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February 2013 mid-long range disco thread


Fozz

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Jan 2011 also went rain to snow, turned to heavy snow after the vort passed

Yes, I remember rain changing to chunks of ice (almost literally), then to huge flakes.  I think temps were just above freezing through the event, or maybe right at 32.

 

There's also Jan. 25, 2007, another marginal temperature event, when we got 5-6" of heavy, wet snow.  It was essentially an isothermal profile right around freezing up to 850 if  I recall correctly.

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Yes, I remember rain changing to chunks of ice (almost literally), then to huge flakes.  I think temps were just above freezing through the event, or maybe right at 32.

 

There's also Jan. 25, 2007, another marginal temperature event, when we got 5-6" of heavy, wet snow.  It was essentially an isothermal profile right around freezing up to 850 if  I recall correctly.

Ahh, that was the one we had winter storm warnings for ice right? 

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Ahh, that was the one we had winter storm warnings for ice right? 

Which one?  If you mean Feb. 25, 2007, I think they were expecting ice and we ended up with the heavy wet snow.  Sterling was playing catch-up on the accumulations, and a general 4-6" or so fell over the metro area.

 

(Edit:  Sorry, I should clarify my question.  Since I referenced both the Jan. 2011 and Feb. 2007 events, I wasn't quite sure which one you meant, but I assumed you were asking about the Feb. 25, 2007 one).

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Yes, boy it thumped here, huge aggregates, those were some serious flakes man. 

I was driving back from visiting family in Philly that day...a Sunday morning.  Left early because I knew there was going to be ice or snow or something.  When I got to the BW Parkway it was pouring snow.  Really nice!  It stuck to everything, almost looked like a thick paste with flakes pounding the wind shield.

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But you said yourself that winter events trend bigger in AGW

 

It was one of many variables that he listed, not the only one.  It's a litany of factors with agw, including more available water vapor in the atmosphere.

 

This one looks like a typical set up for potential MA snow, but it's not perfect and it's only a modeled solution 4 days out.

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I was driving back from visiting family in Philly that day...a Sunday morning.  Left early because I knew there was going to be ice or snow or something.  When I got to the BW Parkway it was pouring snow.  Really nice!  It stuck to everything, almost looked like a thick paste with flakes pounding the wind shield.

It was a little snow bomb, 1-2" an hr here for a bit, loved that surprise.

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It was a little snow bomb, 1-2" an hr here for a bit, loved that surprise.

Yes, in a way it was similar to the Jan. 26, 2011 event, but not quite as dynamic.  I remember looking at the radar during the Jan. 2011 event and thinking it looked like summertime thunderstorms popping up all over!  Which it almost was, only snow.

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there's a lot of potential energy with that massive trough

all we need is the right "kink" somewhere to get it to buckle

At the bare minimum it looks like it will get pretty cold. Crazy feed directly from the arctic. Vorts a plenty but whole trough way too positively tilted at 180. Bah, I'm heading back over to Wednesday.

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