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Super, Duper SWFE


40/70 Benchmark
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1 minute ago, OceanStWx said:

That persistent SE NH sucker hole on modeling is definitely occurring at the moment. That coastal front is probably quite deep, so subsidence west of it isn't a surprise.

Usually the area immediately nw of it is enhanced...I don't buy that for me....its like 10 mi east of 8mi east of me.

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From BTV, indeed too cold to snow efficiently, the fly in the ointment! 


As of 416 AM EST Sunday...Winter storm warnings continue across the
North Country today as surface low pressure over the central
Appalachians this morning tracks to the tip of Cape Cod by later
this afternoon and then off into the Gulf of St. Lawrence tonight.
Little overall change was made to the forecast this morning but
there are a few challenging parts to talk about. First and foremost
is snow ratios and temps. Models continue to struggle mightily with
low level cold air advection persisting down the Champlain and St.
Lawrence Valleys where temperatures as of 4AM are still in the
single digit below zero. Elsewhere across the central Adirondacks
and central/southern Vermont where the 925mb flow has shifted
southeasterly, temps have risen into the single digits and teens
above zero. A handful of reports upstream indicate where
southeasterly flow is more prevalent, snow ratios have been ranged
from 10-20:1, while here at BTV where temps are much colder we`ve
seen mostly needles falling with very low ratios in the 8-12:1
range. Ratios have increased recently across the Champlain Valley as
a mesoscale band associated with an enhanced ribbon of 700mb fgen is
lifting through, but expect after it passes we`ll be back into lower
ratios again until later this morning when better 850mb fgen will
pivot through the area. 
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4 minutes ago, 40/70 Benchmark said:

There is a cf like 5 mi east of me....separating high 20s from high teens.

Snowfall amounts to the south have been about as expected before sleet.

I hope we tucky tucky so it's a lot of sleet here. Looked like 3-4" here. Tough to tell. I'm not home. It's definitely in that range. 

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