187
FXUS01 KWBC 281900
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
200 PM EST SUN JAN 28 2024
VALID 00Z MON JAN 29 2024 - 00Z WED JAN 31 2024
...HEAVY SNOW CONTINUES FOR PORTIONS OF NEW ENGLAND, THE NORTHERN
MID-ATLANTIC, AND APPALACHIANS...
...CLIPPER-LIKE SYSTEM TO BRING RAIN AND SNOW SHOWERS TO THE GREAT
LAKES, OHIO VALLEY, AND APPALACHIANS MONDAY TO TUESDAY...
...MUCH ABOVE AVERAGE, MILD TEMPERATURES FOR LATE JANUARY FOR MUCH
OF THE COUNTRY...
MOISTURE FLOWING INLAND AROUND A LOW PRESSURE SYSTEM MOVING
THROUGH THE MID-ATLANTIC TODAY WILL CONTINUE TO LEAD TO
PRECIPITATION CHANCES FROM THE OHIO VALLEY/LOWER GREAT LAKES
EASTWARD THROUGH THE APPALACHIANS, MID-ATLANTIC, AND NEW ENGLAND.
THE MOST IMPACTFUL WEATHER WILL BE THROUGH PORTIONS OF SOUTHERN
NEW ENGLAND WEST THROUGH THE CATSKILLS, SOUTHERN TIER OF NEW
YORK/NORTHERN PENNSYLVANIA, AND SOUTHWARD THROUGH THE APPALACHIANS
WHERE ACCUMULATING SNOW IS EXPECTED. THE SNOW WILL LIKELY BE
HEAVIEST FOR PORTIONS OF SOUTHERN NEW ENGLAND AND HIGHER
ELEVATIONS OF THE SOUTHERN APPALACHIANS, WHERE WINTER STORM
WARNINGS ARE IN EFFECT FOR TOTAL ACCUMULATIONS GENERALLY BETWEEN
4-8", WITH MORE MODERATE TOTALS CLOSER TO 2-4" ELSEWHERE.
OTHERWISE, RAIN SHOWERS WILL BE POSSIBLE FOR THE OHIO VALLEY AND
SOUTHERN MID-ATLANTIC WITH A CHANCE FOR A LIGHT WINTRY MIX FOR THE
LOWER GREAT LAKES, WITH LITTLE TO NO ACCUMULATIONS ANTICIPATED.
PRECIPITATION SHOULD TAPER OFF FROM SOUTHWEST TO NORTHEAST THROUGH
THE DAY MONDAY AS THE SYSTEMS MOVES OUT INTO THE ATLANTIC.
CONDITIONS ACROSS THE REST OF THE CENTRAL AND EASTERN U.S. WILL
REMAIN MOSTLY DRY. SOME LIGHT TO MODERATE RAIN/SNOW SHOWERS WILL
DROP SOUTHEASTWARD FROM THE UPPER MIDWEST THROUGH THE GREAT LAKES
AND INTO THE UPPER OHIO VALLEY AND APPALACHIANS LATE MONDAY NIGHT
AND INTO THE DAY TUESDAY WITH A CLIPPER-LIKE SYSTEM. ANY
ACCUMULATIONS SHOULD REMAIN LIMITED TO A FEW INCHES OF SNOW FOR
HIGHER ELEVATIONS OF THE CENTRAL APPALACHIANS. THE WEST WILL BE
QUIET TOO BESIDES FOR SOME SHOWER CHANCES IN THE PACIFIC NORTHWEST
AS A SERIES OF PACIFIC WAVES PASS BY. A MORE IMPACTFUL ATMOSPHERIC
RIVER EVENT IS EXPECTED FOR THE WEST COAST LATER THIS WEEK JUST
BEYOND THE CURRENT FORECAST PERIOD, THOUGH THERE IS A CHANCE SOME
HEAVIER RAIN COULD BEGIN FOR PORTIONS OF NORTHERN
CALIFORNIA/SOUTHWESTERN OREGON TUESDAY EVENING.
BROAD UPPER-LEVEL RIDGING OVER THE WEST BEGINNING TO SHIFT/EXPAND
EASTWARD WILL KEEP HIGH TEMPERATURES ABOVE AVERAGE BY 10-20
DEGREES FOR MOST OF THE COUNTRY EARLY THIS WEEK. THE GREATEST
ANOMALIES WILL BE IN THE NORTHERN/CENTRAL PLAINS WHERE HIGHS IN
THE 40S, 50S, AND EVEN SOME LOW 60S ARE UPWARDS OF 25-30 DEGREES
ABOVE AVERAGE. HIGHS ALONG THE WEST COAST WILL BE QUITE
ANOMALOUSLY WARM TOO, WITH 60S FOR THE PACIFIC NORTHWEST/NORTHERN
CALIFORNIA AND 70S FOR SOUTHERN CALIFORNIA. HIGHS IN BOTH
LOCATIONS MAY TIE/BREAK DAILY RECORDS MONDAY AND TUESDAY. HIGHS
WILL REMAIN COOLER THAN AVERAGE FOR PORTIONS OF THE
SOUTHEAST/FLORIDA AS CONDITIONS ARE SLOWER TO MODERATE FOLLOWING A
COLD FRONT PASSAGE THIS WEEKEND, WITH HIGHS MOSTLY IN THE 50S AND
60S.
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