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Dec 9th Winter Threat


ORH_wxman

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I'm surprised BTV is going with absolutely no mixing here and 3-5" of snow.  The 18z NAM gives me like 0.1" of QPF, lol.

 

Tonight: Cloudy. Snow likely after midnight. Snow accumulation a dusting to 2 inches. Lows around 16. Light and variable winds... Becoming south around 10 mph with gusts up to 25 mph after midnight. Chance of snow 70 percent.

Monday: Snow. Total snow accumulation of 3 to 5 inches. Highs in the lower 30s. South winds 10 to 15 mph. Chance of snow 90 percent.

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Euro was atrocious today in NJ from what I could see...and like I said it's had some miserable moments in that system last week that missed.  Not a lock this year

 

Unfortunately the NAM is even worse, lol. 

 

As far as today, I think all models were atrocious.  No one had 4-8" in Philly area.

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I'm surprised BTV is going with absolutely no mixing here and 3-5" of snow. The 18z NAM gives me like 0.1" of QPF, lol.

Tonight: Cloudy. Snow likely after midnight. Snow accumulation a dusting to 2 inches. Lows around 16. Light and variable winds... Becoming south around 10 mph with gusts up to 25 mph after midnight. Chance of snow 70 percent.

Monday: Snow. Total snow accumulation of 3 to 5 inches. Highs in the lower 30s. South winds 10 to 15 mph. Chance of snow 90 percent.

How bout btv wrf

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Euro was atrocious today in NJ from what I could see...and like I said it's had some miserable moments in that system last week that missed. Not a lock this year

Yeah it's busted pretty bad recently. The nam isn't much better, but just because the euro doesn't show it, i don't think that means much to be honest

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I'm surprised BTV is going with absolutely no mixing here and 3-5" of snow. The 18z NAM gives me like 0.1" of QPF, lol.

Tonight: Cloudy. Snow likely after midnight. Snow accumulation a dusting to 2 inches. Lows around 16. Light and variable winds... Becoming south around 10 mph with gusts up to 25 mph after midnight. Chance of snow 70 percent.

Monday: Snow. Total snow accumulation of 3 to 5 inches. Highs in the lower 30s. South winds 10 to 15 mph. Chance of snow 90 percent.

Meterology not modelogy. Still totally impressed with how Snow Goose sniffed that band out. Good lesson to me. NAM frontogenesis page had it.
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How bout btv wrf

 

I still think it comes down to the dry air in the snow growth region as Oceanstwx has been hammering home.  If you're getting needles, rimed pellets or any other type of non-efficient accumulator, we are going to need some solid QPF to get to 3-5" of snow at less than 10:1 ratios. 

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18z NAM has stronger lift in the snow growth zone, but its a little elevated for dendrite growth, so it might be a little less than ideal for the best kind of accumulating snows.  Still some time left.  18z GFS wasn't all the way west for us to get in the best lift, but within 48 hours it tends to drift west some before settling.

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