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Saturday Snow Squall Discussion/Obs


Sey-Mour Snow
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Snow Squall Warning.  That's a new one for me.

CTC005-MAC003-NYC021-027-039-083-111-191945-
/O.NEW.KALY.SQ.W.0006.220219T1902Z-220219T1945Z/
Litchfield CT-Berkshire MA-Ulster NY-Dutchess NY-Columbia NY-
Greene NY-Rensselaer NY-
202 PM EST Sat Feb 19 2022

The National Weather Service in Albany has issued a

* Snow Squall Warning for...
Northwestern Litchfield County in northern Connecticut...
Southern Berkshire County in western Massachusetts...
Northeastern Ulster County in east central New York...
Northern Dutchess County in east central New York...
Columbia County in east central New York...
Southeastern Greene County in east central New York...
Southwestern Rensselaer County in east central New York...

* Until 245 PM EST.

* At 202 PM EST, a dangerous snow squall was located along a line
extending from New Lebanon to Olivebridge, moving east at 50 mph.

HAZARD...Whiteout conditions. Zero visibility in heavy snow and
blowing snow. Wind gusts up to 30 mph.

SOURCE...Radar indicated.

IMPACT...Dangerous life-threatening travel.

* This includes the following highways...
Interstate 90 near exit 10.
Interstate 87 between exits 19 and 21.

Locations impacted include...
Pittsfield, Kingston, Great Barrington, Hudson, Catskill, Saugerties,
Rhinebeck, Chatham, Nassau, Hurley, Claverack, Lee, Woodstock, Lenox,
Amenia, Livingston, Copake, Sheffield, Stephentown and Coxsackie.

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The trailing "weaker" squall in Albany was substantially windier than the main line. I wonder if the lack of consolidation in this area made it difficult for winds to mix down as efficiently as they were able to in PA for example. Nice little event though, spent many years watching these dry up on approach to BOS, glad I finally had sufficient longitude to cash in.

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6 minutes ago, dendrite said:

Newer product but pretty sure we had some a couple years ago?

good memory there were some 1/30/19

797 
WWUS51 KBOX 302102
SQWBOX

BULLETIN - EAS ACTIVATION REQUESTED
Snow Squall Warning
National Weather Service Boston/Norton MA
401 PM EST Wed Jan 30 2019

CTC003-MAC011-013-015-302200-
/O.NEW.KBOX.SQ.W.0001.190130T2101Z-190130T2200Z/
Hartford CT-Hampshire MA-Franklin MA-Hampden MA-
401 PM EST Wed Jan 30 2019

The National Weather Service in Boston/Norton has issued a

* Snow Squall Warning for...
  Western Hartford County in northern Connecticut...
  Hampshire County in western Massachusetts...
  Franklin County in western Massachusetts...
  Western Hampden County in western Massachusetts...

* Until 500 PM EST.

* At 401 PM EST, a dangerous snow squall was located along a line 
  extending from near Pownal to near Hopewell Junction NY, moving 
  east at 40 mph.

  HAZARD...Whiteout conditions. Zero visibility in heavy snow and 
           blowing snow. Wind gusts greater than 30 mph.

  SOURCE...Radar indicated.

  IMPACT...Dangerous travel.

* 

Locations impacted include...
Springfield, Hartford, New Britain, West Hartford, Meriden, Bristol,
Chicopee, Southington, Westfield, Holyoke, Amherst, Newington,
Windsor, Northampton, Agawam, West Springfield, Farmington,
Greenfield, Wolcott and Deerfield.
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13 minutes ago, Typhoon Tip said:

Seems the trajectory of the heavier squall line is sort of behaving like summer convection in turning SE a bit...  N of Rt 2 may be shafted.

Kind of in no mans between radars now, but I think you'll be fine. Box is picking up some periphery stuff up into SW NH. Tough to get a good read yet though

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Just now, wx2fish said:

Kind of in no mans between radars now, but I think you'll be fine. Box is picking up some periphery stuff up into SW NH. Tough to get a good read yet though

We're starting to lose its utility because of daylight, but I find the day cloud phase RGB curve to be helpful for stuff like this. Where you have the greener, liquid cloud tops, especially when they start to glaciate (turn reddish) at the top you've got a pretty good convective snow shower going. That looks to be the case all the way up into Cheshire County before it starts to get broken and/or weaker.

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8 minutes ago, OceanStWx said:

We're starting to lose its utility because of daylight, but I find the day cloud phase RGB curve to be helpful for stuff like this. Where you have the greener, liquid cloud tops, especially when they start to glaciate (turn reddish) at the top you've got a pretty good convective snow shower going. That looks to be the case all the way up into Cheshire County before it starts to get broken and/or weaker.

Can we get a TDWR at MHT :lol:

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