138  
FXUS01 KWBC 010831  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
400 AM EDT SUN JUN 01 2025  
 
VALID 12Z SUN JUN 01 2025 - 12Z TUE JUN 03 2025  
 
...SHOWERS AND THUNDERSTORMS EXPECTED TO REACH THE DESERT  
SOUTHWEST TONIGHT AND THEN THE FOUR CORNERS ON MONDAY WITH A RISK  
FOR FLASH FLOODING...  
 
...A ROUND OF RAIN EXPECTED FOR THE NORTHERN ROCKIES/HIGH PLAINS  
TONIGHT INTO MONDAY MORNING WITH GUSTY WINDS...  
 
...HEAVY RAIN AND SEVERE THUNDERSTORMS EXPECTED TO IMPACT THE  
NORTHERN PLAINS ON MONDAY, THEN ACROSS THE CENTRAL PLAINS LATER ON  
MONDAY INTO TUESDAY MORNING WITH GUSTY WINDS...  
 
...TROPICAL MOISTURE LINGERING AND BECOMING MORE FOCUSED ACROSS  
SOUTH FLORIDA...  
 
JUNE 2025 WILL BEGIN WITH AN ANOMALOUSLY DEEP LOW PRESSURE SYSTEM  
DEPARTING NEW ENGLAND AS INCREASINGLY UNSETTLED WEATHER IS  
FORECAST TO SET UP ACROSS THE SOUTHWEST SUNDAY INTO MONDAY, AND  
THEN ACROSS THE MID-SECTION OF THE COUNTRY MONDAY INTO TUESDAY.  
AS THE DEEP CYCLONE GRADUALLY MOVES FURTHER INTO SOUTHEASTERN  
CANADA TODAY, RAIN ACROSS INTERIOR NEW ENGLAND WILL CONTINUE TO  
TAPER OFF. THE SIZE AND PROXIMITY OF THIS SYSTEM WILL CONTINUE TO  
BRING GUSTY WINDS THROUGH MUCH OF THE NORTHEAST FOR TODAY WHILE  
FUNNELING IN MUCH COOLER AIR INTO THE REGION FROM CANADA.  
 
FARTHER SOUTH, SCATTERED THUNDERSTORMS ARE EXPECTED ACROSS THE  
SOUTH-CENTRAL PLAINS TODAY ASSOCIATED WITH A FORMING FRONTAL  
BOUNDARY TRAILING FROM A WEAK LOW PRESSURE WAVE. SOME OF THE  
THUNDERSTORMS WILL ALSO EXTEND FARTHER EAST ACROSS THE TENNESSEE  
VALLEY INTO THE SOUTHERN MID-ATLANTIC REGION IN ASSOCIATION WITH  
THE EASTERN EXTENSION OF THE FRONT. THESE ACTIVITIES ARE EXPECTED  
TO LARGELY DISSIPATE BY TONIGHT AS A COOL AND MORE UNSTABLE HIGH  
PRESSURE SYSTEM SETTLES AND DOMINATES THE EASTERN U.S. BY MONDAY.  
 
WHILE THE EASTERN U.S. ENJOYS COOL AND MOSTLY FINE WEATHER, AN  
INCREASINGLY UNSETTLED WEATHER PATTERN IS SETTING UP ACROSS THE  
WESTERN U.S. A STRONG COLD FRONT ARRIVING FROM THE PACIFIC IS  
BRINGING AN END TO THE RECENT SPELL OF HEAT ACROSS THE  
NORTHWESTERN PART OF THE COUNTRY. THIS FRONT WILL GRADUALLY PUSH  
INTO THE NORTHERN PLAINS ON MONDAY BEFORE COLLIDING WITH MOISTURE  
STREAMING UP FROM MEXICO AND THE SOUTHERN ROCKIES TO PRODUCE A  
AROUND OF HEAVY RAIN AND SEVERE THUNDERSTORMS ACROSS THE  
MID-SECTION OF THE COUNTRY MONDAY INTO TUESDAY. THE MOISTURE  
COMING FROM MEXICO IS ASSOCIATED WITH AN UPPER-LEVEL LOW WHICH  
CARRIES SOME OF THE REMNANT MOISTURE FROM FORMER EASTERN PACIFIC  
TROPICAL STORM ALVIN. THIS BATCH OF MOISTURE IS EXPECTED TO BRING  
A AROUND OF SHOWERS AND SCATTERED THUNDERSTORMS ACROSS THE DESERT  
SOUTHWEST TONIGHT AND THEN MOVE INTO THE FOUR CORNERS ON MONDAY  
WHERE LOCALLY TERRAIN-ENHANCED RAINFALL COULD POSE A RISK FOR  
FLASH FLOODING. THE NORTHERN PIECE OF MOISTURE IS ASSOCIATED WITH  
THE PACIFIC COLD FRONT MUTUALLY INTERACTING WITH A HIGH PRESSURE  
SYSTEM BUILDING SOUTH FROM WESTERN CANADA. THIS INTERACTION IS  
FORECAST TO BRING A ROUND OF RAIN FOR THE NORTHERN ROCKIES INTO  
THE NORTHERN HIGH PLAINS TONIGHT INTO MONDAY MORNING WITH GUSTY  
WINDS.  
 
MONDAY WILL LIKELY FIND A LOW PRESSURE SYSTEM DEVELOPING OVER THE  
CENTRAL HIGH PLAINS WITH A SHARP FRONT EXTENDING ACROSS THE  
NORTHERN PLAINS. THE DYNAMICS ASSOCIATED WITH THE SHARP FRONT  
WILL TRIGGER SHOWERS AND POSSIBLY SEVERE THUNDERSTORMS WHICH ARE  
EXPECTED TO FORM OVER THE CENTRAL HIGH PLAINS MONDAY EVENING, THEN  
SPREADING RAPIDLY EASTWARD ACROSS THE NORTHERN PLAINS THROUGH  
MONDAY NIGHT INTO TUESDAY MORNING BEHIND THE SHARP FRONT. HEAVY  
DOWNPOURS ASSOCIATED WITH THESE STORMS CAN RESULT IN FLASH  
FLOODING ISSUES. IN ADDITION, THESE STORMS CAN PRODUCE VERY LARGE  
HAIL AND DAMAGING WINDS. BLUSTERY NORTH TO NORTHWESTERN WINDS  
BEHIND THE FRONT WILL USHER MUCH COOLER AIR INTO THE CENTRAL  
PLAINS MONDAY NIGHT TO DISPEL THE NEAR-RECORD HIGH TEMPERATURES IN  
THE UPPER MIDWEST MONDAY AFTERNOON. SCATTERED THUNDERSTORMS WILL  
ALSO BE ACTIVE FARTHER SOUTH AHEAD OF A DRY LINE WHERE SEVERE  
THUNDERSTORMS ARE ALSO POSSIBLE DOWN ACROSS THE SOUTHERN HIGH  
PLAINS MONDAY EVENING/NIGHT.  
 
ACROSS THE SUNSHINE STATE, TROPICAL MOISTURE IN THE VICINITY OF A  
STALLED FRONT IS FORECAST TO LINGER AND GRADUALLY BECOME MORE  
FOCUSED ACROSS SOUTH FLORIDA WHERE HEAVY RAIN BECOMES POSSIBLE BY  
LATER ON MONDAY.  
 
KONG  
 
GRAPHICS AVAILABLE AT  
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  
 
 
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