866
FXUS01 KWBC 050407
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
1207 AM EDT SUN NOV 05 2023
VALID 12Z SUN NOV 05 2023 - 12Z TUE NOV 07 2023
...MODEST ATMOSPHERIC RIVER ACTIVITY TO BRING MULTIPLE ROUNDS OF
BENEFICIAL PRECIPITATION ACROSS THE PACIFIC NORTHWEST AND THE
NORTHERN ROCKIES OVER THE NEXT COUPLE OF DAYS...
...MIXED LIGHT RAIN AND SNOW MAY BRUSH THE NORTHERN BORDERS OF THE
NORTHERN PLAINS TO THE INTERIOR NORTHEAST THROUGH MONDAY...
...FAIR AND MILD WEATHER EXPECTED TO CONTINUE FROM THE
SOUTHWESTERN U.S. TO MUCH OF THE EASTERN U.S; COOL PACIFIC AIR
ARRIVES OVER THE WEST THIS WEEK....
PERSISTENT TROUGHING WILL CONTINUE TO GENERATE UNSETTLED WEATHER
OVER PARTS OF THE PACIFIC NORTHWEST AND NORTHERN ROCKIES THROUGH
MONDAY. THE CURRENT FLUX OF MOISTURE CENTERED OVER NORTHERN
CALIFORNIA WILL RELENT THIS MORNING AND REFOCUS OVER THE SAME AREA
LATE TONIGHT. A MARGINAL RISK OF FLASH FLOODING IS IN EFFECT FOR
THIS AREA DUE, IN PART, TO THE ONGOING AND RECENT RAIN. ALL THE
WHILE, THE ASSOCIATED MOISTURE IS EXPECTED TO SPREAD INTO THE
NORTHERN ROCKIES AND PRODUCE LIGHT TO MODERATE RAIN SHOWERS AT LOW
ELEVATIONS AND SNOW OVER ELEVATED TERRAIN. ANOTHER ROUND OF LIGHT
RAIN/SNOW WILL ARRIVE OVER THE PAC NW AND NORTHERN ROCKIES MONDAY
NIGHT INTO TUESDAY. THIS WILL RENEW FLASH FLOODING CONCERNS ACROSS
THE IMMEDIATE PAC NW COAST.
SHORTWAVE ENERGY WILL AMPLIFY AS IT MOVES OUT OF THE NORTHERN
ROCKIES AND INTO THE NORTHERN PLAINS EARLY THIS WEEK. THE
ASSOCIATED SURFACE LOW PRESSURE SYSTEM WILL PRODUCE SOME LIGHT TO
MODERATE SNOW AND RAIN SHOWERS FROM THE NORTHERN PLAINS TO THE
INTERIOR NORTHEAST OVER THE NEXT COUPLE OF DAYS. SOME WINDY
CONDITIONS ARE POSSIBLE OVER PARTS OF THE UPPER GREAT
LAKES/MIDWEST ON MONDAY AS WELL. RELATIVELY ZONAL FLOW ACROSS THE
REST OF THE CONUS WILL SUPPORT ABOVE AVERAGE TEMPERATURES OVER THE
NEXT FEW DAYS. ANOMALOUS TROUGHING WILL MOVE INTO THE WEST THIS
WEEK AND USHER IN A COOLER PACIFIC AIRMASS INTO THE REGION.
KEBEDE
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