December 16th, 2007 Ė Waterbury Winter Weather Event Updates

 

 

Sunday, December 16th, 2007

 

 

December 16th, 2007:† 8:00 A.M. update from Waterbury, VT.

 

New Snow:† 4.1 inches

Temperature:† 11.7 F

Humidity: †51%

Barometer:† 30.15 in Hg

Wind:† ~5 MPH

Sky:† Snow

Cumulative storm total:† 4.1 inches

Current snow at the stake:† 15 inches

Season snowfall total:† 52.9 inches

 

I saw Nanís final report from last night (~11:12 P.M.) when she mentioned that snow had started, so soon after that I took a look outside and there was some VERY light snow coming down.† A little while later, that precipitation had stopped however.† This morning, the flakes have changed over the couple hours that Iíve been watching them Ė from very fine ones to larger, fluffier ones.† I took some pictures this morning, but weíre going to pop up to the mountain for a bit to catch some turns, so Iíll try to post some later.† The wind doesnít seem too bad yet (weíll see what the mountain has to say however) but days where your tracks fill in before then next run are always fun.

 

 

[quote name='J.Spin' date='Dec 16 2007, 08:53 AM' post='2327773']The wind doesnít seem too bad yet (weíll see what the mountain has to say however)...[/quote]

 

Well, the wind says no go for the lifts up at Bolton.† Even the lower-mountain lifts were closed, so it looks like a backcountry day if I do any skiing.† There was some pretty grainy snow for a bit while we were near the base of the Bolton valley access road at around 10:00 A.M., but I can't confirm any sleet from what I saw.† So far at the house the precipitation is still all snow.† I won't do an official measurement until at least 2:00 P.M., but I took a quick measurement off the board at 10:30 A.M. and there were 5.5 additional inches of snow, so we're in the range of 9-10 inches of accumulation from this event.† Snow rates have obviously been solid with 5.5 inches in 2.5 hours, which averages out to 2.2 inches/hour.

 

 

As of 11:00 A.M., the precipitation had pretty much shot off here (presumably in association with the dry slot) so I took another quick intermediate reading off the snowboard.† It's still sitting at the 5.5 inches that I found at 10:30 A.M., so we're looking at a total accumulation of 9.6 inches.† I still haven't seen any sleet here yet, but we'll see what the afternoon brings.

 

 

December 16th, 2007:† 4:00 P.M. update from Waterbury, VT.

 

New Snow:† 5.7 inches

Temperature:† 18.1 F

Humidity:† 88%

Barometer:† 29.35 in Hg

Wind:† Calm

Sky:† Snow

Cumulative storm total:† 9.8 inches

Current snow at the stake:† 19 inches

Season snowfall total:† 58.6 inches

 

Itís been an interesting afternoon of following the weather here in Waterbury. After the snow shut off at around 11:00 A.M., we had just very light snow falling on and off for a couple of hours. At around 1:30 P.M., obvious sleet mixed in and we saw a light sleet/snow mix for about 15-30 minutes. I was just heading out from the house for a backcountry ski tour at that point so for the next couple of hours while I was skiing, I was able to follow the precipitation in this area very closely. At around 2:00 P.M., the precipitation switched back to light snow, and stayed that way during my ascent. I finished my ascent at around 3:00 P.M., and not much precipitation was falling at that point. At 3:20 P.M. I started my descent, and during the 20 or so minutes it took to get back to the house, moderate and then heavy sleet developed, and thatís what was going on just before 4:00 P.M. Around 4:00 P.M. when I was taking the reading off the snowboard, I noticed what looked like huge (half dollar-sized albeit irregularly shaped) snowflakes among the sleet. I caught a few of them and they looked like huge accretions of snowflakes welded together with a bit of ice. Over the next couple of minutes, the sleet disappeared and the huge snowflakes took over. It continued to snow heavily for a while, and now weíve got light/moderate snow that is a mixture of grainy flakes and graupel with some larger flakes. Between 11:00 A.M. and 4:00 P.M. the light snow/sleet only added up to about 0.2 inches of accumulation, but thereís already another half inch on the board since I cleared it at 4:00 P.M.

 

 

December 16th, 2007:† 10:00 P.M. update from Waterbury, VT.

 

New Snow:† 3.9 inches

Temperature:† 15.4 F

Humidity:† 89%

Barometer:† 29.15 in Hg

Wind:† Calm

Sky:† Moderate snow

Cumulative storm total:† 13.7 inches

Current snow at the stake:† 22 inches

Season snowfall total:† 62.5 inches

 

The 1-2 inch/hr snowfall didnít last too long, but there was still 3.9 inches of new snow between 4:00 P.M. and 10:00 P.M. for an average snowfall rate of 0.65 inch/hr during the period.† The Intellicast Northeast colored radar really makes it look like the snow broke up here a while ago, but the Weather Underground BTV composite reflectivity shows precipitation going strong.† Based on the fact that thereís still moderate snow coming down outside, Iíd say something is being missed without the composite.† It really looks like the flow into our area is shifting to the northwest on both radars however, so we may get into some upslope snowfall overnight.† The snow certainly is light and fluffy now; it was very easy to wipe off the board.† The local weather reports Iíve seen around here are suggesting a resurgence of precipitation later tonight/tomorrow morning, so many people are wondering what the school situation will be tomorrow.

 

 

Monday, December 17th, 2007

 

 

December 17th, 2007:† 7:00 A.M. update from Waterbury, VT.

 

New Snow:† 2.6 inches

Temperature:† 11.1 F

Humidity:† 88%

Barometer:† 29.56 in Hg

Wind:† Calm with occasional gusts to 15

Sky:† Light snow

Cumulative storm total:† 16.3 inches

Current snow at the stake:† 24 inches

Season snowfall total:† 65.1 inches

 

There was a bit more snow overnight, but Iím suspecting the bigger story is the wind.† We can hear it howling up in the higher elevations, and an occasional gust even makes it down here.† School is on for today for Mom and the boys, so I had to quickly run the snow thrower through the driveway so they could get out.† I stuck a ruler along the cut of fresh snow in the driveway and found that there were about 8 inches of new since the last time it was cleared yesterday.

 

 

December 17th, 2007:† 9:00 P.M. update from Waterbury, VT.

 

New Snow:† 0.2 inches

Temperature:† 14.0 F

Humidity:† 67%

Barometer:† 30.12 in Hg

Wind:† Calm

Sky:† Mostly Clear

Cumulative storm total:† 16.5 inches

Current snow at the stake:† 23 inches

Season snowfall total:† 65.3 inches

 

This will be my final report on this system, as it really cleared up today after a little more morning snow.† This storm ended up bringing us 16.5 inches, putting it in second place for storms this season, and the snowpack at the house settled down an inch from this morning, bringing it to 23 inches.† It looks like our next shot at snow will be Wednesday.

 


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