736
FOUS11 KWBC 010630
QPFHSD
PROBABILISTIC HEAVY SNOW AND ICING DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
130 AM EST SUN FEB 1 2026
VALID 12Z SUN FEB 01 2026 - 12Z WED FEB 04 2026
..SOUTHEASTERN MASSACHUSETTS
DAY 1...
THE POWERFUL WINTER STORM EXITING THE CAROLINAS THIS MORNING WILL
GRAZE SOUTHEASTERN NEW ENGLAND TODAY WITH GENERALLY LIGHT SNOW BUT
VERY GUSTY WINDS. WPC PROBABILITIES FOR AT LEAST 4 INCHES OF SNOW
ARE 10-30% OVER NANTUCKET AND INTO PARTS OF CAPE COD (E.G.,
CHATHAM).
..NORTHERN PLAINS THROUGH THE UPPER MIDWEST AND GREAT LAKES
DAYS 1-3...
A SURFACE FRONT WILL MOVE OUT OF THE UPPER MIDWEST INTO THE
WESTERN GREAT LAKES TODAY THEN INTO MICHIGAN AND THE EASTERN GREAT
LAKES MONDAY. SNOW WILL BE LIGHT, GENERALLY 1-3", AS THE SYSTEM
REMAINS PROGRESSIVE. ANOTHER ROUND OF LIGHT SNOW ARRIVES IN THE
NORTHERN HIGH PLAINS ON MONDAY AND ENDING MONDAY NIGHT, BUT TOTALS
ARE LIKELY TO BE BELOW 3 INCHES. SOME AREAS IN THE U.P. MAY SEE
SEVERAL INCHES OF THE THREE-DAY PERIOD WITH MODEST LAKE EFFECT SNOW
BEHIND THE FRONT.
..OHIO VALLEY & CENTRAL APPALACHIANS
DAY 3...
THE SHORTWAVE TROUGH RESPONSIBLE FOR LIGHT SNOW IN THE NORTHERN
HIGH PLAINS ON MONDAY WILL DIVE INTO THE MIDDLE MS VALLEY EARLY
TUESDAY MORNING AND RACE INTO THE OH VALLEY BY TUESDAY AFTERNOON
AND THE MID-ATLANTIC BY WEDNESDAY MORNING. WEAK 850-700MB WAA AND
MID-LEVEL MOISTURE WILL FAVOR LIGHT SNOWFALL IN A WEST-TO-EAST
AREAS. MOST SNOWFALL AMOUNTS WILL BE GENERALLY A COATING-2", BUT
SOME UPSLOPE ENHANCEMENT INTO THE CENTRAL APPALACHIANS MAY ALLOW
FOR A BIT MORE. HERE, WPC PROBABILITIES FOR AT LEAST 4 INCHES OF
SNOW ARE LOW (10-20%). LIGHT SNOW WILL EXTEND EASTWARD INTO THE
MID-ATLANTIC EARLY WEDNESDAY.
FRACASSO
...EXTREME COLD KEY MESSAGES ARE IN EFFECT. PLEASE SEE CURRENT KEY
MESSAGES BELOW...
HTTPS://WWW.WPC.NCEP.NOAA.GOV/KEY_MESSAGES/LATESTKEYMESSAGE_1.PNG
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