459  
WTUS82 KKEY 300322  
HLSKEY  
FLZ078-300600-  
 
HURRICANE IDALIA LOCAL STATEMENT ADVISORY NUMBER 14  
NATIONAL WEATHER SERVICE KEY WEST FL AL102023  
1122 PM EDT TUE AUG 29 2023  
 
THIS PRODUCT COVERS THE FLORIDA KEYS  
 
**TROPICAL STORM WATCH DISCONTINUED FOR THE LOWER FLORIDA KEYS**  
 
NEW INFORMATION  
---------------  
 
* CHANGES TO WATCHES AND WARNINGS:  
- THE TROPICAL STORM WATCH HAS BEEN CANCELLED FOR MONROE LOWER  
KEYS  
 
* CURRENT WATCHES AND WARNINGS:  
- NONE  
 
* STORM INFORMATION:  
- ABOUT 280 MILES NORTHWEST OF KEY WEST FL  
- 27.7N 84.5W  
- STORM INTENSITY 110 MPH  
- MOVEMENT NORTH OR 10 DEGREES AT 18 MPH  
 
SITUATION OVERVIEW  
------------------  
 
HURRICANE IDALIA CONTINUES TO STRENGTHEN WHILE MOVING NORTHWARD IN THE  
EASTERN GULF OF MEXICO, AND IS NOW A CATEGORY TWO HURRICANE. WITH THE  
THREAT FOR SUSTAINED TROPICAL STORM FORCE WINDS HAVING ENDED FOR THE  
FLORIDA KEYS AND THE DRY TORTUGAS, ALL TROPICAL STORM WATCHES AND  
WARNINGS HAVE BEEN DISCONTINUED.  
 
STRONG SOUTHERLY WINDS WILL CONTINUE OVERNIGHT INTO WEDNESDAY MORNING  
OVER THE LOWER KEYS, WITH SUSTAINED WIND SPEEDS OF 20 TO 30 MPH AND  
PEAK GUSTS OF 35 TO 40 MPH EXPECTED. A WIND ADVISORY HAS BEEN ISSUED  
FOR THE LOWER KEYS THROUGH WEDNESDAY MORNING.  
 
THE PERSISTENT AND STRONG SOUTHERLY WINDS, ALONG WITH KING TIDES, WILL  
LIKELY CONTINUE TO CAUSE COASTAL FLOODING UP TO AROUND 2 FEET ABOVE  
NORMAL HIGH TIDES, WITH THE GREATEST THREAT ACROSS THE LOWER KEYS  
DURING THE HIGH TIDE ON WEDNESDAY MORNING. A COASTAL FLOOD WARNING  
REMAINS IN EFFECT FOR THE LOWER KEYS, WITH A COASTAL FLOOD ADVISORY  
FOR THE MIDDLE KEYS, AND A COASTAL FLOOD STATEMENT FOR THE UPPER KEYS.  
 
POTENTIAL IMPACTS  
-----------------  
 
* WIND:  
LITTLE TO NO ADDITIONAL IMPACTS ARE ANTICIPATED AT THIS TIME ACROSS  
THE FLORIDA KEYS.  
 
* SURGE:  
SURGE IMPACTS WILL CONTINUE ACROSS THE LOWER FLORIDA KEYS THROUGH THE  
WEDNESDAY MORNING HIGH TIDE CYCLE. REMAIN WELL AWAY FROM LOCALLY  
HAZARDOUS SURGE HAVING ADDITIONAL LIMITED IMPACTS. THESE IMPACTS  
INCLUDE:  
- LOCALIZED INUNDATION WITH STORM SURGE FLOODING MAINLY ALONG  
IMMEDIATE SHORELINES AND IN LOW-LYING SPOTS, OR IN AREAS  
FARTHER INLAND NEAR WHERE HIGHER SURGE WATERS MOVE ASHORE.  
- SECTIONS OF ROADS AND PARKING LOTS INUNDATED BY SURGE WATER.  
DRIVING CONDITIONS DANGEROUS IN PLACES WHERE SURGE WATER COVERS  
THE ROAD.  
- MODERATE BEACH EROSION.  
- MINOR TO LOCALLY MODERATE DAMAGE TO MARINAS, DOCKS, BOARDWALKS,  
AND PIERS. A FEW SMALL CRAFT BROKEN AWAY FROM MOORINGS.  
 
* FLOODING RAIN:  
LITTLE TO NO IMPACTS ARE ANTICIPATED AT THIS TIME ACROSS THE FLORIDA  
KEYS.  
 
* TORNADOES:  
LITTLE TO NO IMPACTS ARE ANTICIPATED AT THIS TIME ACROSS THE FLORIDA  
KEYS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS  
----------------------------------  
 
* ADDITIONAL SOURCES OF INFORMATION:  
- FOR INFORMATION ON APPROPRIATE PREPARATIONS SEE READY.GOV  
- FOR ADDITIONAL DISASTER PREPAREDNESS INFORMATION SEE REDCROSS.ORG  
- FOR FLORIDA DIVISION OF EMERGENCY MANAGEMENT INFORMATION, SEE  
FLORIDADISASTER.ORG  
 
NEXT UPDATE  
-----------  
 
THIS WILL BE THE LAST LOCAL STATEMENT ISSUED BY THE NATIONAL WEATHER  
SERVICE IN KEY WEST REGARDING THE EFFECTS OF HURRICANE IDALIA.  
 

 
 
JACOBSON  
 
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