004
FXUS01 KWBC 250757
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
256 AM EST TUE FEB 25 2025
VALID 12Z TUE FEB 25 2025 - 12Z THU FEB 27 2025
...LOCALLY HEAVY RAINFALL AND HIGH ELEVATION MOUNTAIN SNOW IN THE
NORTHWEST CONTINUES THROUGH THE DAY TUESDAY BEFORE WINDING DOWN
OVERNIGHT...
...CLIPPER SYSTEM TO BRING SCATTERED RAIN AND SNOW SHOWERS FROM
THE MIDWEST TO THE APPALACHIANS/INTERIOR NORTHEAST LATE TUESDAY
INTO WEDNESDAY...
...WELL ABOVE AVERAGE TEMPERATURES AND MILD CONDITIONS FOR MOST OF
THE COUNTRY THIS WEEK...
AREAS OF LOCALLY HEAVY RAINFALL AND HIGHER ELEVATION MOUNTAIN SNOW
CONTINUE TUESDAY ACROSS THE PACIFIC NORTHWEST EAST THROUGH THE
NORTHERN ROCKIES AS AN ATMOSPHERIC RIVER EVENT BEGINS TO WIND
DOWN. A COLD FRONT PASSAGE THROUGH THE REGION WILL BRING AN END TO
THE PRECIPITATION WITH MOST RAINFALL ENDING BY TUESDAY EVENING AND
HIGH ELEVATION SNOWS LINGERING INTO WEDNESDAY MORNING. RAINFALL
TOTALS WILL BE DOWN COMPARED TO THE PAST COUPLE OF DAYS, BUT SOME
HEAVIER ADDITIONAL SNOW ACCUMULATIONS ARE EXPECTED FOR THE
NORTHERN CASCADES AND RANGES OF THE NORTHERN ROCKIES.
AN UPPER-LEVEL SHORTWAVE PASSING OVER THE APPALACHIANS AND THE
INTERIOR NORTHEAST TODAY WILL BRING SOME SCATTERED LIGHT RAIN
SHOWERS, WITH A WINTRY MIX/SNOW SHOWERS FOR HIGHER ELEVATIONS AND
NORTHERN AREAS ALONG THE CANADIAN BORDER. LITTLE TO NO SNOW
ACCUMULATIONS ARE EXPECTED. THEN, A QUICK MOVING CLIPPER SYSTEM
WILL PASS THROUGH THE MIDWEST OVERNIGHT TUESDAY AND REACH THE
NORTHEAST BY WEDNESDAY BRINGING MORE SCATTERED RAIN SHOWERS AS
WELL AS MORE SNOW SHOWERS FOR NORTHERN LOCATIONS NEAR THE CANADIAN
BORDER AND HIGHER ELEVATIONS OF THE INTERIOR NORTHEAST. ANY SNOW
ACCUMULATIONS SHOULD ONCE AGAIN REMAIN LIMITED.
MOST OF THE COUNTRY WILL SEE A PERIOD OF MILD CONDITIONS THROUGH
THE REST OF THIS WEEK, WITH HIGHS UPWARDS OF 10-20 DEGREES ABOVE
AVERAGE FOR MANY LOCATIONS. FORECAST HIGHS TUESDAY AND WEDNESDAY
GENERALLY RANGE FROM THE 40S AND 50S FOR THE GREAT BASIN, NORTHERN
PLAINS, UPPER MIDWEST, AND NORTHEAST; THE 50S AND 60S FOR THE
MIDWEST AND MID-ATLANTIC; THE 60S AND 70S FOR CALIFORNIA AND THE
SOUTHEAST; THE 70S AND 80S IN THE SOUTHERN PLAINS; AND THE 80S AND
90S IN THE DESERT SOUTHWEST. ONE EXCEPTION TO THE ABOVE AVERAGE
TEMPERATURES WILL BE FOR THE NORTHWEST TUESDAY WHERE 40S AND 50S
EXPECTED, THOUGH TEMPERATURES HERE SHOULD WARM ON WEDNESDAY BY
5-10 DEGREES. AFTER A VERY WARM DAY INTO THE 60S AND 70S FOR THE
CENTRAL PLAINS TUESDAY, A COLD FRONT PASSAGE WILL BRING SOME MORE
SEASONABLE TEMPERATURES IN THE 40S AND 50S WEDNESDAY.
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