609  
FXUS01 KWBC 051921  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
220 PM EST SAT JAN 05 2019  
 
VALID 00Z SUN JAN 06 2019 - 00Z TUE JAN 08 2019  
 
...WIDESPREAD RAIN, MOUNTAIN SNOWS, AND WIND EXPECTED ACROSS MUCH  
OF THE WEST THIS WEEKEND....  
 
...TEMPERATURES WELL ABOVE NORMAL OVER MOST OF THE CENTRAL US  
THROUGH MONDAY...  
   
..PRECIPITATION CHANCES INCREASING IN THE GREAT LAKES ON MONDAY
 
 
OVER THE NEXT FEW DAYS, SEVERAL STORMS WILL PUSH INTO THE WEST AND  
DELIVER WIDESPREAD PRECIPITATION. THE FIRST WAVE WILL SPREAD  
INLAND FROM THE PACIFIC COAST TONIGHT AND EARLY SUNDAY, WHILE  
ANOTHER ROUND WILL ARRIVE AT THE COAST LATER SUNDAY AND SPREAD  
INLAND ON SUNDAY NIGHT. THE PRECIPITATION WILL FALL AS RAIN ALONG  
THE COAST AND IN LOWER ELEVATIONS ELSEWHERE, AND AS OCCASIONALLY  
HEAVY SNOW IN THE MOUNTAINS. LOCALLY HEAVY RAINFALL AND ISOLATED  
FLOODING WILL BE POSSIBLE IN FAVORED UPSLOPE REGIONS OF NORTHERN  
CALIFORNIA. FOR THE WASHINGTON AND OREGON CASCADES AND SOME OF THE  
INTERIOR MOUNTAIN RANGES ACROSS THE WEST OVER 1 FOOT OF SNOW IS  
LIKELY BY MONDAY. IN THE RIDGES OF THE SIERRA NEVADA, OVER 2 FEET  
OF SNOW IS EXPECTED. STRONG WINDS ARE ALSO LIKELY TO ACCOMPANY  
THESE STORMS, AND HIGH WIND WARNINGS, WATCHES AND ADVISORIES ARE  
IN EFFECT ALONG MUCH OF THE WEST COAST.  
 
OUT AHEAD OF THE STORM SYSTEMS IN THE WEST, TEMPERATURES SHOULD BE  
WELL ABOVE NORMAL ACROSS THE ENTIRE CENTRAL US -- ESSENTIALLY  
EVERYWHERE FROM THE ROCKY MOUNTAINS EAST TO THE APPALACHIAN  
MOUNTAINS. FROM THE NORTHERN AND CENTRAL PLAINS INTO THE GREAT  
LAKES, TEMPERATURES SHOULD BE AS MUCH AS 20 TO 30 DEGREES ABOVE  
NORMAL ON SUNDAY AND MONDAY. MEANWHILE, CONDITIONS IN THE EAST  
SHOULD BE RELATIVELY TRANQUIL IN THE WAKE OF A DEPARTING STORM  
SYSTEM TONIGHT, WITH TEMPERATURES GENERALLY CLOSE TO NORMAL LEVELS  
OVER THE NEXT SEVERAL DAYS.  
 
BY MONDAY, A LOW PRESSURE SYSTEM WILL EMERGE INTO THE PLAINS WITH  
PRECIPITATION BEGINNING TO DEVELOP IN THE GREAT LAKES. DESPITE THE  
WARM TEMPERATURES, CONDITIONS SHOULD BE COLD ENOUGH FOR SOME  
WINTRY PRECIPITATION CLOSER TO THE CANADIAN BORDER. SOME  
ACCUMULATING ICE AND SNOW WILL BE POSSIBLE FROM NORTH DAKOTA, INTO  
MINNESOTA, WISCONSIN AND MICHIGAN. WINTER STORM WATCHES ARE IN  
EFFECT NEAR THE WESTERN END OF LAKE SUPERIOR.  
 
LAMERS  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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