184  
FXUS01 KWBC 140758  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
357 AM EDT SUN OCT 14 2018  
 
VALID 12Z SUN OCT 14 2018 - 12Z TUE OCT 16 2018  
 
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER PARTS OF  
THE SOUTHERN PLAINS...  
 
...HEAVY SNOW POSSIBLE OVER PARTS OF THE CENTRAL/SOUTHERN ROCKIES  
AND PARTS OF THE CENTRAL HIGH PLAINS...  
 
...HEAVY RAIN POSSIBLE OVER PARTS OF THE SOUTHERN PLAINS INTO THE  
LOWER MISSISSIPPI VALLEY...  
 
...TEMPERATURES WILL BE 20 TO 35 DEGREES BELOW AVERAGE OVER PARTS  
OF THE ROCKIES, PLAINS, AND MIDDLE MISSISSIPPI VALLEY...  
 
A FRONT EXTENDING FROM THE UPPER GREAT LAKES TO THE SOUTHERN  
PLAINS WESTWARD INTO THE GREAT BASIN WILL MOVE EASTWARD TO THE  
NORTHEAST/CENTRAL APPALACHIANS SOUTHWESTWARD TO THE WESTERN GULF  
COAST BY MONDAY EVENING. SHOWERS AND THUNDERSTORMS WILL DEVELOP  
ALONG AND AHEAD OF THE BOUNDARY FROM PARTS OF THE LOWER  
MISSISSIPPI VALLEY INTO SOUTHERN PLAINS/WESTERN GULF COAST THAT  
WILL EXPAND NORTHEASTWARD INTO PARTS OF THE TENNESSEE AND OHIO  
VALLEYS BY MONDAY MORNING. BY MONDAY EVENING, THE SHOWERS AND  
THUNDERSTORMS WILL EXTEND FROM PARTS OF THE MID-ATLANTIC  
SOUTHWESTWARD TO WESTERN GULF COAST. RAIN WILL ALSO DEVELOP OVER  
PARTS OF THE MIDDLE MISSISSIPPI VALLEY INTO PARTS OF THE  
OHIO/TENNESSEE VALLEYS, ON SUNDAY MORNING, EXPANDING INTO PARTS OF  
THE MID-ATLANTIC BY SUNDAY AFTERNOON ONLY TO WANE BACK THE OHIO  
VALLEY BY SUNDAY EVENING.  
 
IN ADDITION, UPPER-LEVEL ENERGY OVER THE GREAT BASIN WILL MOVE  
SOUTHWARD INTO THE GREAT BASIN/SOUTHWEST BY MONDAY INTO TUESDAY.  
WHILE ANOTHER AREA OF UPPER-LEVEL ENERGY ASSOCIATED WITH THE  
AFOREMENTIONED FRONT WILL MOVE FROM THE CENTRAL PLAINS TO THE  
NORTHEAST BY MONDAY EVENING. THE UPPER-LEVEL ENERGY WILL AID IN  
PRODUCING SNOW OVER PARTS OF THE NORTHERN/CENTRAL ROCKIES INTO  
PARTS OF THE CENTRAL PLAINS THAT WILL END OVER THE CENTRAL PLAINS  
OVERNIGHT SUNDAY AND PARTS OF THE SOUTHERN ROCKIES BY MONDAY  
AFTERNOON. RAIN WILL ALSO DEVELOP OVER PARTS OF THE CENTRAL  
PLAINS INTO PARTS OF THE UPPER MISSISSIPPI VALLEY THAT WILL MOVE  
EASTWARD INTO PARTS OF THE MIDDLE MISSISSIPPI VALLEY INTO THE  
UPPER GREAT LAKES BY SUNDAY EVENING. THE RAIN WILL MOVE INTO THE  
LOWER GREAT LAKES/OHIO VALLEY BY MONDAY MORNING AND FROM THE  
NORTHEAST TO PARTS OF THE SOUTHERN PLAINS BY MONDAY EVENING.  
ADDITIONALLY, AN UPPER-LEVEL LOW OVER PARTS OF THE UPPER  
MISSISSIPPI VALLEY WILL MOVE EASTWARD INTO CANADA BY MONDAY  
EVENING. THE ENERGY WILL AID IN PRODUCING SNOW OVER PARTS OF THE  
NORTHERN PLAINS BY SUNDAY AFTERNOON MOVING INTO PARTS OF THE UPPER  
GREAT LAKES/UPPER MISSISSIPPI VALLEY ON MONDAY MORNING, MOVING  
INTO CANADA OVERNIGHT MONDAY.  
 
ELSEWHERE, UPPER-LEVEL ENERGY OVER ARIZONA/MEXICAN BORDER WILL  
MOVE INTO THE SOUTHERN PLAINS AND WEAKEN BY MONDAY MORNING. THE  
ENERGY WILL ALSO AID IN PRODUCING RAIN OVER PARTS OF THE  
SOUTHWEST/SOUTHERN ROCKIES, ON SUNDAY, THAT MOVE INTO THE SOUTHERN  
ROCKIES/SOUTHWESTERN TEXAS ON MONDAY. SNOW WILL DEVELOP OVER  
PARTS OF THE SOUTHERN ROCKIES OVERNIGHT SUNDAY INTO MONDAY  
EVENING. AN AREA OF RAIN/FREEZING RAIN WILL DEVELOP OVER PARTS OF  
SOUTHWESTERN TEXAS MONDAY INTO TUESDAY.  
 
ZIEGENFELDER  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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