187  
FXUS01 KWBC 290801  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
400 AM EDT TUE AUG 29 2023  
 
VALID 12Z TUE AUG 29 2023 - 12Z THU AUG 31 2023  
 
...TROPICAL STORM IDALIA TO IMPACT MUCH OF WESTERN FLORIDA AND THE  
SOUTHEAST COAST...  
 
...FLASH FLOODING POSSIBLE ACROSS PORTIONS OF THE CENTRAL  
APPALACHIANS...  
 
...NORTHWEST AND GREAT LAKES/OHIO VALLEY REGIONS EXPERIENCE A COOL  
DOWN...  
 
TROPICAL STORM IDALIA IS FORECAST TO INTENSIFY INTO A HURRICANE  
TODAY AS IT MOVES THROUGH THE EASTERN GULF OF MEXICO TOWARD THE  
WESTERN COAST OF FLORIDA. SHOWERS AND THUNDERSTORMS SHOULD BEGIN  
TODAY ACROSS FLORIDA. THE MOST SIGNIFICANT IMPACTS ASSOCIATED WITH  
IDALIA WILL BE EXPERIENCED ALONG PORTIONS OF FLORIDA'S GULF COAST  
BETWEEN TAMPA BAY AND TALAHASSEE, WHERE THE FLASH FLOODING, SEVERE  
WEATHER, WIND AND STORM SURGE THREAT IS THE GREATEST. A MODERATE  
RISK OF EXCESSIVE RAINFALL LEADING TO FLASH FLOODING IS IN EFFECT  
FOR THE AFOREMENTIONED AREA. THERE IS A DANGER OF LIFE-THREATENING  
STORM SURGE INUNDATION ALONG PORTIONS OF THE FLORDIA GULF COAST  
WHERE A STORM SURGE WARNING IS IN EFFECT. HURRICANE, FLASH FLOOD  
AND STORM SURGE WARNINGS ARE ALL IN EFFECT ALONG FLORIDA'S GULF  
COAST. FOR MORE INFORMATION ON IDALIA, PLEASE GO TO HURRICANES.GOV.  
 
MEANWHILE A STATIONARY FRONT DRAPED ACROSS THE CENTRAL/SOUTHERN  
APPALACHIANS WILL BE THE FOCUS FOR HEAVY RAINFALL AS MOISTURE FROM  
THE GULF STREAMS NORTHWARD AND INTERACTS WITH THE BOUNDARY.  
UPSLOPE ENHANCEMENT ALONG THE TERRAIN WILL SUPPORT FLASH FLOODING  
CONCERNS, ESPECIALLY OVER PARTS OF THE LEE SIDE OF THE  
CENTRAL/SOUTHERN APPALACHIANS OUT INTO THE CAROLINA AND GEORGIA  
PIEDMONT REGIONS.  
 
KEBEDE  
 
GRAPHICS AVAILABLE AT  
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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