824  
FXUS01 KWBC 091944  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
243 PM EST FRI NOV 09 2018  
 
VALID 00Z SAT NOV 10 2018 - 00Z MON NOV 12 2018  
 
...DANGEROUS FIRE WEATHER CONDITIONS TO LINGER FOR PORTIONS OF  
NORTHERN AND SOUTHERN CALIFORNIA THROUGH THE WEEKEND...  
 
...ANOTHER SHOT OF COLD AIR FOR THE CENTRAL TO SOUTHERN HIGH  
PLAINS ON SUNDAY AFTER A BRIEF WARM UP ON SATURDAY...  
   
..HEAVY SNOWS FOR PORTIONS OF THE GREAT LAKES
 
 
..HEAVY RAINS MAY RESULT IN FLOODING CONCERNS FOR PORTIONS OF THE  
NORTHEAST EARLY TONIGHT...  
 
HIGH PRESSURE OVER THE GREAT BASIN AND RELATIVELY LOW PRESSURE  
ALONG THE WEST COAST HAS BEEN SUPPORTING A STRONG PRESSURE  
GRADIENT AND IDEAL FIRE WEATHER CONDITIONS GIVEN OFFSHORE WINDS  
AMID A VERY DRY AIRMASS FOR PARTS OF CALIFORNIA. THE PRESSURE  
GRADIENT AND GUSTY WINDS ARE EXPECTED TO WEAKEN SOME TONIGHT  
ALTHOUGH ANOTHER COLD FRONT AND SUBSEQUENT HIGH PRESSURE WILL MOVE  
THROUGH THE GREAT BASIN LATE SATURDAY INTO SUNDAY SETTING UP  
ANOTHER ROUND OF STRONG WINDS FOR PORTIONS OF NORTHERN AND  
SOUTHERN CALIFORNIA BY SUNDAY MORNING. THE GREATEST THREAT FOR THE  
SPREADING OF WILDFIRES WILL BE ACROSS THE NORTHERN THIRD OF  
CALIFORNIA FROM THE SIERRA NEVADA TO THE COASTAL RANGES AND  
PORTIONS OF SOUTHERN CALIFORNIA INCLUDING THE LOS ANGELES AND SAN  
DIEGO METROPOLITAN AREAS BOTH SATURDAY AND SUNDAY.  
 
THE COLDEST AIR OF THE SEASON IS CURRENTLY IN PLACE OVER THE  
CENTRAL TO NORTHERN PLAINS, BUT SATURDAY WILL FEATURE A BRIEF WARM  
UP WITH HIGH TEMPERATURES FORECAST INTO THE LOWER 50S TO LOWER 60S  
FROM WESTERN NEBRASKA/KANSAS INTO EASTERN COLORADO. AS ANOTHER  
COLD FRONT SURGES DOWN THE FRONT RANGE SATURDAY NIGHT INTO SUNDAY,  
A RETURN TO COLDER TEMPERATURES ALONG WITH SNOW IS IN THE FORECAST  
ON SUNDAY ALONG AND EAST OF THE SOUTHERN TO CENTRAL ROCKY  
MOUNTAINS INTO THE HIGH PLAINS.  
 
OUT EAST, A SURFACE CYCLONE WILL CONTINUE TO DEVELOP WITH BRIEF  
BUT HEAVY RAIN MOVING FROM THE NORTHERN MID-ATLANTIC INTO SOUTHERN  
NEW ENGLAND EARLY TONIGHT. SOME OF THE RAIN COULD CAUSE FLOODING  
FROM NORTHERN NEW JERSEY INTO AND ACROSS SOUTHERN NEW YORK INTO  
SOUTHERN NEW ENGLAND WITH 1-2 INCHES POSSIBLE. COLD AIR WRAPPING  
AROUND THE LOW-MID LEVEL CENTER OF THE SYSTEM WILL SUPPORT LOCALLY  
HEAVY LAKE EFFECT SNOW FROM THE U.P. OF MICHIGAN INTO NORTHERN  
WISCONSIN AND PORTIONS OF LOWER MICHIGAN THROUGH EARLY SATURDAY  
MORNING. THE STORM SYSTEM WILL QUICKLY MOVE NORTHEAST INTO QUEBEC  
FOR SATURDAY EVENING BUT COLD AND BLUSTERY CONDITIONS WILL BE LEFT  
IN ITS WAKE ACROSS PORTIONS OF NEW YORK INTO NEW ENGLAND ON  
SATURDAY WITH LIGHT TO MODERATE LAKE EFFECT SNOW EAST OF LAKES  
ERIE AND ONTARIO. SLOWLY IMPROVING CONDITIONS ARE FORECAST THROUGH  
SUNDAY FOR THE GREAT LAKES TO NORTHEAST.  
 
OTTO  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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