903  
FXUS01 KWBC 301902  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
301 PM EDT WED APR 30 2025  
 
VALID 00Z THU MAY 01 2025 - 00Z SAT MAY 03 2025  
 
...EPISODES OF HEAVY RAIN AND SEVERE THUNDERSTORMS WILL KEEP  
HEIGHTENED FLASH FLOODING CONCERNS ACROSS THE SOUTH-CENTRAL U.S.  
THROUGH EARLY THURSDAY...  
 
...SHOWERS AND EMBEDDED SEVERE THUNDERSTORMS EXPECTED TO SHIFT  
EAST INTO THE MID-MISSISSIPPI, OHIO, AND TENNESSEE VALLEYS ON  
THURSDAY...  
 
...POTENTIAL FOR STRONG TO SEVERE THUNDERSTORMS RETURNS TO THE  
SOUTH-CENTRAL PLAINS ON FRIDAY...  
 
A STALLED FRONTAL BOUNDARY INTERACTING WITH UPPER-LEVEL  
DISTURBANCES EJECTING FROM THE SOUTHERN ROCKIES WILL REMAIN THE  
FOCUS FOR ADDITIONAL EPISODES OF HEAVY RAINFALL AND SEVERE  
THUNDERSTORMS ACROSS THE SOUTH-CENTRAL U.S. INTO EARLY THURSDAY.  
THE HEAVIEST RAIN THREAT WILL BE CONFINED TO PORTIONS OF  
SOUTHEASTERN OKLAHOMA INTO NORTHEASTERN TEXAS AND WESTERN ARKANSAS  
WHERE A MODERATE RISK OF FLASH FLOODING REMAINS IN PLACE. AN  
ENHANCED RISK OF SEVERE THUNDERSTORMS IS ALSO EMBEDDED WITHIN THIS  
GENERAL AREA. A SLIGHT RISK OF SEVERE THUNDERSTORMS AND FLASH  
FLOODING IS EXPECTED FOR A LARGER PORTION OF THE SOUTH-CENTRAL  
U.S. INTO TONIGHT. BY THURSDAY, A LOW PRESSURE SYSTEM FORMING  
ALONG THE FRONT WILL BEGIN TO TRACK NORTHEASTWARD ACROSS THE  
MID-MISSISSIPPI VALLEY INTO THE MIDWEST, WHICH WILL EFFECTIVELY  
END THE HEAVY RAINFALL AND SEVERE WEATHER THREATS ACROSS THE  
SOUTH-CENTRAL U.S. HOWEVER, ON THE OTHER SIDE OF THE SYSTEM,  
SHOWERS AND EMBEDDED SEVERE THUNDERSTORMS ARE FORECAST TO INCREASE  
AND EXPAND ACROSS MID-MISSISSIPPI, OHIO, AND TENNESSEE VALLEYS.  
DAMAGING WINDS, HAIL, AND AN ISOLATED TORNADO ARE THE PRIMARY  
CONCERNS FROM ANY SEVERE STORMS.  
 
MEANWHILE, A PACIFIC FRONTAL SYSTEM MOVING ACROSS THE  
INTERMOUNTAIN WEST, ROCKIES AND NORTHERN HIGH PLAINS IS BRINGING A  
ROUND OF LOWER ELEVATION RAINS AND ACCUMULATING WET SNOW IN THE  
MOUNTAINS. IN THE WAKE OF THE SYSTEM AND COLD FRONT, DRIER  
WEATHER MOVES IN LATER TONIGHT INTO THURSDAY AS HIGH PRESSURE  
TAKES CONTROL. BY EARLY FRIDAY MORNING, THE COLD FRONT WILL DIP  
SOUTH INTO THE SOUTHERN HIGH PLAINS AND INTERSECT MOISTURE  
RETURNING FROM THE WESTERN GULF TO PROVIDE INCREASING CHANCES OF  
STRONG TO SEVERE THUNDERSTORMS EXTENDING EAST INTO THE SOUTHERN  
PLAINS FRIDAY AFTERNOON.  
 
ACROSS THE NORTHEAST, COOLER AND DRIER AIR WILL GRADUALLY FILTER  
INTO THE REGION THIS AFTERNOON AND EVENING IN THE WAKE OF A COLD  
FRONT. HIGH PRESSURE WILL BE IN CONTROL ON THURSDAY BEFORE SHOWERS  
AND THUNDERSTORMS ARRIVE AHEAD OF THE LOW PRESSURE SYSTEM  
APPROACHING FROM THE GREAT LAKES ON FRIDAY.  
 
A STRONG RIDGE OF HIGH PRESSURE EXTENDING ACROSS MUCH OF THE  
EASTERN U.S. WILL BRING WELL ABOVE AVERAGE WARMTH TO MUCH OF THE  
REGION THROUGH MID TO LATE WEEK. FORECAST HIGHS IN THE 70S AND 80S  
WILL BE COMMON. OVERALL NEAR AVERAGE TEMPERATURES ARE IN STORE FOR  
THE WESTERN AND CENTRAL U.S. THROUGH THURSDAY BEFORE WARMING UP  
SOME ACROSS THE PACIFIC NORTHWEST HEADING INTO THE LATTER HALF OF  
THE WEEK.  
 
MILLER/KONG  
 
GRAPHICS AVAILABLE AT  
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  
 
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