348  
FXUS01 KWBC 101945  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
245 PM EST SAT NOV 10 2018  
 
VALID 00Z SUN NOV 11 2018 - 00Z TUE NOV 13 2018  
   
..CRITICAL FIRE WEATHER CONDITIONS CONTINUE IN CALIFORNIA
 
 
...HEAVY SNOW POSSIBLE FOR PARTS OF THE CENTRAL/SOUTHERN ROCKIES  
AND LAKE EFFECT SNOW FOR PARTS OF THE UPPER GREAT LAKES...  
 
...HEAVY RAIN POSSIBLE FOR PARTS OF THE CENTRAL/WESTERN GULF  
COAST...  
 
...TEMPERATURES WILL BE 10 TO 20 DEGREES BELOW AVERAGE OVER PARTS  
OF THE CENTRAL ROCKIES AND CENTRAL/SOUTHERN PLAINS...  
 
CONDITIONS FAVORABLE FOR FIRE WEATHER ARE UNFORTUNATELY FORECAST  
TO CONTINUE ACROSS CALIFORNIA, AS WARM, STRONG WINDS WILL COMBINE  
WITH LOW RELATIVE HUMIDITIES AND VERY DRY GROUND. THE STORM  
PREDICTION CENTER HAS ISSUED CRITICAL TO EXTREME FIRE WEATHER  
CONDITIONS INDICATED FOR PORTIONS OF SOUTHERN AND NORTHERN  
CALIFORNIA.  
 
UPPER-LEVEL ENERGY WILL MOVE ACROSS THE UPPER GREAT LAKES  
OVERNIGHT SATURDAY INTO SUNDAY EVENING PRODUCING LAKE EFFECT SNOW  
DOWNWIND FROM THE GREAT LAKES THROUGH SUNDAY MORNING. IN  
ADDITION, A FRONT EXTENDING FROM THE NORTHERN PLAINS NORTHWESTWARD  
INTO WESTERN CANADA WILL MOVE EASTWARD TO THE GREAT LAKES  
SOUTHWESTWARD TO PARTS OF THE SOUTHERN PLAINS BY MONDAY. THE  
SYSTEM WILL PRODUCE SNOW OVER PARTS OF THE NORTHERN ROCKIES INTO  
THE NORTHERN PLAINS THAT WILL MOVE EASTWARD INTO PARTS OF THE  
UPPER MISSISSIPPI VALLEY/UPPER GREAT LAKES ON SUNDAY MORNING,  
MOVING INTO THE UPPER GREAT LAKES BY MONDAY. THE SNOW WILL END  
OVER THE NORTHERN ROCKIES/NORTHERN HIGH PLAINS OVERNIGHT SUNDAY.  
 
MEANWHILE, UPPER-LEVEL ENERGY OVER PARTS OF THE NORTHERN  
INTERMOUNTAIN REGION/GREAT BASIN WILL MOVE SOUTHEASTWARD TO THE  
SOUTHERN ROCKIES/SOUTHERN PLAINS BY MONDAY. ON SUNDAY MORNING,  
SNOW WILL DEVELOP OVER PARTS OF THE CENTRAL ROCKIES AND EXPAND  
INTO PARTS OF THE CENTRAL/SOUTHERN PLAINS AS WELL AS THE SOUTHERN  
ROCKIES BY SUNDAY EVENING. THE SNOW WILL CONTINUE TO EXPAND  
EASTWARD INTO THE MIDDLE MISSISSIPPI VALLEY OVERNIGHT SUNDAY INTO  
MONDAY AND FARTHER SOUTH OVER PARTS OF THE SOUTHERN ROCKIES, TOO.  
AS THE UPPER-LEVEL ENERGY MOVES EASTWARD, MOISTURE FROM THE  
WESTERN GULF OF MEXICO WILL MOVE NORTHWARD OVER THE WESTERN GULF  
COAST INTO THE SOUTHERN PLAINS THAT WILL TRANSITION TO THE CENTRAL  
GULF COAST BY MONDAY. RAIN WITH EMBEDDED THUNDERSTORMS WILL  
DEVELOP OVER PARTS OF THE WESTERN GULF COAST OVERNIGHT SATURDAY  
THAT WILL TRANSITION TO SHOWERS AND THUNDERSTORMS OVER PARTS OF  
THE WESTERN GULF COAST/SOUTHERN PLAINS SUNDAY AFTERNOON INTO  
SUNDAY EVENING. OVERNIGHT SUNDAY INTO MONDAY, SHOWERS AND  
THUNDERSTORMS WILL ALSO DEVELOP OVER PARTS OF THE CENTRAL GULF  
COAST INTO PARTS OF THE SOUTHEAST. THE THUNDERSTORMS WILL PRODUCE  
HEAVY RAIN AT TIMES OVER PARTS OF THE WESTERN/CENTRAL GULF COAST  
LATE SUNDAY NIGHT INTO MONDAY MORNING. ADDITIONALLY, RAIN WILL  
DEVELOP NORTH OF THE THUNDERSTORMS OVER PARTS OF THE SOUTHERN  
PLAINS OVERNIGHT SUNDAY INTO MONDAY. THE RAIN WILL EXPAND INTO  
PARTS OF THE LOWER MISSISSIPPI AND TENNESSEE VALLEYS ALSO  
OVERNIGHT SUNDAY.  
 
ZIEGENFELDER  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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