070  
FXUS01 KWBC 191947  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
346 PM EDT SAT JUL 19 2025  
 
VALID 00Z SUN JUL 20 2025 - 00Z TUE JUL 22 2025  
 
...THERE IS A MODERATE RISK OF EXCESSIVE RAINFALL OVER PARTS OF  
THE OHIO VALLEY ON SATURDAY...  
 
...THERE IS A SLIGHT RISK OF EXCESSIVE RAINFALL OVER PARTS OF THE  
MIDDLE MISSISSIPPI/OHIO/TENNESSEE VALLEYS AND NORTHERN PLAINS ON  
SUNDAY...  
 
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER PARTS OF  
THE NORTHERN/CENTRAL HIGH PLAINS, GREAT LAKES/OHIO VALLEY/MIDDLE  
MISSISSIPPI VALLEY, AND MID-ATLANTIC ON SATURDAY AND PARTS OF THE  
NORTHEAST AND NORTHERN PLAINS ON SUNDAY...  
 
ON SATURDAY, A FRONT EXTENDING FROM THE GREAT LAKES TO THE CENTRAL  
PLAINS AND NORTHWESTWARD INTO THE NORTHERN HIGH PLAINS WILL MOVE  
EASTWARD OFF THE NORTHEAST/MID-ATLANTIC COAST TO THE OHIO  
VALLEY/MIDDLE MISSISSIPPI VALLEY AND INTO THE NORTHERN HIGH PLAINS  
BY MONDAY. MOISTURE POOLING ALONG THE FRONT OVER THE OHIO VALLEY  
WILL PRODUCE SHOWERS AND THUNDERSTORMS, ACCOMPANIED BY HEAVY RAIN,  
OVER PARTS OF THE OHIO VALLEY. THEREFORE, THE WPC HAS ISSUED A  
MODERATE RISK (LEVEL 3/4) OF EXCESSIVE RAINFALL OVER PARTS OF THE  
OHIO VALLEY THROUGH SUNDAY MORNING. NUMEROUS FLASH FLOODING EVENTS  
ARE POSSIBLE. ADDITIONALLY, MANY STREAMS MAY FLOOD, POTENTIALLY  
IMPACTING LARGER RIVERS.  
 
ADDITIONALLY, THE FRONT WILL PRODUCE SHOWERS AND SEVERE  
THUNDERSTORMS OVER PARTS OF THE GREAT LAKES, THE OHIO VALLEY, AND  
THE MIDDLE MISSISSIPPI VALLEY. THEREFORE, THE SPC HAS ISSUED A  
SLIGHT RISK (LEVEL 2/5) OF SEVERE THUNDERSTORMS OVER PARTS OF THE  
GREAT LAKES/OHIO VALLEY/MIDDLE MISSISSIPPI VALLEY THROUGH SUNDAY  
MORNING. THE HAZARDS ASSOCIATED WITH THESE THUNDERSTORMS INCLUDE  
FREQUENT LIGHTNING, SEVERE THUNDERSTORM WIND GUSTS, HAIL, AND A  
FEW TORNADOES.  
 
THE BOUNDARY WILL ALSO PRODUCE SHOWERS AND SEVERE THUNDERSTORMS  
OVER PARTS OF THE NORTHERN/CENTRAL HIGH PLAINS. THEREFORE, THE SPC  
HAS ISSUED A SLIGHT RISK (LEVEL 2/5) OF SEVERE THUNDERSTORMS OVER  
PARTS OF THE NORTHERN/CENTRAL HIGH PLAINS THROUGH SUNDAY MORNING.  
THE HAZARDS ASSOCIATED WITH THESE THUNDERSTORMS INCLUDE FREQUENT  
LIGHTNING, SEVERE THUNDERSTORM WIND GUSTS, HAIL, AND A FEW  
TORNADOES. MOREOVER, THERE IS AN INCREASED THREAT OF HAIL TWO  
INCHES OR GREATER OVER THE AREA. ADDITIONALLY, AIR QUALITY ALERTS  
ARE IN EFFECT OVER NORTHERN MINNESOTA DUE TO WILDFIRES IN CANADA  
FROM SATURDAY INTO MONDAY.  
 
FURTHERMORE, THE WARM FRONT OVER THE MID-ATLANTIC REGION WILL  
PRODUCE SHOWERS AND SEVERE THUNDERSTORMS OVER PARTS OF THE  
MID-ATLANTIC. THEREFORE, THE SPC HAS ISSUED A SLIGHT RISK (LEVEL  
2/5) OF SEVERE THUNDERSTORMS OVER PARTS OF THE MID-ATLANTIC  
THROUGH SUNDAY MORNING. THE HAZARDS ASSOCIATED WITH THESE  
THUNDERSTORMS ARE FREQUENT LIGHTNING, SEVERE THUNDERSTORM WIND  
GUSTS, HAIL, AND A FEW TORNADOES.  
 
MOREOVER, ON SUNDAY, MOISTURE WILL CONTINUE TO POOL ALONG THE  
FRONT, CREATING SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN OVER  
PARTS OF THE MIDDLE MISSISSIPPI/OHIO/TENNESSEE VALLEYS. THEREFORE,  
THE WPC HAS ISSUED A SLIGHT RISK (LEVEL 2/4) OF EXCESSIVE RAINFALL  
WITH THESE THUNDERSTORMS OVER PARTS OF THE MIDDLE  
MISSISSIPPI/OHIO/TENNESSEE VALLEYS FROM SUNDAY INTO MONDAY  
MORNING. THE ASSOCIATED HEAVY RAIN WILL PRIMARILY CREATE  
LOCALIZED AREAS OF FLASH FLOODING, WITH URBAN AREAS, ROADS, SMALL  
STREAMS, AND LOW-LYING AREAS BEING THE MOST VULNERABLE.  
 
ADDITIONALLY, ON SUNDAY, THE WESTERN END OF THE FRONT WILL TRIGGER  
SHOWERS AND THUNDERSTORMS, ACCOMPANIED BY HEAVY RAIN, OVER PARTS  
OF THE NORTHERN PLAINS. THEREFORE, THE WPC HAS ISSUED A SLIGHT  
RISK (LEVEL 2/4) OF EXCESSIVE RAINFALL WITH THESE THUNDERSTORMS  
OVER PARTS OF THE NORTHERN PLAINS FROM SUNDAY INTO MONDAY MORNING.  
THE ASSOCIATED HEAVY RAIN WILL PRIMARILY CREATE LOCALIZED AREAS  
OF FLASH FLOODING, WITH URBAN AREAS, ROADS, SMALL STREAMS, AND  
LOW-LYING AREAS BEING THE MOST VULNERABLE.  
 
AS THE FRONT MOVES ACROSS PARTS OF THE NORTHEAST, SHOWERS AND  
SEVERE THUNDERSTORMS WILL DEVELOP OVER THE AREA. THEREFORE, THE  
SPC HAS ISSUED A SLIGHT RISK (LEVEL 2/5) OF SEVERE THUNDERSTORMS  
OVER PARTS OF THE NORTHEAST FROM SUNDAY INTO MONDAY MORNING. THE  
HAZARDS ASSOCIATED WITH THESE THUNDERSTORMS ARE FREQUENT  
LIGHTNING, SEVERE THUNDERSTORM WIND GUSTS, HAIL, AND A MINIMAL  
THREAT OF TORNADOES.  
 
ADDITIONALLY, ON SUNDAY, SHOWERS AND SEVERE THUNDERSTORMS ARE  
EXPECTED TO DEVELOP OVER PARTS OF THE NORTHERN PLAINS. THEREFORE,  
THE SPC HAS ISSUED A SLIGHT RISK (LEVEL 2/5) OF SEVERE  
THUNDERSTORMS OVER PARTS OF THE NORTHERN PLAINS FROM SUNDAY INTO  
MONDAY MORNING. THE HAZARDS ASSOCIATED WITH THESE THUNDERSTORMS  
ARE FREQUENT LIGHTNING, SEVERE THUNDERSTORM WIND GUSTS, HAIL, AND  
A MINIMAL THREAT OF TORNADOES.  
 
ON MONDAY, SHOWERS AND THUNDERSTORMS WILL DEVELOP SOUTH OF THE  
FRONT FROM THE SOUTHERN MID-ATLANTIC TO THE GULF COAST AND FROM  
THE MIDDLE MISSISSIPPI VALLEY TO THE NORTHERN PLAINS. SHOWERS AND  
THUNDERSTORMS WILL ALSO DEVELOP OVER THE ROCKIES.  
 
ZIEGENFELDER  
 
GRAPHICS AVAILABLE AT  
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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