487  
WTUS82 KMLB 282157  
HLSMLB  
FLZ041-044>046-053-058-141-144-154-159-164-247-254-259-264-347-447-547-647-747-290600-  
 
TROPICAL STORM IDALIA LOCAL STATEMENT ADVISORY NUMBER 9  
NATIONAL WEATHER SERVICE MELBOURNE FL AL102023  
557 PM EDT MON AUG 28 2023  
 
THIS PRODUCT COVERS EAST CENTRAL FLORIDA  
 
**TROPICAL STORM IDALIA ON THE CUSP OF BECOMING A HURRICANE**  
 
NEW INFORMATION  
---------------  
 
* CHANGES TO WATCHES AND WARNINGS:  
- THE TROPICAL STORM WATCH HAS BEEN UPGRADED TO A TROPICAL STORM  
WARNING FOR ORANGE, OSCEOLA, AND SEMINOLE  
 
* CURRENT WATCHES AND WARNINGS:  
- A TROPICAL STORM WARNING IS IN EFFECT FOR NORTHERN LAKE,  
ORANGE, OSCEOLA, SEMINOLE, AND SOUTHERN LAKE  
- A TROPICAL STORM WATCH IS IN EFFECT FOR COASTAL VOLUSIA, INLAND  
NORTHERN BREVARD, INLAND SOUTHERN BREVARD, INLAND VOLUSIA,  
MAINLAND NORTHERN BREVARD, MAINLAND SOUTHERN BREVARD, NORTHERN  
BREVARD BARRIER ISLANDS, AND SOUTHERN BREVARD BARRIER ISLANDS  
 
* STORM INFORMATION:  
- ABOUT 550 MILES SOUTH-SOUTHWEST OF LEESBURG FL  
- 21.4N 85.1W  
- STORM INTENSITY 70 MPH  
- MOVEMENT NORTH OR 360 DEGREES AT 8 MPH  
 
SITUATION OVERVIEW  
------------------  
 
THE CENTER OF TROPICAL STORM IDALIA IS LOCATED AROUND 35 MILES  
SOUTH OF THE WESTERN TIP OF CUBA LATE THIS AFTERNOON. WITH MAXIMUM  
SUSTAINED WINDS OF 70 MPH, IDALIA IS MOVING NORTH AT ABOUT 8 MPH, AND  
A CONTINUED NORTHWARD MOTION IS EXPECTED TONIGHT AND TUESDAY. IDALIA  
IS FORECAST TO CROSS THE FLORIDA GULF COAST LATE ON WEDNESDAY AS A  
MAJOR HURRICANE. PREPARATIONS SHOULD BE ONGOING FOR LOCAL TROPICAL  
STORM CONDITIONS BY TUESDAY NIGHT AND INTO WEDNESDAY.  
 
A TROPICAL STORM WARNING REMAINS IN EFFECT FOR LAKE COUNTY. A TROPICAL  
STORM WARNING IS NOW IN EFFECT FOR OSCEOLA, ORANGE AND SEMINOLE  
COUNTIES. A TROPICAL STORM WATCH REMAINS IN EFFECT FOR VOLUSIA AND  
BREVARD COUNTIES. FOR THE ATLANTIC WATERS, A TROPICAL STORM WATCH  
REMAINS IN EFFECT NORTH OF SEBASTIAN INLET.  
 
SHOWERS AND SQUALLS ASSOCIATED WITH OUTER RAIN BANDS FROM IDALIA  
SHOULD REACH CENTRAL FLORIDA ON TUESDAY, WITH CONDITIONS FURTHER  
DETERIORATING TUESDAY NIGHT AND WEDNESDAY AS IDALIA ACCELERATES  
NORTH-NORTHEASTWARD ACROSS THE EASTERN GULF OF MEXICO. THE POSSIBILITY  
OF STRONG TO DAMAGING WIND GUSTS IN SQUALLS WILL INCREASE AS TROPICAL  
STORM FORCE WINDS EXTEND WELL EASTWARD FROM THE STORM'S CENTER. BASED  
ON THE CURRENT FORECAST TRACK, IDALIA WILL MAKE ITS CLOSEST PASS TO  
EAST-CENTRAL FLORIDA LATE TUESDAY NIGHT AND EARLY WEDNESDAY MORNING,  
CONTINUING NORTHEASTWARD DURING THE DAY ON WEDNESDAY. WEDNESDAY WILL  
BE A WINDY DAY EVEN OUTSIDE OF SQUALLS.  
 
WHILE THE HEAVIEST RAINFALL FROM IDALIA IS CURRENTLY FORECAST TO FALL  
ALONG THE GULF COAST AND WESTERN FLORIDA PENINSULA, GUSTY SQUALLS WILL  
BE CAPABLE OF TORRENTIAL DOWNPOURS, ESPECIALLY TUESDAY AND WEDNESDAY.  
ONE TO TWO INCHES OF RAIN FROM MONDAY AFTERNOON THROUGH WEDNESDAY  
NIGHT IS FORECAST FOR COASTAL AREAS AND OKEECHOBEE COUNTY, AND TWO TO  
FOUR INCHES IS FORECAST WEST OF I-95 FROM BREVARD AND OSCEOLA COUNTIES  
NORTHWARD, WITH LOCALLY HIGHER AMOUNTS POSSIBLE. LOCATIONS IN CLOSER  
PROXIMITY TO THE CENTER OF IDALIA, GENERALLY ALONG AND WEST OF  
INTERSTATE FOUR IN EAST-CENTRAL FLORIDA, MAY RECEIVE HIGHER RAINFALL  
TOTALS.  
 
IN ADDITION TO STRONG WIND GUSTS, A THREAT FOR TORNADOES IS FORECAST  
TO DEVELOP FROM TUESDAY AFTERNOON CONTINUING INTO WEDNESDAY.  
 
INCOMING ATLANTIC SWELL FROM MAJOR HURRICANE FRANKLIN COMBINED WITH  
WINDS FROM IDALIA WILL LEAD TO HIGH SEAS, ROUGH SURF, AN INCREASE IN  
LIFE-THREATENING RIP CURRENTS, AND BEACH EROSION DURING HIGH TIDES  
DURING TUESDAY AND WEDNESDAY.  
 
DO NOT LET YOUR GUARD DOWN. IMPACTS FROM IDALIA WILL BE FELT FAR FROM  
THE CENTER OF THE STORM. NOW IS THE TIME TO ENSURE YOUR HURRICANE  
SUPPLY KIT IS STOCKED AND YOUR SAFETY PLAN IS IN PLACE.  
 
AS IDALIA BECOMES BETTER ORGANIZED THROUGH TONIGHT, ADDITIONAL CHANGES  
TO THE CURRENT FORECAST ARE POSSIBLE. ANY EASTWARD ADJUSTMENTS IN THE  
FORECAST TRACK WOULD INCREASE THE POTENTIAL FOR LOCAL IMPACTS, SO  
CONTINUE TO MONITOR THE LATEST FORECASTS FROM THE NATIONAL HURRICANE  
CENTER AND NATIONAL WEATHER SERVICE IN MELBOURNE, FLORIDA.  
 
POTENTIAL IMPACTS  
-----------------  
 
* WIND:  
PROTECT AGAINST DANGEROUS WIND HAVING POSSIBLE SIGNIFICANT IMPACTS  
ACROSS PORTIONS OF EAST CENTRAL FLORIDA. 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.  
 
* FLOODING RAIN:  
PROTECT AGAINST DANGEROUS RAINFALL FLOODING HAVING POSSIBLE  
SIGNIFICANT IMPACTS ACROSS PORTIONS OF EAST CENTRAL FLORIDA. POTENTIAL  
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:  
PROTECT AGAINST A DANGEROUS TORNADO EVENT HAVING POSSIBLE SIGNIFICANT  
IMPACTS ACROSS PORTIONS OF EAST CENTRAL FLORIDA. 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.  
 
* SURGE:  
DIRECT SURGE IMPACTS FROM IDALIA ARE NOT CURRENTLY ANTICIPATED AT THIS TIME.  
HOWEVER, LARGER SWELLS AND SURF COMBINED WITH HURRICANE FRANKLIN WILL BRING  
A THREAT FOR MINOR COASTAL FLOODING AND BEACH EROSION. LOCATIONS MORE  
VULNERABLE TO COASTAL FLOODING AND BEACH EROSION, SUCH AS PORTIONS OF THE  
VOLUSIA AND BREVARD COUNTY COAST, SHOULD STAY UPDATED ON THE LATEST FORECASTS.  
 
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.  
 
* OTHER PREPAREDNESS INFORMATION:  
NOW IS THE TIME TO CHECK YOUR EMERGENCY PLAN AND EMERGENCY SUPPLIES KIT  
AND TAKE NECESSARY ACTIONS TO PROTECT YOUR FAMILY AND SECURE YOUR HOME  
OR BUSINESS.  
 
WHEN MAKING SAFETY AND PREPAREDNESS DECISIONS, DO NOT FOCUS ON THE  
EXACT FORECAST TRACK SINCE HAZARDS SUCH AS FLOODING RAIN, DAMAGING  
WIND GUSTS, AND TORNADOES EXTEND WELL AWAY FROM THE CENTER OF THE STORM.  
 
WHEN SECURING YOUR PROPERTY, OUTSIDE PREPARATIONS SHOULD BE  
CONCLUDED AS SOON AS POSSIBLE BEFORE CONDITIONS DETERIORATE. THE  
ONSET OF STRONG GUSTY WINDS OR FLOODING CAN CAUSE CERTAIN  
PREPAREDNESS ACTIVITIES TO BECOME UNSAFE.  
 
CLOSELY MONITOR WEATHER.GOV, NOAA WEATHER RADIO AND LOCAL NEWS  
OUTLETS FOR OFFICIAL STORM INFORMATION. LISTEN FOR POSSIBLE CHANGES  
TO THE FORECAST.  
 
THERE IS A THREAT FROM TORNADOES WITH THIS STORM. HAVE MULTIPLE WAYS  
TO RECEIVE TORNADO WARNINGS. BE READY TO SHELTER QUICKLY.  
 
* 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 MELBOURNE FL AROUND MIDNIGHT EDT, OR SOONER IF CONDITIONS  
WARRANT.  
 

 
 
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