047
FXUS01 KWBC 011856
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
255 PM EDT WED NOV 01 2023
VALID 00Z THU NOV 02 2023 - 00Z SAT NOV 04 2023
...COLD WEATHER PATTERN EAST OF THE ROCKIES TO MODERATE BY THE END
OF THE WEEK INTO THE WEEKEND...
...RECORD LOW MORNING TEMPERATURES POSSIBLE FROM THE LOWER
MISSISSIPPI VALLEY, SOUTHEAST, MID ATLANTIC AND NORTHERN NEW
ENGLAND...
...ATMOSPHERIC RIVER TO BRING HEAVY RAINS TO THE PACIFIC NORTHWEST
THURSDAY NIGHT INTO FRIDAY AND INTO NORTHERN CALIFORNIA LATE
FRIDAY INTO EARLY SATURDAY...
THE COLD FALL WEATHER PATTERN GRIPPING MUCH OF THE LOWER 48 TO THE
EAST OF THE ROCKIES WILL BEGIN TO MODERATE BY THE END OF THE WEEK
AND INTO THE WEEKEND. THE COLD AREA OF HIGH PRESSURE, CURRENTLY
CENTERED FROM THE OHIO VALLEY INTO THE LOWER MISSISSIPPI VALLEY
AND SOUTHERN PLAINS WILL BE PUSHING EASTWARD OVER THE NEXT FEW
DAYS AND OFFSHORE OF EAST COAST ON FRIDAY. THE MUCH BELOW AVERAGE
TEMPERATURES OF WEDNESDAY FOR ALL AREAS EAST OF THE ROCKIES WILL
REMAIN BELOW AVERAGE THURSDAY INTO FRIDAY, BUT TREND WARMER ON
BOTH DAYS. THE COLDEST MORNING EXPECTED TO BE THURSDAY MORNING
WHEN RECORD LOW TEMPERATURES ARE POSSIBLE FROM THE LOWER
MISSISSIPPI VALLEY, ACROSS PORTIONS OF THE SOUTHEAST, MID-ATLANTIC
AND NORTHERN NEW ENGLAND. FREEZE WARNINGS ARE IN EFFECT ACROSS
ALL OF THESE AREAS, SAVE FOR NEW ENGLAND, SIGNALING THE END OF THE
GROWING SEASON FOR THESE REGIONS. MOST AREAS TO THE EAST OF THE
ROCKIES WILL HAVE BELOW FREEZING TEMPERATURES THURSDAY MORNING,
EXCEPT FOR THE GULF COAST, FLORIDA AND THE SOUTHEAST COAST. IN
CONTRAST TO THE BELOW AVERAGE TEMPERATURES TO THE EAST OF THE
ROCKIES, TEMPERATURES WILL REMAIN ABOVE AVERAGE OVER THE NEXT FEW
DAYS FROM THE ROCKIES TO THE WEST COAST.
WHILE MOST OF THE COUNTRY WILL BE DRY OVER THE NEXT SEVERAL DAYS,
A WET WEATHER PATTERN IS BEGINNING FOR PORTIONS OF THE WEST COAST.
THE INITIAL SURGE OF ABOVE AVERAGE MOISTURE VALUES FROM THE FIRST
ATMOSPHERIC RIVER EVENT WILL BRING A HEAVY PRECIPITATION THREAT
INTO THE PACIFIC NORTHWEST WEDNESDAY NIGHT INTO EARLY THURSDAY.
THIS WILL BE FOLLOWED BY ADDITIONAL HEAVY PRECIPITATION LATE
FRIDAY INTO EARLY SATURDAY FOR NORTHERN PORTIONS OF CALIFORNIA.
THIS WET WEATHER PATTERN SHOULD CONTINUE THEN INTO THE LATE
WEEKEND AND NEXT WEEK WITH ADDITIONAL PERIODS OF HEAVY
PRECIPITATION. THIS UPCOMING WET WEATHER PATTERN WILL BE WELCOME
ACROSS THESE REGIONS AS MUCH OF THE PACIFIC NORTHWEST INTO
NORTHERN CALIFORNIA HAS HAD BELOW AVERAGE PRECIPITATION OVER THE
PAST MONTH AND IS EXPERIENCING MODERATE TO EXTREME DROUGHT
CONDITIONS.
ORAVEC
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