980
FXUS01 KWBC 272001
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
300 PM EST SAT DEC 27 2025
VALID 00Z SUN DEC 28 2025 - 00Z TUE DEC 30 2025
...ARCTIC AIR WILL DESCEND INTO THE PLAINS TOMORROW, FOLLOWED BY A
POTENT WINTER STORM FROM THE UPPER MIDWEST TO THE GREAT LAKES
SUNDAY INTO TO MONDAY...
...RECORD WARMTH CONTINUES ACROSS THE CENTRAL AND SOUTHERN U.S.
THIS WEEKEND...
WITH WINTER WEATHER ENDED OVER NEW ENGLAND THIS AFTERNOON, MUCH OF
OUR ATTENTION WILL TURN WESTWARD TO THE PLAINS AND UPPER MIDWEST
AS A COMPACT UPPER-TROUGH ANALYZED OVER THE NORTHERN ROCKIES
DISPLACES A FRIGID ARCTIC AIRMASS SOUTHWARD. IN TURN, THE NEXT BIG
STORM SYSTEM IS FORECAST TO RAPIDLY INTENSIFY ALONG THE ARCTIC
FRONT OVER THE MIDWEST TOMORROW, BEFORE TRACKING THROUGH THE GREAT
LAKES ON MONDAY. A SLEW OF WINTER WEATHER HAZARDS ARE EXPECTED TO
ACCOMPANY THIS STORM BEGINNING LATE TOMORROW, INCLUDING BLIZZARD
CONDITIONS AND OVER A FOOT OF SNOWFALL OVER PORTIONS OF THE UPPER
MIDWEST AND GREAT LAKES. AT THE SAME TIME TOMORROW, INCREASING
SOUTHERLY FLOW OVERRUNNING A SHALLOW SUB-FREEZING AIRMASS WILL
YIELD INCREASING COVERAGE OF FREEZING RAIN OVER MUCH OF THE
INTERIOR NORTHEAST, WHICH THEN SPREADS INTO THE NORTHERN
APPALACHIANS MONDAY. MUCH OF THESE AREAS CAN EXPECT AT LEAST A
TENTH OF AN INCH OF ICE WITH THIS EVENT, WHILE PORTIONS OF THE
ADIRONDACKS, GREENS, AND WHITES COULD ECLIPSE A QUARTER TO HALF AN
INCH OF ICE BY MONDAY PER THE LATEST FORECAST. WESTERN
PENNSYLVANIA AND NEW YORK ARE ALSO "UNDER-THE-GUN" FROM THIS
EVENT, AS THE PASSAGE OF THE ARCTIC FRONT STIR UPS LOCALLY HEAVY
LAKE-EFFECT SNOWFALL DOWNWIND OF LAKES ERIE AND ONTARIO ON MONDAY.
EVEN AREAS IN THE NORTHERN PLAINS WHICH DO NOT SEE IMPACTFUL
PRECIPITATION FROM THIS SYSTEM SHOULD KEEP TABS ON THE FORECAST,
AS BITTERLY COLD WIND CHILLS AS LOW AS -30 DEGREES CAN BE EXPECTED
IN PARTS OF NORTH DAKOTA AND MINNESOTA FOLLOWING THE PASSAGE OF
THE FRONT. FOR THE REST OF THE CENTRAL U.S, THIS FRONT SHOULD
USHER IN A DRAMATIC CHANGE TO THE RECORD BREAKING WARM WEATHER
WHICH HAS GRIPPED THE REGION OVER THE LAST WEEK. UNTIL THE FRONT
SWINGS THROUGH LATER TOMORROW, HOWEVER, WIDESPREAD RECORD BREAKING
WARMTH WILL CONTINUE ACROSS THE CENTRAL/SOUTHERN PLAINS AND
SOUTHEAST, WHERE SOME CITIES COULD BREAK OR NEAR BREAK RECORD
HIGHS DATING BACK TO THE 1880S.
ASHERMAN/KONG
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