PERIOD.  
- NEAR-SHORE ESCAPE ROUTES AND SECONDARY ROADS WASHED OUT OR  
SEVERELY FLOODED. FLOOD CONTROL SYSTEMS AND BARRIERS MAY BECOME  
STRESSED.  
- EXTREME BEACH EROSION. NEW SHORELINE CUTS POSSIBLE.  
- MASSIVE DAMAGE TO MARINAS, DOCKS, BOARDWALKS, AND PIERS.  
NUMEROUS SMALL CRAFT BROKEN AWAY FROM MOORINGS WITH MANY LIFTED  
ONSHORE AND STRANDED.  
 
ELSEWHERE ACROSS EASTERN FLORIDA PANHANDLE LITTLE TO NO IMPACT IS  
ANTICIPATED.  
 
* WIND:  
PROTECT AGAINST LIFE-THREATENING WIND HAVING POSSIBLE DEVASTATING  
IMPACTS ACROSS THE FLORIDA BIG BEND REGION AND SOUTH-CENTRAL GEORGIA.  
POTENTIAL IMPACTS IN THIS AREA INCLUDE:  
- STRUCTURAL DAMAGE TO STURDY BUILDINGS, SOME WITH COMPLETE ROOF  
AND WALL FAILURES. COMPLETE DESTRUCTION OF MOBILE HOMES. DAMAGE  
GREATLY ACCENTUATED BY LARGE AIRBORNE PROJECTILES. LOCATIONS  
MAY BE UNINHABITABLE FOR WEEKS OR MONTHS.  
- NUMEROUS LARGE TREES SNAPPED OR UPROOTED ALONG WITH FENCES AND  
ROADWAY SIGNS BLOWN OVER.  
- MANY ROADS IMPASSABLE FROM LARGE DEBRIS, AND MORE WITHIN URBAN  
OR HEAVILY WOODED PLACES. MANY BRIDGES, CAUSEWAYS, AND ACCESS  
ROUTES IMPASSABLE.  
- WIDESPREAD POWER AND COMMUNICATIONS OUTAGES.  
 
* FLOODING RAIN:  
 
AREAS OF FLASH AND URBAN FLOODING, SOME OF WHICH MAY BE LOCALLY  
SIGNIFICANT, ARE EXPECTED ACROSS PORTIONS OF THE FLORIDA BIG BEND, THE  
EASTERN PANHANDLE, AND SOUTHERN GEORGIA THROUGH WEDNESDAY.  
 
* TORNADOES:  
A FEW TORNADOES WILL BE POSSIBLE OVER THE FLORIDA BIG BEND TONIGHT, AND  
SPREADING INTO SOUTH GEORGIA WEDNESDAY. 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.  
 
ELSEWHERE ACROSS EASTERN FLORIDA PANHANDLE AND SOUTHEASTERN ALABAMA,  
LITTLE TO NO IMPACT IS ANTICIPATED.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS  
----------------------------------  
 
* EVACUATIONS:  
LISTEN TO LOCAL OFFICIAL FOR RECOMMENDED PREPAREDNESS ACTIONS,  
INCLUDING POSSIBLE EVACUATION. IF ORDERED TO EVACUATE, DO SO  
IMMEDIATELY.  
 
FOR THOSE NOT UNDER EVACUATION ORDERS, ASSESS THE RISK FROM WIND,  
FALLING TREES, AND FLOODING AT YOUR LOCATION. IF YOU DECIDE TO MOVE,  
RELOCATE TO A SAFER LOCATION NEARBY. IF YOU DO NOT RELOCATE, HELP KEEP  
ROADWAYS OPEN FOR THOSE UNDER EVACUATION ORDERS.  
 
IF EVACUATING, LEAVE WITH A DESTINATION IN MIND AND ALLOW EXTRA TIME  
TO GET THERE. TAKE YOUR EMERGENCY SUPPLIES KIT. GAS UP YOUR VEHICLE  
AHEAD OF TIME.  
 
LET OTHERS KNOW WHERE YOU ARE GOING PRIOR TO DEPARTURE. SECURE LOOSE  
ITEMS AND PETS IN THE CAR, AND AVOID DISTRACTED DRIVING.  
 
IF EVACUATING, FOLLOW DESIGNATED EVACUATION ROUTES. SEEK TRAFFIC  
INFORMATION ON ROADWAY SIGNS, THE RADIO, AND FROM OFFICIAL SOURCES.  
 
* OTHER PREPAREDNESS INFORMATION:  
ALL PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO  
COMPLETION. ENSURE YOU ARE IN A SAFE LOCATION BEFORE THE ONSET OF  
STRONG WINDS OR POSSIBLE FLOODING.  
 
IF YOU ARE RELOCATING TO SAFE SHELTER, LEAVE AS EARLY AS POSSIBLE.  
ALLOW EXTRA TIME TO REACH YOUR DESTINATION. MANY ROADS AND BRIDGES  
WILL BE CLOSED ONCE STRONG WINDS ARRIVE. CHECK THE LATEST WEATHER  
FORECAST BEFORE DEPARTING AND DRIVE WITH CAUTION.  
 
IF HEADING TO A COMMUNITY SHELTER, BECOME FAMILIAR WITH THE SHELTER  
RULES BEFORE ARRIVAL, ESPECIALLY IF YOU HAVE SPECIAL NEEDS OR HAVE  
PETS. TAKE ESSENTIAL ITEMS WITH YOU FROM YOUR EMERGENCY SUPPLIES KIT.  
 
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 IN WHICH  
YOU ARE STAYING AND THE NAME OF THE COUNTY 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.  
 
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!  
 
IF A TORNADO WARNING IS ISSUED FOR YOUR AREA, BE READY TO SHELTER  
QUICKLY, PREFERABLY AWAY FROM WINDOWS AND IN AN INTERIOR ROOM NOT  
PRONE TO FLOODING. IF DRIVING, SCAN THE ROADSIDE FOR QUICK SHELTER  
OPTIONS.  
 
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 ADDITIONAL DISASTER PREPAREDNESS INFORMATION SEE REDCROSS.ORG  
 
NEXT UPDATE  
-----------  
 
THE NEXT LOCAL STATEMENT WILL BE ISSUED BY THE NATIONAL WEATHER  
SERVICE IN TALLAHASSEE FL AROUND 1130 PM EDT, OR SOONER IF CONDITIONS  
WARRANT.  
 

 
 
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