628
FXUS01 KWBC 240714
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
213 AM EST SUN NOV 24 2024
VALID 12Z SUN NOV 24 2024 - 12Z TUE NOV 26 2024
..HEAVY SNOWFALL FOR PARTS OF THE SIERRA NEVADA
...ABOVE AVERAGE TEMPERATURES SPREAD FROM THE CENTRAL U.S. INTO
THE EAST WHILE COLD AIRMASS DESCENDS INTO THE GREAT PLAINS...
A WEAK LOW PRESSURE SYSTEM WILL CONTINUE DIRECTING A PLUME OF
MOISTURE AT THE WEST COAST OVER THE NEXT FEW DAYS. THIS WILL
LIKELY RESULT IN COASTAL AND LOW ELEVATION RAIN, WHILE MODERATE TO
HEAVY SNOW PROLIFERATES ACROSS THE COASTAL RANGES OF WASHINGTON,
OREGON AND CALIFORNIA. THE HEAVIEST SNOWFALL IS LIKELY TO OCCUR
OVER PORTIONS OF THE SIERRA NEVADA, WITH THE SOUTHERN SIERRA
POISED TO ACCUMULATE 2-3 FEET WITH ISOLATED HIGHER AMOUNTS. SNOW
SHOWERS WILL ALSO IMPACT THE COLORADO ROCKIES OVER THE NEXT FEW
DAYS. HEAVY RAIN AND SNOW CHANCES INCREASE ON TUESDAY AS ANOTHER
ATMOSPHERIC RIVER EVENT ARRIVES ACROSS PARTS OF CENTRAL
CALIFORNIA.
RELATIVELY ZONAL FLOW ACROSS THE SOUTHERN TIER OF THE COUNTRY WILL
SUPPORT ANOTHER DAY OF ABOVE AVERAGE TEMPERATURES FOR THE
CENTRAL/SOUTHERN U.S. TODAY. AN UPPER TROUGH WILL PICKUP STEAM
OVER THE NORTHERN TIER AND SEND A STRONG COLD FRONT DIVING SOUTH
THROUGH THE GREAT PLAINS OVER THE NEXT 48 HOURS. HIGHS IN THE
TEENS WILL REPRESENT 20-30 DEGREE DEPARTURES FROM NORMAL OVER THE
NORTHERN HIGH PLAINS THROUGH MONDAY. TEMPERATURES WILL DROP
PRECIPITOUSLY, FROM HIGHS IN 60S AND 70S TODAY TO 40S AND 50S ON
MONDAY OVER PARTS OF THE SOUTHERN PLAINS AS THE COLD FRONT
PROPAGATES THROUGH. THE ASSOCIATED WARM FRONT WILL SPREAD MILD AIR
ACROSS THE EASTERN U.S. ON MONDAY BEFORE THE COLD FRONT ARRIVES
AND DROPS TEMPERATURES FOR THE REST OF THE WEEK.
KEBEDE
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