720  
WTUS82 KMFL 300904  
HLSMFL  
FLZ063-066>075-168-172>174-301715-  
 
HURRICANE IDALIA LOCAL STATEMENT ADVISORY NUMBER 15  
NATIONAL WEATHER SERVICE MIAMI FL AL102023  
504 AM EDT WED AUG 30 2023  
 
THIS PRODUCT COVERS SOUTH FLORIDA  
 
**ALL OVER LAND TROPICAL PRODUCTS HAVE BEEN CANCELLED**  
 
NEW INFORMATION  
---------------  
 
* CHANGES TO WATCHES AND WARNINGS:  
- ALL WATCHES AND WARNINGS HAVE BEEN CANCELED  
 
* CURRENT WATCHES AND WARNINGS:  
- NONE  
 
* STORM INFORMATION:  
- ABOUT 250 MILES NORTHWEST OF NAPLES FL  
- 29.1N 84.1W  
- STORM INTENSITY 130 MPH  
- MOVEMENT NORTH-NORTHEAST OR 25 DEGREES AT 18 MPH  
 
SITUATION OVERVIEW  
------------------  
 
HURRICANE IDALIA IS MOVING NORTHWARD ACROSS THE EASTERN GULF OF  
MEXICO THIS MORNING AND IS APPROACHING THE BIG BEND REGION OF FLORIDA  
WHERE IT IS EXPECTED TO MAKE LANDFALL. IT IS THEN EXPECTED TO MOVE  
NORTHEASTWARD ACROSS NORTHERN FLORIDA AND TOWARDS THE GEORGIA AND  
CAROLINAS COAST BY LATE WEDNESDAY INTO EARLY THURSDAY.  
 
THE FOLLOWING ARE THE PRIMARY HAZARDS OF CONCERN WITH IDALIA:  
 
* COASTAL FLOODING/SURGE - HIGHER THAN USUAL TIDES DUE TO THE  
COMBINATION OF SURGE FROM IDALIA AND THE UPCOMING FULL MOON COULD LEAD  
TO COASTAL FLOODING OF 1 TO 3 FEET ALONG COASTAL COLLIER AND MAINLAND  
MONROE COUNTIES. OTHER VULNERABLE COASTAL AREAS OF SOUTHERN FLORIDA  
COULD ALSO EXPERIENCE MINOR COASTAL FLOODING, ESPECIALLY AROUND THE  
TIMES OF HIGH TIDE.  
 
* RAINFALL - THE MAJORITY OF THE RAINFALL ASSOCIATED WITH THE SYSTEM  
IS FORECAST TO FALL THROUGH WEDNESDAY. ADDITIONAL RAIN AMOUNTS OF 1 TO  
3 INCHES WITH LOCALIZED HIGHER AMOUNTS ARE POSSIBLE. THE HIGHEST  
AMOUNTS ARE ANTICIPATED ALONG THE GULF COAST.  
 
* WIND - GUSTY SOUTHERLY WINDS CONTINUE ACROSS SOUTH FLORIDA. ALL OF  
SOUTH FLORIDA COULD SEE WINDS GUSTS UP TO 40MPH, WITH THE HIGHEST  
GUSTS LIKELY DURING THE DAY ON WEDNESDAY.  
 
* TORNADOES - A LOW-END TORNADO THREAT IS POSSIBLE THROUGH WEDNESDAY,  
MAINLY ACROSS THE LAKE OKEECHOBEE REGION.  
 
POTENTIAL IMPACTS  
-----------------  
 
* WIND:  
LITTLE TO NO IMPACTS ARE ANTICIPATED AT THIS TIME  
ACROSS SOUTH FLORIDA.  
 
* SURGE:  
LITTLE TO NO ADDITIONAL SURGE IMPACTS EXPECTED.  
 
ELSEWHERE ACROSS SOUTH FLORIDA, LITTLE TO NO IMPACT IS ANTICIPATED.  
 
* FLOODING RAIN:  
ADDITIONAL IMPACTS FROM FLOODING RAIN ARE STILL A CONCERN ACROSS  
SOUTH FLORIDA. REMAIN WELL GUARDED AGAINST LOCALLY HAZARDOUS FLOOD  
WATERS HAVING FURTHER IMPACTS OF LIMITED POTENTIAL.  
 
* TORNADOES:  
LITTLE TO NO IMPACTS ARE ANTICIPATED AT THIS TIME  
ACROSS SOUTH FLORIDA.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS  
----------------------------------  
 
* 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  
-----------  
 
AS IT PERTAINS TO THIS EVENT...THIS WILL BE THE LAST LOCAL STATEMENT  
ISSUED BY THE NATIONAL WEATHER SERVICE IN MIAMI FL REGARDING THE  
EFFECTS OF TROPICAL CYCLONE HAZARDS UPON THE AREA.  
 

 
 
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