350  
FXUS01 KWBC 102001  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
400 PM EDT SAT AUG 10 2024  
 
VALID 00Z SUN AUG 11 2024 - 00Z TUE AUG 13 2024  
 
...THERE IS A SLIGHT RISK OF EXCESSIVE RAINFALL OVER PARTS OF THE  
SOUTHERN MID-ATLANTIC ON SATURDAY EVENING AND SUNDAY...  
 
...THERE IS A SLIGHT RISK OF EXCESSIVE RAINFALL OVER PARTS OF THE  
EASTERN GREAT BASIN/SOUTHWEST AND A SECOND AREA OVER PARTS OF THE  
CENTRAL/SOUTHERN PLAINS AND MIDDLE/LOWER MISSISSIPPI VALLEY ON  
SUNDAY...  
 
...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS OVER PARTS OF  
THE NORTHERN/CENTRAL ROCKIES, NORTHERN/CENTRAL HIGH PLAINS, AND  
THE GREAT BASIN ON SATURDAY EVENING...  
 
...THERE ARE HEAT ADVISORIES OVER PARTS OF THE WESTERN GULF COAST  
AND FLORIDA† 
 
A WEAK FRONT LINGERS ACROSS THE MID-ATLANTIC TO THE EASTERN GULF  
COAST THROUGH MONDAY. TROPICAL MOISTURE POOLS ALONG THE BOUNDARY  
WILL TRIGGER SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN OVER PARTS  
OF EXTREME SOUTHEASTERN VIRGINIA, MOST OF CENTRAL/EASTERN NORTH  
CAROLINA, AND NORTHEASTERN SOUTH CAROLINA. THEREFORE, THE WPC HAS  
ISSUED A SLIGHT RISK (LEVEL 2/4) OF EXCESSIVE RAINFALL OVER PARTS  
OF THE SOUTHERN MID-ATLANTIC THROUGH SUNDAY MORNING. THE  
ASSOCIATED HEAVY RAIN WILL CREATE MAINLY LOCALIZED AREAS OF FLASH  
FLOODING, WITH URBAN AREAS, ROADS, SMALL STREAMS, AND LOW-LYING  
AREAS THE MOST VULNERABLE.  
 
ON SUNDAY, THE LINGERING FRONT AND TROPICAL MOISTURE WILL PRODUCE  
SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN OVER PARTS OF EASTERN  
NORTH CAROLINA, EASTERN SOUTH CAROLINA, AND EXTREME EASTERN  
GEORGIA. THEREFORE, THE WPC HAS ISSUED A SLIGHT RISK (LEVEL 2/4)  
OF EXCESSIVE RAINFALL OVER PARTS OF THE SOUTHERN MID-ATLANTIC FROM  
SUNDAY THROUGH MONDAY MORNING. THE ASSOCIATED HEAVY RAIN WILL  
CREATE MAINLY LOCALIZED AREAS OF FLASH FLOODING, WITH URBAN AREAS,  
ROADS, SMALL STREAMS, AND LOW-LYING AREAS THE MOST VULNERABLE.  
 
MEANWHILE, ON SATURDAY, DISORGANIZED UPPER-LEVEL ENERGY OVER THE  
NORTHERN INTERMOUNTAIN REGION AND NORTHERN ROCKIES WILL TRIGGER  
SHOWERS AND STRONG TO SEVERE THUNDERSTORMS OVER PARTS OF THE  
NORTHERN/CENTRAL ROCKIES, NORTHERN/CENTRAL HIGH PLAINS, AND THE  
GREAT BASIN. THEREFORE, THE SPC HAS ISSUED A MARGINAL RISK (LEVEL  
1/5) OF SEVERE THUNDERSTORMS OVER PARTS OF THE REGION THROUGH  
SUNDAY MORNING. THE HAZARDS ASSOCIATED WITH THESE THUNDERSTORMS  
ARE FREQUENT LIGHTNING, SEVERE THUNDERSTORM WIND GUSTS, HAIL, AND  
A MINIMAL THREAT OF TORNADOES.  
 
FURTHERMORE, MONSOONAL MOISTURE AND DAYTIME HEATING WILL PRODUCE  
SHOWERS AND THUNDERSTORMS OVER PARTS OF THE SOUTHWEST THROUGH LATE  
SATURDAY EVENING. IN ADDITION, WEAK UPPER-LEVEL ENERGY WILL CREATE  
SHOWERS AND THUNDERSTORMS OVER PARTS OF THE CENTRAL/SOUTHERN  
PLAINS THROUGH SUNDAY MORNING.  
 
MOREOVER, A SLIGHT INCREASE IN MONSOONAL MOISTURE AND UPPER-LEVEL  
IMPULSE WILL PRODUCE SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN  
OVER PARTS OF NORTHWESTERN ARIZONA AND SOUTHWESTERN UTAH.  
THEREFORE, THE WPC HAS ISSUED A SLIGHT RISK (LEVEL 2/4) OF  
EXCESSIVE RAINFALL OVER PARTS OF THE EASTERN GREAT BASIN/SOUTHWEST  
FROM SUNDAY THROUGH MONDAY MORNING. THE ASSOCIATED HEAVY RAIN  
WILL CREATE MAINLY LOCALIZED AREAS OF FLASH FLOODING, WITH URBAN  
AREAS, ROADS, SMALL STREAMS, AND LOW-LYING AREAS THE MOST  
VULNERABLE.  
 
FURTHER, ON SUNDAY, ANOTHER AREA OF UPPER-LEVEL ENERGY AND A  
VIGOROUS PLUME OF MOISTURE WILL TRIGGER SHOWERS AND THUNDERSTORMS  
OVER PARTS OF EASTERN KANSAS/ OKLAHOMA AND SOUTHWESTERN  
MISSOURI/NORTHWESTERN ARKANSAS. THEREFORE, THE WPC HAS ISSUED A  
SLIGHT RISK (LEVEL 2/4) OF EXCESSIVE RAINFALL OVER PARTS OF THE  
CENTRAL/SOUTHERN PLAINS AND MIDDLE/LOWER MISSISSIPPI VALLEY FROM  
SUNDAY THROUGH MONDAY MORNING. THE ASSOCIATED HEAVY RAIN WILL  
CREATE MAINLY LOCALIZED AREAS OF FLASH FLOODING, WITH URBAN AREAS,  
ROADS, SMALL STREAMS, AND LOW-LYING AREAS THE MOST VULNERABLE.  
 
ON MONDAY, SHOWERS AND THUNDERSTORMS WILL CONTINUE OVER PARTS OF  
THE SOUTHWEST EASTERN GREAT BASIN AND CENTRAL/SOUTHERN ROCKIES.  
MOREOVER, A WAVE OF LOW PRESSURE OVER PARTS OF THE  
CENTRAL/SOUTHERN PLAINS AND MIDDLE/LOWER MISSISSIPPI VALLEY WILL  
TRIGGER SHOWERS AND THUNDERSTORMS OVER THE REGION.  
 
ELSEWHERE, ON SATURDAY, PARTS OF THE WESTERN GULF COAST  
EXPERIENCED HIGH TEMPERATURES IN THE MID-90S AND DEW POINTS IN THE  
MID-70S, PROMPTING HEAT ADVISORIES. SIMILARLY, HIGH TEMPERATURES  
IN THE MID-90S AND DEW POINTS IN THE MID-70S PROMPTED HEAT  
ADVISORIES OVER FLORIDA.  
 
ZIEGENFELDER  
 
GRAPHICS AVAILABLE AT  
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  
 

 
 
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