290
FXUS01 KWBC 242001
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
300 PM EST FRI NOV 24 2023
VALID 00Z SAT NOV 25 2023 - 00Z MON NOV 27 2023
...HEAVY SNOW AND GUSTY WINDS WILL IMPACT THE CENTRAL AND SOUTHERN
ROCKIES INTO THE CENTRAL PLAINS THROUGH TONIGHT AND SATURDAY...
...TEMPERATURES WILL BE BELOW AVERAGE FOR LARGE SECTIONS OF THE
COUNTRY THIS HOLIDAY WEEKEND...
...SOME RAIN EXPECTED TO TRAVERSE THE GULF COAST STATES THIS
WEEKEND...
A STORM SYSTEM CROSSING THE INTERMOUNTAIN WEST WILL CONTINUE TO
BRING AREAS OF HEAVY SNOWFALL TO THE CENTRAL AND SOUTHERN ROCKIES,
AND ALSO THE CENTRAL PLAINS GOING THROUGH TONIGHT AND SATURDAY.
COINCIDING WITH THE HEAVY SNOW WILL BE VERY COLD TEMPERATURES AND
GUSTY WINDS WHICH WILL RESULT IN SNOW-COVERED ROADS, REDUCED
VISIBILITIES, AND HAZARDOUS TRAVEL CONDITIONS. ADDITIONAL SNOWFALL
AMOUNTS OF AS MUCH AS 6 TO 12 INCHES CAN BE EXPECTED OVER THE
CENTRAL AND SOUTHERN ROCKIES, WITH SOME OF THE HIGHER PEAKS SEEING
1 TO 2 FEET. THE SNOW THAT IS CURRENTLY OVER NEBRASKA WILL SETTLE
SOUTHWARD TONIGHT AND ADVANCE OVER LARGE AREAS OF KANSAS ON
SATURDAY, AND THIS WILL BRING AS MUCH AS 4 TO 8 INCHES OF SNOW
HERE. THIS WINTER STORM SHOULD THEN TAPER DOWN GOING THROUGH THE
REMAINDER OF THE WEEKEND, BUT THE TEMPERATURES WILL REMAIN LOCALLY
WELL BELOW AVERAGE.
MANY AREAS OF THE REST OF THE COUNTRY WILL ALSO BE BELOW AVERAGE
HEADING THROUGH THE HOLIDAY WEEKEND AS AN ELONGATED AXIS OF COLD
HIGH PRESSURE INITIALLY STRETCHING FROM THE INTERMOUNTAIN WEST
EAST THROUGH THE PLAINS, MIDWEST AND MID-ATLANTIC STATES REMAINS
IN PLACE MOST OF THE PERIOD. TEMPERATURES WILL BE AS MUCH AS 10 TO
20 DEGREES BELOW NORMAL, WITH THE COLDER TEMPERATURE ANOMALIES
PERSISTING OUT ACROSS THE CENTRAL PLAINS WHERE THE AFOREMENTIONED
WINTER STORM AND ADDED SNOWPACK WILL HELP REINFORCE THE COLD
AIRMASS.
HOWEVER, HIGH PRESSURE AT LEAST OVER THE MIDWEST AND TOWARD THE
EAST COAST WILL WEAKEN AND GIVE WAY BY EARLY SUNDAY TO MULTIPLE
AREAS OF LOW PRESSURE AND THE ARRIVAL OF A COUPLE OF NEW COLD
FRONTS. THIS WILL INCLUDE THE REMNANTS OF THE AFOREMENTIONED
WINTER STORM OVER THE ROCKIES AND PLAINS THAT WILL CROSS THE
MIDWEST WITH AT LEAST A SWATH OF LIGHT ACCUMULATING SNOWFALL.
MEANWHILE, A WEAK STORM SYSTEM TRAVERSING THE GULF COAST STATES
WILL GIVE WAY TO AN AREA OF LOW PRESSURE FORMING JUST OFFSHORE OF
THE MID-ATLANTIC STATES BY LATE SUNDAY. THIS WILL BRING SOME RAIN
TO THE GULF COAST STATES AND EVENTUALLY AREAS OF THE MID-ATLANTIC
COASTAL PLAIN. JUST AFTER THIS PERIOD HEADING INTO EARLY NEXT
WEEK, THIS LOW CENTER COUPLED WITH WEAK LOW PRESSURE OVER THE OHIO
VALLEY SHOULD CONSOLIDATE AND LEAD TO A STRONGER AREA OF LOW
PRESSURE AND HEAVIER PRECIPITATION THAT WILL IMPACT PORTIONS OF
NEW ENGLAND.
ORRISON
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