295  
FXUS01 KWBC 100759  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
258 AM EST SAT FEB 10 2018  
 
VALID 12Z SAT FEB 10 2018 - 12Z MON FEB 12 2018  
 
...FLOODING RAINFALL POSSIBLE FROM THE LOWER MISSISSIPPI INTO THE  
SOUTHERN/CENTRAL APPALACHIANS AND NORTHERN MID-ATLANTIC  
TODAY/TONIGHT...  
 
...ACCUMULATING SNOW TO IMPACT LOCATIONS FROM THE COLORADO ROCKIES  
INTO THE MIDWEST AND NORTHERN NEW ENGLAND...  
 
...FREEZING RAIN EXPECTED FROM THE MIDDLE MISSISSIPPI VALLEY INTO  
THE NORTHEAST THIS WEEKEND...  
 
A STRONG FRONT EXTENDING FROM THE NORTHEASTERN U.S. INTO TEXAS  
WILL HELP SET THE STAGE FOR AN UNSETTLED WEEKEND OVER MUCH OF THE  
EASTERN U.S. BITTER COLD AIR, WITH CURRENT EARLY SATURDAY MORNING  
TEMPERATURES OF -10 TO -20 OVER EASTERN MONTANA, WILL CONTINUE TO  
MOVE SOUTH TODAY. HIGH TEMPERATURES OVER THE CENTRAL AND NORTHERN  
PLAINS WILL ONLY REACH THE SINGLE DIGITS TO TEENS TODAY, WHILE  
LOCATIONS AHEAD OF THE FRONT WARM UP INTO THE 50S AND 60S...FROM  
THE MID-ATLANTIC INTO THE TENNESSEE VALLEY WITH 70S ALONG THE  
SOUTHEAST COAST.  
 
SEVERAL ROUNDS OF SNOW WILL AFFECT THE CENTRAL U.S. TO THE  
NORTHEAST OVER THE NEXT 36 HOURS, EACH PRODUCING LIGHT TO LOCALLY  
MODERATE ACCUMULATIONS. BY SUNDAY MORNING, AN ADDITIONAL SIX TO  
TWELVE INCHES OF SNOW IS EXPECTED INTO THE HIGHER TERRAIN OF THE  
COLORADO ROCKIES WITH THREE TO SIX INCHES LIKELY FROM NORTHERN NEW  
YORK INTO FAR NORTHERN NEW ENGLAND. LIGHTER AMOUNTS ARE FORECAST  
IN BETWEEN, FROM THE COLORADO FRONT RANGE INTO THE CENTRAL GREAT  
LAKES.  
 
ON THE WARM SIDE OF THE COLD FRONT, MOISTURE WILL ADVECT  
NORTHEASTWARD FROM THE GULF OF MEXICO INTO THE SOUTHERN AND  
EASTERN U.S., SUPPORTING A BROAD THREAT FOR FLOODING TODAY FROM  
THE CENTRAL GULF COAST INTO THE NORTHERN MID-ATLANTIC REGION WITH  
A GREATER FOCUS OVER TENNESSEE INTO THE SOUTHERN APPALACHIANS  
WHERE ROUGHLY TWO TO FOUR INCHES OF RAIN WILL BE POSSIBLE THROUGH  
SUNDAY.  
 
IN BETWEEN THE SNOW AND RAIN WILL BE A TRANSITION REGION OF  
FREEZING RAIN WITH LIGHT TO PERHAPS LOCALLY MODERATE ICING  
POSSIBLE FROM THE MIDDLE MISSISSIPPI VALLEY, ALONG THE OHIO RIVER  
AND INTO INTERIOR SECTIONS OF THE NORTHEAST.  
 
OUT WEST, TEMPERATURES WILL DROP BACK CLOSER TO NORMAL BEHIND A  
SERIES OF COLD FRONTS. LIGHT MOUNTAIN SNOW AND LOWER ELEVATION  
RAIN WILL FOLLOW A COLD FRONT AS IT TRACKS SOUTH ACROSS THE FOUR  
CORNERS REGION TODAY. OUTSIDE OF COLORADO, SNOWFALL ACCUMULATIONS  
FROM THIS SYSTEM SHOULD BE LIGHT. A SECOND COLD FRONT WILL ENTER  
THE NORTHWEST U.S. SUNDAY NIGHT AND BRING LIGHT SNOW TO THE  
NORTHERN ROCKIES AND NORTHERN GREAT BASIN. PRECIPITATION TOTALS  
FROM THESE SYSTEMS IS FORECAST TO BE LIGHT THROUGH MONDAY MORNING.  
 
OTTO  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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