102  
FXUS01 KWBC 080752  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
251 AM EST FRI FEB 8 2019  
 
VALID 12Z FRI FEB 8 2019 - 12Z SUN FEB 10 2019  
 
...MUCH COLDER WEATHER RETURNING TO THE EASTERN U.S. AND A WINTER  
STORM AFFECTS THE PACIFIC NORTHWEST...  
 
A STRONG COLD FRONT REACHING THE EAST COAST ON FRIDAY WILL HERALD  
A BIG CHANGE IN TEMPERATURES IN TIME FOR THE WEEKEND FOR THE  
EASTERN U.S. AFTER PLEASANT SPRING-LIKE CONDITIONS OVER THE PAST  
COUPLE OF DAYS, A RATHER ABRUPT CHANGE TO REALITY IS COMING AS  
NORTHWESTERLY WINDS USHER IN A CANADIAN AIRMASS WITH READINGS  
BELOW AVERAGE FOR MUCH OF THE REGION THROUGH SUNDAY. RAIN IS  
LIKELY ACROSS THE NORTHEAST U.S. ON FRIDAY IN THE WARM SECTOR OF  
THE STRONG LOW PRESSURE SYSTEM THAT WILL BE LIFTING NORTHWARD  
ACROSS QUEBEC, AND SOME SNOW SHOWERS ARE LIKELY DOWNWIND OF THE  
GREAT LAKES AND ACROSS THE HIGHER TERRAIN OF NEW ENGLAND BEHIND  
THE FRONT.  
 
THE SURFACE HIGH PRESSURE SETTLING SOUTHWARD ACROSS THE PLAINS  
WILL BE MORE PRONOUNCED THAN NORMAL, WITH PRESSURES NEAR 1045MB  
EXPECTED. THIS WILL EQUATE TO A LARGE EXPANSE OF BELOW NORMAL  
TEMPERATURES EAST OF THE ROCKIES THROUGH SATURDAY, WITH THE  
COLDEST LOCATIONS ACROSS THE NORTHERN PLAINS. HIGH TEMPERATURES  
ARE FORECAST TO REMAIN IN THE SUBZERO REALM ON FRIDAY FROM  
NORTHEAST MONTANA TO MINNESOTA, AND OVERNIGHT LOWS IN THE -20S.  
WIND CHILL WARNINGS ARE IN EFFECT FOR THOSE AREAS. TEMPERATURE  
DEPARTURES FROM THE MIDWEST TO TEXAS ARE EXPECTED TO BE ON THE  
ORDER OF 10 TO 20+ DEGREES BELOW NORMAL FRIDAY AND INTO SATURDAY.  
 
THE WESTERN U.S. WILL HOST ANOTHER WINTER STORM BY FRIDAY NIGHT  
AND INTO SATURDAY AS A COLD UPPER LOW GENERATES A SURFACE LOW  
PRESSURE SYSTEM ACROSS THE PACIFIC NORTHWEST. SNOW LEVELS WILL BE  
LOWER THAN USUAL, REACHING SEA LEVEL ACROSS WESTERN WASHINGTON AND  
NORTHWEST OREGON. WINTER STORM WARNINGS ARE NOW IN EFFECT FOR THE  
GREATER SEATTLE AREA WHERE SEVERAL INCHES OF SNOW APPEARS LIKELY.  
WINTER WEATHER HEADLINES ARE IN EFFECT FOR MUCH OF NORTHERN  
CALIFORNIA AND EXTENDING NORTHWARD ACROSS INTERIOR OREGON AND  
WASHINGTON.  
 
D. HAMRICK  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  
 

 
 
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