858  
WTUS82 KTBW 301505  
HLSTBW  
FLZ043-050-052-056-057-061-139-142-148-149-151-155-160-162-165-239-242-248-249-251-255-260-262-265-302315-  
 
HURRICANE IDALIA LOCAL STATEMENT ADVISORY NUMBER 16  
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL AL102023  
1105 AM EDT WED AUG 30 2023  
 
THIS PRODUCT COVERS WEST CENTRAL AND SOUTHWEST FLORIDA  
 
**LIFE-THREATENING STORM SURGE, TROPICAL STORM FORCE CONDITIONS  
CONTINUE AS IDALIA MOVES AWAY**  
 
NEW INFORMATION  
---------------  
 
* CHANGES TO WATCHES AND WARNINGS:  
- A TROPICAL STORM WARNING HAS BEEN ISSUED AND THE HURRICANE  
WARNING HAS BEEN CANCELLED FOR COASTAL CITRUS, COASTAL  
HERNANDO, COASTAL HILLSBOROUGH, COASTAL LEVY, COASTAL MANATEE,  
COASTAL PASCO, INLAND CITRUS, INLAND HERNANDO, INLAND  
HILLSBOROUGH, INLAND LEVY, INLAND MANATEE, INLAND PASCO,  
PINELLAS, AND SUMTER  
 
* CURRENT WATCHES AND WARNINGS:  
- A STORM SURGE WARNING AND TROPICAL STORM WARNING ARE IN EFFECT  
FOR COASTAL CITRUS, COASTAL HERNANDO, COASTAL HILLSBOROUGH,  
COASTAL LEVY, COASTAL MANATEE, COASTAL PASCO, COASTAL SARASOTA,  
INLAND CITRUS, AND PINELLAS  
- A TROPICAL STORM WARNING AND STORM SURGE WATCH ARE IN EFFECT  
FOR COASTAL CHARLOTTE AND COASTAL LEE  
- A TROPICAL STORM WARNING IS IN EFFECT FOR DESOTO, HARDEE,  
INLAND CHARLOTTE, INLAND HERNANDO, INLAND HILLSBOROUGH, INLAND  
LEE, INLAND LEVY, INLAND MANATEE, INLAND PASCO, INLAND  
SARASOTA, POLK, AND SUMTER  
 
* STORM INFORMATION:  
- ABOUT 100 MILES NORTH OF CEDAR KEY FL  
- 30.6N 83.2W  
- STORM INTENSITY 90 MPH  
- MOVEMENT NORTH-NORTHEAST OR 30 DEGREES AT 20 MPH  
 
SITUATION OVERVIEW  
------------------  
 
HURRICANE IDALIA MADE LANDFALL THIS MORNING AS A MAJOR HURRICANE  
NEAR KEATON BEACH, FLORIDA. AS IDALIA CONTINUES MOVE AWAY, TROPICAL  
STORM FORCE CONDITIONS CONTINUE ACROSS WEST CENTRAL AND SOUTHWEST  
FLORIDA.  
 
THE FOLLOWING ARE THE PRIMARY HAZARDS OF CONCERN WITH IDALIA:  
 
* STORM SURGE - AREAS ACROSS WEST CENTRAL AND SOUTHWEST FLORIDA SHOULD  
EXPECT SURGE LEVELS TO REMAIN NEARLY STEADY THROUGH THE DAY AS AN  
ONSHORE WIND KEEPS WATER PILED UP ALONG THE COAST.  
 
* WIND - TROPICAL STORM FORCE WINDS REMAIN POSSIBLE AS OUTER RAIN  
BANDS FROM IDALIA MOVE ACROSS THE REGION.  
 
* RAINFALL - HEAVY RAINFALL REMAINS POSSIBLE, WITH AREA RIVERS RISING  
INTO ACTION OF FLOOD STAGE. MINOR INLAND FLOODING IN LOW- LYING AREAS  
WITH POOR DRAINAGE REMAINS POSSIBLE. A FLOOD WATCH ALSO REMAINS IN  
EFFECT.  
 
POTENTIAL IMPACTS  
-----------------  
 
* SURGE:  
POTENTIAL IMPACTS FROM THE MAIN SURGE EVENT ARE NOW UNFOLDING ACROSS  
WEST CENTRAL AND SOUTHWEST FLORIDA. REMAIN WELL AWAY FROM LIFE-  
THREATENING SURGE HAVING ADDITIONAL DEVASTATING IMPACTS. IF REALIZED,  
THESE IMPACTS 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.  
 
* WIND:  
POTENTIAL IMPACTS FROM THE MAIN WIND EVENT ARE NOW UNFOLDING ACROSS  
WEST CENTRAL AND SOUTHWEST FLORIDA. REMAIN WELL SHELTERED FROM  
DANGEROUS WIND HAVING ADDITIONAL SIGNIFICANT IMPACTS. IF REALIZED,  
THESE IMPACTS 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.  
 
* FLOODING RAIN:  
POTENTIAL IMPACTS FROM THE FLOODING RAIN ARE STILL UNFOLDING ACROSS  
WEST CENTRAL AND SOUTHWEST FLORIDA. REMAIN WELL GUARDED AGAINST  
DANGEROUS FLOOD WATERS HAVING ADDITIONAL SIGNIFICANT IMPACTS. IF  
REALIZED, THESE 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.  
 
* TORNADOES:  
POTENTIAL IMPACTS FROM TORNADOES ARE STILL UNFOLDING ACROSS WEST  
CENTRAL AND SOUTHWEST FLORIDA. REMAIN WELL BRACED AGAINST A TORNADO  
EVENT HAVING ADDITIONAL LIMITED IMPACTS. IF REALIZED, THESE IMPACTS  
INCLUDE:  
- THE OCCURRENCE OF ISOLATED TORNADOES CAN HINDER THE EXECUTION  
OF EMERGENCY PLANS DURING TROPICAL EVENTS.  
- A FEW PLACES MAY EXPERIENCE TORNADO DAMAGE, ALONG WITH POWER  
AND COMMUNICATIONS DISRUPTIONS.  
- LOCATIONS COULD REALIZE ROOFS PEELED OFF BUILDINGS, CHIMNEYS  
TOPPLED, MOBILE HOMES PUSHED OFF FOUNDATIONS OR OVERTURNED,  
LARGE TREE TOPS AND BRANCHES SNAPPED OFF, SHALLOW-ROOTED TREES  
KNOCKED OVER, MOVING VEHICLES BLOWN OFF ROADS, AND BOATS PULLED  
FROM MOORINGS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS  
----------------------------------  
 
* EVACUATIONS:  
DO NOT ENTER EVACUATED AREAS UNTIL OFFICIALS HAVE GIVEN THE ALL CLEAR  
TO RETURN.  
 
* OTHER PREPAREDNESS INFORMATION:  
DO NOT BE A THRILL SEEKER OR RISK YOUR LIFE FOR SENSELESS PHOTOS OR  
VIDEOS.  
 
IF A TORNADO WARNING IS ISSUED FOR YOUR AREA, QUICKLY MOVE TO THE  
SAFEST PLACE WITHIN YOUR SHELTER. PROTECT YOUR HEAD AND BODY.  
 
* 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 TAMPA BAY RUSKIN FL AROUND 6PM EDT, OR SOONER IF  
CONDITIONS WARRANT.  
 

 
 
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