941  
FXUS01 KWBC 051957  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
256 PM EST TUE MAR 05 2019  
 
VALID 00Z WED MAR 06 2019 - 00Z FRI MAR 08 2019  
 
...ACTIVE WEATHER CONTINUES IN THE WEST, WITH HEAVY SNOW IN THE  
MOUNTAINS AND HEAVY TO EXCESSIVE RAIN IN PARTS OF CALIFORNIA...  
 
...COLD IN THE CENTRAL AND EASTERN U.S., WITH FREEZE WARNINGS  
WIDESPREAD IN THE SOUTHEAST...  
 
THE WESTERN U.S. WILL STAY ENTRENCHED IN AN ACTIVE WEATHER PATTERN  
AS MULTIPLE UPPER-LEVEL IMPULSES PASS THROUGH. AN INFLUX OF  
MOISTURE WILL LEAD TO THE POTENTIAL FOR HEAVY RAIN IN PARTS OF  
CALIFORNIA THROUGH TUESDAY NIGHT, AND THERE IS A SLIGHT RISK OF  
EXCESSIVE RAINFALL IN PLACE WHERE FLOODING COULD POSE A THREAT. IN  
HIGHER ELEVATIONS, PRECIPITATION WILL FALL AS SNOW, AND HEAVY SNOW  
OF 1 TO 3 FEET IS LIKELY FOR THE SIERRA NEVADA--MOST WILL FALL  
THROUGH WEDNESDAY BUT SNOW REMAINS POSSIBLE INTO THURSDAY. THE  
SAWTOOTH MOUNTAINS, WASATCH, AND NORTHERN/CENTRAL ROCKIES COULD  
ALSO SEE HEAVY SNOW OF 12 TO 18 INCHES. UPPER-LEVEL ENERGY WILL  
THEN MOVE INTO THE PLAINS WEDNESDAY NIGHT AND INTO THE MISSISSIPPI  
AND OHIO VALLEYS ON THURSDAY, SPREADING SNOW TO THESE AREAS.  
THROUGH THURSDAY EVENING, 2 TO 6 INCHES OF SNOW IS FORECAST FOR  
PARTS OF THE NORTHERN/CENTRAL ROCKIES AND THE MIDDLE MISSISSIPPI  
VALLEY.  
 
BELOW AVERAGE TEMPERATURES WILL PERSIST OVER THE CONUS EAST OF THE  
ROCKIES DURING THE PERIOD. THE NORTHERN/CENTRAL PLAINS WILL SEE  
HIGH TEMPERATURES 15 TO 30 DEGREES BELOW AVERAGE, AND LOW  
TEMPERATURES 10 TO 20 DEGREES LOWER THAN NORMAL. WHILE COLD, THIS  
IS AN IMPROVEMENT OVER RECENT TEMPERATURES. FREEZE WARNINGS ARE IN  
EFFECT ACROSS THE LOWER MISSISSIPPI VALLEY TO THE SOUTHEAST ON  
WEDNESDAY MORNING AS THE UNUSUALLY COLD, POTENTIALLY RECORD  
BREAKING, LOW TEMPERATURES COULD HARM VEGETATION. THE OHIO VALLEY  
INTO THE MID-ATLANTIC AND NORTHEAST CAN EXPECT HIGH TEMPERATURES  
OF 15 TO 25 DEGREES BELOW AVERAGE ON WEDNESDAY, WARMING A BIT ON  
THURSDAY. MEANWHILE, TEMPERATURES 10 TO 20 DEGREES ABOVE AVERAGE  
ARE FORECAST FOR THE SOUTHWEST INTO THE SOUTHERN ROCKIES.  
 
ELSEWHERE, LIGHT SNOW SHOWERS ARE EXPECTED FOR THE NEXT COUPLE OF  
DAYS IN THE GREAT LAKES REGION AND INTO THE NORTHEAST, WITH HIGHER  
TOTALS DOWNWIND OF LAKE ONTARIO WITH LAKE ENHANCEMENT. RAIN  
SHOWERS ARE POSSIBLE ALONG THE WESTERN GULF COAST ON WEDNESDAY,  
SPREADING INTO THE LOWER MISSISSIPPI AND TENNESSEE VALLEYS BY  
THURSDAY AS GULF MOISTURE INCREASES OVER LAND.  
 
TATE  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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