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26th-27th event, coming at us like a wounded duck.


Go Kart Mozart
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2 minutes ago, Go Kart Mozart said:

Wiz, I gather that the "crosshair" indicates rapid lift through the DGZ.  What am I looking for on a skew-T to see that?

That is correct. When you see that signature that indicates strong upward vertical motion which will transport moisture into the DGZ and that's when you're most likely to get dendrites which accumulate efficiently. There are some other factors which need to be considered as well though. 

But here is an example from coolwx.com of the 6z NAM for BDL. This site is pretty cool if you don't have bufkit  but you can see the maximum omega bisecting the DGZ

image.thumb.png.e473c5f359fcb37d30f2f569a9aa82d0.png

Say you wanted to look for it on forecast soundings. What you would do is fine the DGZ (which is usually a colored as a yellow area on the temperature line) then on the left look at the omega (horizontal purple lines which indicate upward motion). The longer the lines, the stronger the lift and you want longer lines to match up to where the DGZ is.

image.png.f3f3ce55e423f76542cace26de453be5.png

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1 minute ago, TalcottWx said:

I think 4-7" covers Kev and I well. I'd be surprised if either of us <4". Sure, I'm a little better positioned west of the river, but elevation should benefit him. I don't see cutoff being Tolland. Maybe Steve to Will?

You have a better shot of higher amounts. Who knew Simsbury is a snowier spot than Tolland.

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Those earlier NAM runs were cracked out. Nobody was expecting 6-9” from ORH to Taunton. If you were, you had snow globe glasses on. But this looked like basically a clean whiff for central and eastern areas 36 hours ago so getting advisory amounts would be a big win. 

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Just now, CoastalWx said:

You have a better shot of higher amounts. Who knew Simsbury is a snowier spot than Tolland.

Jokes aside, I feel for E MA right now. This storm, and the last, were terrible there comparatively. (Obviously, this one still has to play out, but the goal posts are in place).

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1 minute ago, Ginx snewx said:

That line of thinking is like being at  Pats game that is great but rather than enjoying the win you say sucks we lose to the Bills in 4 days.

Absolutely.  I never get that thinking.
 

 I likened it to having a fabulous day or two in mid April that are 75-80 degrees, but not enjoying it because 2-3 days later it’ll be 41 with drizzle.  Idiotic. 

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1 minute ago, WinterWolf said:

Absolutely.  I never get that thinking.
 

 I likened it to having a fabulous day or two in mid April that are 75-80 degrees, but not enjoying it because 2-3 days later it’ll be 41 with drizzle.  Idiotic. 

It would be nice for once to keep snow around longer than 48hrs. God forbid that happens. 

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1 minute ago, CoastalWx said:

It would be nice for once to keep snow around longer than 48hrs. God forbid that happens. 

Very understandable….but in the end it all melts anyway. So might as well enjoy it while you/we can.  But I get what you mean.  More chances going forward though. 

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1 minute ago, Baroclinic Zone said:

Agreed. There is a nice northeasterly fetch as storm exits. Will enhance and linger snowfall over far E MA. 

It’s along the CF I think, but definitely Ray’s coke streamers coming off the water too. 
 

Hopefully guidance doesn’t regress today. 

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