258
FOUS11 KWBC 171928
QPFHSD
PROBABILISTIC HEAVY SNOW AND ICING DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
328 PM EDT FRI APR 17 2026
VALID 00Z SAT APR 18 2026 - 00Z TUE APR 21 2026
..COLORADO INTO NEBRASKA AND KANSAS
DAY 1...
BASE OF TROUGH AXIS CURRENTLY OVER THE WESTERN CO ROCKIES WILL
SHIFT TO THE HIGH PLAINS THROUGH THE REST OF THE AFTERNOON. HEIGHT
FALLS ABOVE THE POST-FRONTAL COLD CONDITIONS WILL CONTINUE TO
PROMOTE BANDED SNOW IN THE LEE OF THE FRONT RANGE UP INTO WESTERN
NEB AND INTO WESTERN KS BY THIS EVENING. DOWNSLOPING FROM THE HIGH
PLAINS EAST SHOULD CAUSE SNOW TO FALL APART THIS EVENING.
..UPSTATE NEW YORK/NORTHERN NEW ENGLAND
DAYS 2/3...
A STRONG COLD FRONT WILL PUSH ACROSS THE NORTHEAST SUNDAY WITH AN
UPPER TROUGH LINGERING OVER THE NORTHEAST THROUGH MONDAY.
NORTHEASTERN SEABOARD SFC LOW DEVELOPMENT ON SUNDAY WILL PROMOTE
SOME LIFT BEHIND THE COLD FRONT WHICH ALONG WITH TOPOGRAPHIC LIFT
WILL BRING SOME HIGHER TERRAIN SNOW ACCUM IN THE NORTHEAST
SUNDAY/SUNDAY NIGHT. DAY 2.5 SNOW PROBS FOR >4" ARE LIMITED TO THE
HIGHEST ADIRONDACKS, GREENS, AND WHITES.
JACKSON
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