774
FXUS01 KWBC 080800
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
259 AM EST THU FEB 08 2024
VALID 12Z THU FEB 08 2024 - 12Z SAT FEB 10 2024
...UNSETTLED WEATHER CONTINUES FOR THE WEST WITH MODERATE TO
LOCALLY HEAVY SNOWFALL FOR MANY OF THE LOCAL MOUNTAIN RANGES...
...WINTRY PRECIPITATION FOR THE NORTHERN PLAINS AS
SHOWER/THUNDERSTORM CHANCES INCREASE FOR THE UPPER MIDWEST/GREAT
LAKES THURSDAY, SPREADING INTO THE SOUTH FRIDAY...
...MUCH ABOVE AVERAGE TEMPERATURES TO END THE WORK WEEK FOR MOST
OF THE CENTRAL/EASTERN U.S., RECORD WARMTH FOR SOME LOCATIONS IN
THE GREAT LAKES AND MID-ATLANTIC...
AN ENERGETIC, DEEP UPPER-LEVEL TROUGH WILL REMAIN OVER THE WEST
THE NEXT COUPLE OF DAYS, WITH A SERIES OF SHORTWAVES AND FRONTAL
SYSTEMS KEEPING PRECIPITATION CHANCES UP ACROSS THE REGION. MOST
OF THE HIGHER ELEVATIONS OF THE REGIONAL MOUNTAIN RANGES IN THE
ROCKIES, SOUTHWEST, GREAT BASIN, AND NORTHWEST WILL SEE SOME
MODERATE TO LOCALLY HEAVY SNOWFALL. THE HEAVIEST SNOWFALL WILL
CONTINUE OVER THE CENTRAL GREAT BASIN/FOUR CORNERS REGION
THURSDAY, WITH ADDITIONAL TOTALS GENERALLY BETWEEN 6-12" EXPECTED,
AND SOME LOCALLY HIGHER AMOUNTS POSSIBLE. LOWER ELEVATIONS/VALLEYS
WILL SEE A MIX OF LIGHT TO MODERATE RAIN AND SNOW SHOWERS, THOUGH
ANY SNOW ACCUMULATIONS SHOULD REMAIN LIMITED. LIGHT TO MODERATE
SHOWERS ARE ALSO IN THE FORECAST FOR THE PACIFIC NORTHWEST, ALONG
PORTIONS OF COASTAL CALIFORNIA, AND INTO THE DESERT SOUTHWEST.
FORTUNATELY, RAINFALL AMOUNTS HAVE COME DOWN, AND DESPITE THE VERY
WET ANTECEDENT CONDITIONS IN CALIFORNIA AND THE DESERT SOUTHWEST,
CHANCES FOR ANY ADDITIONAL FLOODING LOOK TO BE VERY LOW. HIGHS
WILL REMAIN BELOW AVERAGE UNDER THE INFLUENCE OF THE TROUGH AND
ONGOING PRECIPITATION, WITH HIGHS IN THE 30S AND 40S FOR THE
INTERMOUNTAIN WEST, 40S AND 50S FOR THE PACIFIC NORTHWEST/NORTHERN
CALIFORNIA, AND 50S AND 60S FOR SOUTHERN CALIFORNIA AND THE DESERT
SOUTHWEST.
TO THE EAST, A LOW PRESSURE/FRONTAL SYSTEM WILL TRACK
NORTHEASTWARD ACROSS THE NORTHERN PLAINS AND THROUGH THE UPPER
MIDWEST THURSDAY-FRIDAY. WINTRY PRECIPITATION CONTINUES ACROSS
PORTIONS OF THE NORTHERN PLAINS AS MOIST SOUTHEASTERLY FLOW
OVERRIDES COLDER AIR PUSHING SOUTHWARD EAST OF THE ROCKIES. A
LIGHT GLAZE OF ICE AS WELL AS AN ADDITIONAL 1-3" OR SO OF SNOW CAN
BE EXPECTED ACROSS EASTERN MONTANA AND NORTHERN NORTH DAKOTA,
TAPERING OFF FROM WEST TO EAST THROUGH THURSDAY. SHOWERS AND SOME
THUNDERSTORMS ARE EXPECTED AHEAD OF THE SYSTEM OVER THE UPPER
MIDWEST/GREAT LAKES THURSDAY, WITH CHANCES DECREASING INTO FRIDAY
AS THE SYSTEM MOVES INTO CANADA. A STAGNANT FLOW PATTERN SETTING
UP SOUTH OF THE COLD FRONT AND NORTHWEST OF RIDGING OVER THE
SOUTHEASTERN ATLANTIC WILL BEGIN TO FUNNEL GULF MOISTURE NORTHWARD
OVER PORTIONS OF THE SOUTHERN PLAINS, LOWER MISSISSIPPI VALLEY,
AND INTO THE TENNESSEE/OHIO VALLEYS, WITH INCREASING SHOWER AND
THUNDERSTORM CHANCES FRIDAY INTO EARLY SATURDAY MORNING.
HIGH TEMPERATURES WILL REMAIN WELL ABOVE AVERAGE BROADLY ACROSS
CENTRAL/EASTERN PORTIONS OF THE COUNTRY, WITH THE GREATEST
ANOMALIES CENTERED OVER THE MIDWEST. FORECAST HIGHS IN THE 40S AND
50S FOR THE UPPER MIDWEST/GREAT LAKES AND 60S FOR THE MIDDLE
MISSISSIPPI VALLEY ARE UPWARDS OF 25-35 DEGREES ABOVE AVERAGE.
HIGHER ANOMALIES WILL ALSO SHIFT INTO THE NORTHEAST WITH 30S AND
40S FOR NEW ENGLAND AND 40S, 50S, AND EVEN SOME 60S FOR THE
MID-ATLANTIC. SOME RECORD-TYING/BREAKING HIGH TEMPERATURES WILL BE
POSSIBLE FROM THE GREAT LAKES TO THE MID-ATLANTIC. FURTHER SOUTH,
HIGHS WILL GENERALLY BE IN THE 60S AND 70S FROM THE SOUTHERN
PLAINS INTO THE SOUTHEAST.
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