212
FXUS01 KWBC 251945
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
245 PM EST MON DEC 25 2023
VALID 00Z TUE DEC 26 2023 - 00Z THU DEC 28 2023
...HEAVY SNOW, BLIZZARD CONDITIONS, AND FREEZING RAIN LIKELY TO
CONTINUE ACROSS PORTIONS OF THE NORTH-CENTRAL U.S. THROUGH
TUESDAY...
...FLOODING RAINS ARE POSSIBLE ACROSS PORTIONS OF THE SOUTHERN AND
CENTRAL APPALACHIANS...
...A WINTRY MIX, INCLUDING SIGNIFICANT ICING, IS POSSIBLE ACROSS
PARTS OF THE NORTHWEST...
A SIGNIFICANT WINTER STORM WILL CONTINUE TO IMPACT A LARGE PORTION
OF THE NORTH-CENTRAL U.S., WITH HEAVY SNOW, FREEZING RAIN, AND
STRONG WINDS THROUGH TUESDAY. WIDESPREAD TRAVEL DISRUPTIONS ARE
LIKELY ACROSS THE REGION.
ADDITIONAL HEAVY SNOW ACCUMULATIONS ARE LIKELY DURING THE EVENING
AND OVERNIGHT HOURS INTO TOMORROW ACROSS PORTIONS OF THE NORTHERN
PLAINS, WITH PARTS OF WESTERN SOUTH DAKOTA LIKELY TO SEE AN
ADDITIONAL 8 TO 12 INCHES.
BLIZZARD WARNINGS ARE IN EFFECT FOR PARTS OF THE PLAINS, WHERE IN
ADDITION TO THE HEAVY SNOW, STRONG WINDS GUSTING AS HIGH AS 60 MPH
IN SOME LOCATIONS, WILL PRODUCE DANGEROUS WHITEOUT CONDITIONS.
A WINTRY MIX OF SLEET AND FREEZING RAIN, WITH SIGNIFICANT ICE
ACCUMULATIONS IS LIKELY FARTHER EAST. WIDESPREAD ICE
ACCUMULATIONS OF 0.10 TO 0.25 INCH, WITH LOCALLY HEAVIER AMOUNTS,
CAN BE EXPECTED ACROSS NORTHEASTERN SOUTH DAKOTA AND EASTERN NORTH
DAKOTA INTO FAR NORTHWESTERN MINNESOTA. POWER OUTAGES AND TREE
DAMAGE ARE LIKELY IN AREAS THAT RECEIVE SIGNIFICANT ICING.
BY TUESDAY NIGHT, THE STORM WILL GRADUALLY WEAKEN, HOWEVER A
WINTRY MIX IS LIKELY TO PERSIST INTO WEDNESDAY ACROSS PORTIONS OF
THE NORTHERN PLAINS AND UPPER MIDWEST.
EAST OF THE MISSISSIPPI, TEMPERATURES ARE EXPECTED TO REMAIN
ANOMALOUSLY WARM THROUGH MIDWEEK. MOISTURE SPREADING NORTH FROM
THE GULF OF MEXICO WILL FUEL WIDESPREAD RAINS FROM THE SOUTHEAST
TO THE GREAT LAKES, WITH THUNDERSTORMS POSSIBLE ACROSS THE
SOUTHEAST AND THE SOUTHERN MID ATLANTIC AND APPALACHIANS. AREAS
OF HEAVY RAINFALL, RESULTING IN LOCALIZED FLOODING, ARE POSSIBLE
ACROSS PORTIONS OF THE SOUTHERN APPALACHIANS TONIGHT BEFORE
EXTENDING INTO THE CENTRAL APPALACHIANS TOMORROW.
IN THE NORTHWEST, A FRONTAL SYSTEM WILL CONTINUE TO SPREAD
PRECIPITATION EAST ACROSS THE REGION AND INTO THE NORTHERN
ROCKIES. WHILE HIGH SNOW LEVELS ARE FORECAST TO CONFINE HEAVY
SNOW ACCUMULATIONS TO THE HIGHER MOUNTAIN PEAKS, A WINTRY MIX
RESULTING IN ACCUMULATING ICE CAN BE EXPECTED FROM THE CASCADE
VALLEYS EASTWARD INTO THE COLUMBIA BASIN. ICE STORM WARNINGS ARE
IN EFFECT FOR PORTIONS OF UPPER HOOD VALLEY AND THE SOUTH
WASHINGTON CASCADES, WHERE SIGNIFICANT ICE ACCUMULATIONS ARE
LIKELY.
PEREIRA
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