899  
FXUS01 KWBC 310755  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
255 AM EST MON DEC 31 2018  
 
VALID 12Z MON DEC 31 2018 - 12Z WED JAN 02 2019  
   
..MUCH COLDER FOR THE PLAINS AND SOUTHERN ROCKIES/PLAINS
 
 
...MILD BUT WET FOR MUCH OF THE EASTERN U.S. TODAY WITH SEVERE  
STORMS POSSIBLE...  
 
...MORE SNOW FOR THE FOUR CORNERS AS WELL AS NORTHERN NEW  
ENGLAND...  
 
A STRONG ARCTIC COLD FRONT WHOOSHING THROUGH THE NORTHERN PLAINS  
WILL CONTINUE TO DROP SOUTHWARD AND EASTWARD TODAY AND TUESDAY.  
THIS ARCTIC BOUNDARY WILL CAUSE TEMPERATURES TO PLUMMET THROUGH  
THE DAY ACROSS PARTS OF THE CENTRAL PLAINS AS WIND CHILLS REACH  
HAZARDOUS LEVELS (-10 TO -30 DEGREES F) FROM MONTANA THROUGH  
NEBRASKA TODAY THROUGH TUESDAY MORNING. SOME LIGHT TO MODERATE  
SNOW (A FEW INCHES TO OVER 8 INCHES IN THE BLACK HILLS OF SOUTH  
DAKOTA) WILL ACCOMPANY THE FRONTAL PASSAGE BUT WILL BE BLOWN  
AROUND BY STRONG WINDS OF 20-35 MPH AND GUSTS TO 50MPH. THIS  
SYSTEM WILL CONTINUE TO SINK SOUTHWARD TUESDAY AND BRING YET  
ANOTHER ROUND OF SIGNIFICANT SNOWFALL FOR PARTS OF ARIZONA,  
COLORADO, AND NEW MEXICO. SOME LOCATIONS ARE FORECAST TO RECEIVE  
1-3 INCHES IN THE VALLEYS BUT 6-12 INCHES IN THE MOUNTAINS. HIGH  
TEMPERATURES ON TUESDAY WILL BE VERY COLD OVER NEW MEXICO AND THE  
TEXAS PANHANDLE WHERE HIGHS WILL ONLY REACH THE HIGH 10S AND 20S.  
 
FARTHER EAST, MILD BUT UNSETTLED WEATHER IS EXPECTED FOR AREAS  
EAST OF THE MISSISSIPPI AS AN AREA OF LOW PRESSURE REACHES THE  
OHIO VALLEY LATER THIS AFTERNOON. THE WIDESPREAD RAINFALL MAY BE  
ENHANCED BY EMBEDDED THUNDERSTORMS, POSSIBLY SEVERE, FROM NORTHERN  
MS/AL INTO MIDDLE TENNESSEE. THE STORM PREDICTION CENTER HAS A  
SLIGHT RISK AREA HIGHLIGHTED INCLUDING HUNTSVILLE, AL TO  
NASHVILLE, TN. THE RAIN WILL PUSH INTO THE NORTHEAST LATER THIS  
AFTERNOON AS THE SURFACE LOW DEEPENS ON ITS TRACK TOWARDS THE  
GREAT LAKES. ALONG AND SOUTHEAST OF THE COLD FRONT, MILD/WARM  
TEMPERATURES WILL SURGE NORTHWARD AND RECORD HIGHS MAY BE  
TIED/BROKEN TODAY OVER THE SOUTHEAST BUT ESPECIALLY FLORIDA TODAY  
AND TUESDAY.  
 
FRACASSO  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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