986  
FXUS01 KWBC 232011  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
410 PM EDT SAT MAR 23 2024  
 
VALID 00Z SUN MAR 24 2024 - 00Z TUE MAR 26 2024  
 
...HEAVY SNOW OVER PORTIONS OF NORTHERN NEW ENGLAND; SIGNIFICANT  
WINTER STORM LIKELY ACROSS PARTS OF THE NORTHERN PLAINS AND UPPER  
MIDWEST...  
 
...THERE IS A SIGHT RISK OF EXCESSIVE RAINFALL OVER PARTS OF THE  
NORTHERN MID-ATLANTIC TO SOUTHERN NEW ENGLAND...  
 
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER PARTS OF  
THE CENTRAL/SOUTHERN PLAINS ON SUNDAY...  
 
A SIGNIFICANT WINTER STORM WILL DEVELOP OVER THE NORTHERN HIGH  
PLAINS AND MOVE INTO THE NORTHERN PLAINS, UPPER MISSISSIPPI  
VALLEY, AND UPPER GREAT LAKES FROM SATURDAY EVENING INTO MONDAY.  
THE WINTER STORM WILL BE HIGH-IMPACT AND AN EXTENSIVE SYSTEM  
PRODUCING WIDESPREAD HEAVY SNOW AND GUSTY WINDS THAT WILL PERSIST  
OVER PARTS OF THE NORTHERN PLAINS AND UPPER MIDWEST THROUGH  
MONDAY. WIDESPREAD HEAVY SNOW WILL SPREAD ACROSS MUCH OF CENTRAL  
AND EASTERN MONTANA BY SATURDAY NIGHT, EXPAND INTO THE NORTHERN  
PLAINS/UPPER MIDWEST ON SUNDAY, AND CONTINUE INTO MONDAY. THERE IS  
A HIGH CHANCE (GREATER THAN 70%) OF AT LEAST EIGHT INCHES OF SNOW  
EXTENDING FROM CENTRAL SOUTH DAKOTA NORTHEASTWARD TO NORTHEASTERN  
MINNESOTA AND NORTHWESTERN WISCONSIN.  
 
IN ADDITION, THE STORM WILL CREATE HAZARDOUS IMPACTS FROM HEAVY  
SNOW, SNOW LOAD, AND WIND. MOREOVER, HEAVY SNOW AND GUSTY WIND  
WILL PRODUCE AREAS OF BLOWING/DRIFTING SNOW AND POSSIBLE BLIZZARD  
CONDITIONS ON SUNDAY INTO MONDAY. HAZARDOUS TRAVEL AND ROAD  
CLOSURES ARE EXPECTED LATE SATURDAY INTO MONDAY. STRONG WINDS AND  
HEAVY, WET SNOW ON TREES AND POWER LINES MAY DAMAGE TREES AND  
CAUSE POWER OUTAGES.  
 
FURTHERMORE, STRONG WIND GUSTS OVER 50 MPH ON SUNDAY MAY RESULT IN  
POWER OUTAGES, BLOWING DUST WITH REDUCED VISIBILITY, DIFFICULT  
TRAVEL, AND PROPERTY DAMAGE AS HIGH WIND WATCHES AND WARNINGS ARE  
OVER THE CENTRAL/SOUTHERN PLAINS.  
 
MEANWHILE, LOW PRESSURE OVER SOUTHERN NEW ENGLAND MOVES  
NORTHEASTWARD INTO THE CANADIAN MARITIMES BY SUNDAY. THE STORM  
WILL AID IN PRODUCING HEAVY SNOW OVER PARTS OF NORTHERN NEW  
ENGLAND THROUGH LATE SUNDAY MORNING. ADDITIONALLY, HEAVY RAIN WILL  
DEVELOP OVER PARTS OF THE NORTHERN MID-ATLANTIC AND SOUTHERN NEW  
ENGLAND THROUGH LATE SATURDAY NIGHT. THEREFORE, THE WPC HAS ISSUED  
A SLIGHT RISK (LEVEL 2/4) OF EXCESSIVE RAINFALL OVER THE NORTHERN  
MID-ATLANTIC/SOUTHERN NEW ENGLAND THROUGH SUNDAY MORNING. THE  
ASSOCIATED HEAVY RAIN WILL CREATE MAINLY LOCALIZED AREAS OF FLASH  
FLOODING, WITH URBAN AREAS, ROADS, AND SMALL STREAMS THE MOST  
VULNERABLE. ON SUNDAY, THE THREAT OF EXCESSIVE RAINFALL ENDS OVER  
THE NORTHEAST. THE SNOW WILL CONTINUE THROUGH LATE SUNDAY MORNING  
OVER NORTHERN NEW ENGLAND.  
 
MOREOVER, A FRONT OVER THE GREAT BASIN/SOUTHWEST MOVES INLAND TO  
THE CENTRAL/SOUTHERN HIGH PLAINS BY SUNDAY AFTERNOON AND CONTINUES  
EASTWARD TO THE MIDDLE/LOWER MISSISSIPPI VALLEY BY MONDAY EVENING.  
THE ENERGY ASSOCIATED WITH THE BOUNDARY WILL CREATE  
HIGHER-ELEVATION SNOW AND LOWER-ELEVATION RAIN OVER PARTS OF THE  
PACIFIC NORTHWEST, CALIFORNIA, GREAT BASIN, SOUTHWEST, AND  
CENTRAL/SOUTHERN ROCKIES THROUGH MONDAY MORNING.  
 
FURTHER, AS THE FRONT AND DRYLINE MOVE OUT OF THE ROCKIES ON  
SUNDAY, SHOWERS AND SEVERE THUNDERSTORMS WILL DEVELOP OVER THE  
CENTRAL/SOUTHERN PLAINS. THEREFORE, THE SPC HAS ISSUED A SLIGHT  
RISK (LEVEL 2/5) OF SEVERE THUNDERSTORMS OVER PARTS OF THE  
CENTRAL/SOUTHERN PLAINS FROM SUNDAY INTO MONDAY MORNING. THE  
HAZARDS ASSOCIATED WITH THESE THUNDERSTORMS ARE FREQUENT  
LIGHTNING, SEVERE THUNDERSTORM WIND GUSTS, HAIL, AND A FEW  
TORNADOES.  
 
ON MONDAY, THE FRONT MOVES INTO THE LOWER MISSISSIPPI VALLEY,  
CREATING SHOWERS AND SEVERE THUNDERSTORMS. THEREFORE, THE SPC HAS  
ISSUED A SLIGHT RISK (LEVEL 2/5) OF SEVERE THUNDERSTORMS OVER  
PARTS OF THE LOWER MISSISSIPPI VALLEY ON MONDAY MORNING. THE  
HAZARDS ASSOCIATED WITH THESE THUNDERSTORMS ARE FREQUENT  
LIGHTNING, SEVERE THUNDERSTORM WIND GUSTS, HAIL, AND A FEW  
TORNADOES.  
 
IN ADDITION, THE SHOWERS AND THUNDERSTORMS WILL PRODUCE HEAVY RAIN  
OVER PARTS OF THE CENTRAL/LOWER MISSISSIPPI AND TENNESSEE VALLEYS.  
THEREFORE, THE WPC HAS ISSUED A SLIGHT RISK (LEVEL 2/4) OF  
EXCESSIVE RAINFALL OVER PARTS OF THE CENTRAL/LOWER MISSISSIPPI AND  
TENNESSEE VALLEYS ON MONDAY. THE ASSOCIATED HEAVY RAIN WILL CREATE  
MAINLY LOCALIZED AREAS OF FLASH FLOODING, WITH URBAN AREAS, ROADS,  
AND SMALL STREAMS THE MOST VULNERABLE.  
 
ZIEGENFELDER  
 
GRAPHICS AVAILABLE AT  
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  
 

 
 
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