058  
FXUS01 KWBC 141957  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
256 PM EST SUN JAN 14 2018  
 
VALID 00Z MON JAN 15 2018 - 00Z WED JAN 17 2018  
 
...ANOTHER ROUND OF SIGNIFICANT COLD TO IMPACT THE PLAINS AND  
MIDWEST EARLY THIS WEEK...  
 
...WINTRY MIX EXPECTED INTO PORTIONS OF CENTRAL AND SOUTHERN TEXAS  
MONDAY NIGHT AND TUESDAY...  
 
A COLD FRONT WILL PUSH THROUGH THE CENTRAL U.S. USHERING  
WIDESPREAD SNOW FROM THE MIDWEST/UPPER MIDWEST TO THE  
OHIO/TENNESSEE VALLEYS,GREAT LAKES, NORTHERN MID-ATLANTIC AND THE  
NORTHEAST AS IT TRACKS TO THE EAST. SNOWFALL ACCUMULATIONS ARE  
EXPECTED TO REMAIN LIGHT WITH LOCALLY HIGHER TOTALS IN THE UPSLOPE  
REGIONS OF THE NORTHERN AND CENTRAL HIGH PLAINS THROUGH MONDAY.  
 
STRONG CANADIAN HIGH PRESSURE SLIDING SOUTHEAST INTO THE NORTHERN  
AND CENTRAL PLAINS IN THE WAKE OF THE FRONT, BLASTING THE REGION  
WITH COLD AIR. A FEW DAILY TEMPERATURE RECORDS MAY BE BROKEN OVER  
THE NEXT COUPLE OF DAYS. TEMPERATURES ACROSS THE CENTRAL AND  
NORTHERN PLAINS ARE FORECAST TO STAY BELOW ZERO FOR MUCH OF THE  
DAKOTAS INTO MINNESOTA AND SUB-FREEZING HIGHS WILL REACH AS FAR  
SOUTH AS THE NORTHERN TEXAS PANHANDLE INTO NORTHERN OKLAHOMA.  
THESE NUMBERS WILL BE ROUGHLY 15 TO 30 DEGREES BELOW MID-JANUARY  
AVERAGES. THIS INFLUX OF COLD AIR WILL RESULT IN SNOW AND A WINTRY  
MIX FOR LOCATIONS DOWN SOUTH WHO DO NOT TYPICALLY SEE WINTRY  
PRECIPITATION- ESPECIALLY FOR PORTIONS OF CENTRAL AND SOUTHERN  
TEXAS AND LOUISIANA.  
 
THE WARM AND MOSTLY CONDITIONS WILL PREVAIL IN THE WEST EARLY IN  
THE WEEK PRIOR TO A PACIFIC COLD FRONT ADVANCING TOWARD THE COAST.  
RUN WILL MOVE INTO CENTRAL CALIFORNIA, OREGON AND WASHINGTON BY  
EARLY TUESDAY MORNING. THIS FIRST ROUND OF RAINFALL IS EXPECTED TO  
BE BENEFICIAL GIVEN BELOW AVERAGE PRECIPITATION OVER THE PAST FEW  
WEEKS FOR THE REGION, BUT HEAVIER RAINFALL WILL BE POSSIBLE FOR  
THE NORTHWEST AND CENTRAL/NORTHERN CALIFORNIA BY LATE IN THE WEEK.  
 
CAMPBELL/OTTO  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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