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Thursday & Thursday Night Winter Storm Discussion


CT Rain

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Long time lurker here. Upton's discussion is interesting. Is SW CT really going to get another 4-8 with the low possibility of 8-12?

 

.NEAR TERM /UNTIL 6 AM FRIDAY MORNING/...

...ANOTHER HIT OF HEAVY SNOW FOR THE LOWER HUDSON
VALLEY...NORTHEAST NEW JERSEY...NYC/LI METRO AND SOUTHWEST CT
TONIGHT...

A HEAVY SNOW BAND WHICH DROPPED BETWEEN 6 AND 15 INCHES ACROSS
THE REGION EARLY THIS MORNING INTO EARLY AFTERNOON HAS PUSHED
NORTH OF THE REGION WITH DRY SLOT OVER THE REGION THROUGH THE
REMAINDER OF THE AFTERNOON. MAINLY SOME LIGHT RAIN SHOWERS AND
DRIZZLE CITY/COAST...AND LIGHT WINTRY MIX INTERIOR. A FEW
HUNDREDTHS OF AN INCH TO A TENTH OT TWO OF ICE ACCUM LIKELY
INTERIOR OF THE CITY/COAST.

THE NEXT CONCERN...AND PART TWO OF THIS STORM SYSTEM...WILL BE WITH
AN APPROACHING STRONG UPPER LOW WHICH WILL PIVOT NE FROM THE THE
MID ATLANTIC AND THROUGH THE REGION TONIGHT. THE STRONG FORCING
AND AMPLE MOISTURE FEED WITH THIS UPPER LEVEL SYSTEM AND BOMBING
SURFACE LOW TRACKING OVER FAR SE PORTIONS OF THE REGION WILL ALLOW
FOR MODERATE TO HEAVY PRECIP TO REDEVELOP ACROSS THE REGION THIS
EVENING. ASSOCIATED INSTABILITY WILL EVEN SUPPORT THUNDERSTORM
MAINTENANCE INTO OUR REGION TONIGHT...WHICH IS BEING SEEN ACROSS
THE COASTAL VIRGINIA/DC AREA LATE THIS AFTERNOON. WITH WARM LAYER
ALOFT FOR MUCH OF THE REGION THIS EVENING...INITIALLY PRECIP WILL
BE IN THE FORM OF RAIN ALONG THE COAST AND A WINTRY MIX INTERIOR
NW. THIS SHOULD QUICKLY CHANGE TO MODERATE TO HEAVY SNOW ACROSS NW
INTERIOR SECTIONS BY MID EVENING...AND THEN LIKEWISE TRANSITIONING
TO SNOW FROM NW TO SE THROUGH THE EVENING OVER THE WESTERN HALF OF
THE CWA. IT MAY TAKE UNTIL AFT MIDNIGHT...WHEN THE MID LEVEL LOW
MOVES NE OF THE REGION FOR TRANSITION TO SNOW ACROSS EASTERN LI
AND SE CT...LIMITING ADDITIONAL SNOW ACCUM.

MODELS HAVE BEEN CONSISTENT WITH THIS BACKSIDE DEFORMATION
BANDING OVER THE LAST FEW DAYS...AND CONFIDENCE IS MODERATE TO
HIGH IN A SWATH OF HEAVY SNOW ACROSS THE LOWER HUDSON VALLEY...NE
NJ...NYC/LI METRO AND SW CT. TRAVEL WILL ONCE AGAIN NOT BE
RECOMMENDED TONIGHT IN THIS AREA...WITH SNOWFALL RATES OF 1 TO 3
INCHES...AND AS MUCH AS 4 TO 8 INCHES OF ADDITIONAL SNOW LIKELY
HERE. THERE IS A LOW PROBABILITY OF AN ADDITIONAL 8 TO 12
INCHES...PARTICULARLY N&W OF NYC. BLOWING AND DRIFTING SNOW IS
LIKELY AFT MIDNIGHT ACROSS THIS AREA AS WINDS BEG

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I was more talking about IP/ZR vs. plain jane rain, but I think I answered my own question. Temp up 0.4F in last 15 minutes.

We'll start as ice but as soon as it gets hvy it goes to snow.When you get an ULL to go south of you ..esp one this strong..it always plays havoc with models and we typically get some very good surprises. I think even to the SE coast in Mass they get a few inches tonight

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