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NNE Winter Snow Thread II


dryslot

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7PM Lyndon State College, Vermont

27F

light snow

2"+ snow on the ground

storm total forecast: 14-19"

Interesting bit of weather history for you. I went to LSC in the mid to late 90s. On this very date in 1999 we had a 10-15" snowstorm in the NEK. I lived on burke at the time and measured 14.5" up there IIRC. The storm started during the evening of the 6th of March and ended early in the morning of the 7th. We had 2"/hr rates for awhile which was pretty rare to achieve up there.

Creepy coincidence!

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Event totals: 2.4” Snow/1.39” L.E.

Sunday 3/6/2011 4:30 P.M. update: Once the precipitation changed over to snow here around midday, it was steady but nothing too heavy, and the flakes were generally pretty small. Due to the potentially difficult weather however, the decision was made to cancel ski program at Stowe this afternoon, so at around 3:00 P.M. I headed up to Bolton to make a few turns there and see how the new snow was taking hold. By that point we probably had accumulated about an inch or so down here at 500’. I stopped in at the Timberline base (1,500’) and found 1-2” of new snow there, and then headed up to the main base (~2,100’) where accumulations seemed pretty similar. Up at 3,150’ I found one protected spot with 3 inches of accumulation, but in general there wasn’t anything more than a couple of inches. The snowfall probably picked up a bit around here in the later afternoon because when I cleared the snowboard at 4:30 P.M. it had 2.4 inches of snow on it. With the sleet down on the bottom of the stack, the overall density came in at 13.3% H2O, but even with the small flakes, the snow that was on top was certainly less dense than that. The snow was probably standard synoptic stuff at around 10% H2O. I grabbed a still shot showing some of the new snow out back before dusk came in:

06MAR11C.jpg

I hadn’t been watching the forecast too closely, and just figured we weren’t going to get too much snow out of this, since the flakes were so small and the snow was so dense. But now that I’ve seen the discussion it seems like the heavier stuff comes in tonight. One of my colleagues in South Burlington just called and said that they’ve received about 7 inches so far from this event. Here at the house I’d say we’re up to about 4 inches of total accumulation. The point forecast here does suggest about 12 to 20 inches through tomorrow:

Tonight: Snow. Low around 14. North wind between 7 and 10 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 10 to 16 inches possible.

Monday: Snow, mainly before 1pm. High near 22. North wind between 10 and 13 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

So we’ll just have to see what happens over the next 24 hours. I’ll be able to do another clearing of the board and a liquid analysis at 10:30 P.M., so it will be interesting to see how that turns out in terms of accumulation/snow density. It is interesting to note that just the small amount of snow received from this event through 4:30 P.M. is already more than was received in the entirety of March last season at this location (2.1 inches). Even if the low end of the forecasts here verify for this event, the March snow total will likely already exceed the totals from the past two Marches combined, and things would be on track for a much more typical March. I did notice on the Weather Channel that after a break during the middle of the week, there were several days featuring snow at the end of this week into next weekend, so that will obviously be something to watch as we move forward. Some details from the 4:30 P.M. observations are below:

New Snow: 2.4 inches

New Liquid: 0.32 inches

Snow/Water Ratio: 7.5

Snow Density: 13.3% H2O

Temperature: 29.3 F

Sky: Snow (1-2 mm flakes)

Snow at the stake: 24.0 inches

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Temp has leveled off here too. 33.3F has not budged in past 40 minutes. Wonder if things will stay pretty much status quo until the low has passed?

It'll continue to slowly drop over time. 35.0F here and 34.0F at Sanbornton. LEB is reporting ocnl FZRA now.
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Just updated snowfall graphic for the NE there. Still seeing two main areas of heavy snow accumulations of over 12", one in Central Main and the other across Central New Hampshire and Vermont. Any thoughts on this or how close are you guys to hitting these amounts.

My area won't be seeing 2-4". All rain, chance of ice. Random flakes upon exit.

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IMO this is not a great map....you have KBTV on the line of 6-10 implying that they will get 6. They already have 6. Also the bullseye is shifted too far south. The accumulating snow in general is too close to the Maine coast and amounts seem a bit conservative for the mountains of NNE.

Just updated snowfall graphic for the NE there. Still seeing two main areas of heavy snow accumulations of over 12", one in Central Main and the other across Central New Hampshire and Vermont. Any thoughts on this or how close are you guys to hitting these amounts.

NE1.gif

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Just updated snowfall graphic for the NE there. Still seeing two main areas of heavy snow accumulations of over 12", one in Central Main and the other across Central New Hampshire and Vermont. Any thoughts on this or how close are you guys to hitting these amounts.

NE1.gif

Is that how much of my snowpack is left after tonight/Monday? 2-4" of... rain?

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Just updated snowfall graphic for the NE there. Still seeing two main areas of heavy snow accumulations of over 12", one in Central Main and the other across Central New Hampshire and Vermont. Any thoughts on this or how close are you guys to hitting these amounts.

NE1.gif

The only 6-10" i see on that map will be the amount of snowpack i lose in the next 8 hrs.... :axe:

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