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NNE Fall Thread


dryslot

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15 hours ago, backedgeapproaching said:

Sunny and U50s, awesome day today.

Although I wouldn't mind an inch or two here and there to get to my 5" NOV average.  There have been a few pretty snowy NOVs in VT, although it seems the big totals don't happen too often. . 2002 the most recent it seems and a few others like 71 and 72. 

Nov 1971 was pretty much a 10 day siege at the end of the month. Maybe a miracle pattern flip to end the month

     
   

I certainly don’t consider November cold and snow wasted at all in NNE - on average in November, the permanent winter snowpack actually starts in the mountains (and even in the mountain valleys up here about half the time according to my data), so November cold is certainly appreciated.  December can be so potent with snow that it can quickly make up for any November shortfalls, but unfortunately there’s not total independence between the months – if the pattern through November is warm and/or dry, it’s not as if it will flip right on the first of December.

 

Roger Hill has been pretty clear in his most recent WDEV broadcasts about not seeing any notable snow in the near future, and it’s not so much that right now (early November) matters too much, but the fact that terms like “miracle pattern flip” are being used for the latter part of the month gives one a good idea of what people are thinking with respect to the next few weeks.  We can easily pull snow out of a variety of patterns up here, but from my perspective as an NVT skier, if we go right through November and into December without getting into some decent periods of snow/cold, the ski season has already taken a hit.  It means that the natural snow season is starting out slower than average, and even if one is just looking to get out on the manmade trails, there’s going to be less terrain available.  Some folks would disagree and give top marks to a season like 2006-2007, where things didn’t get going until the second half, but I consider the second half of the season essentially a given.  There’s always going to be some sort of snowpack by the time you get to February.  It’s the early months that can really suffer if the snow and cold don’t come; you can carry extra snowpack from the first half of winter into a lackluster second half, but for some reason the reverse just doesn’t seem to work.

 

Technically we’ve already had a fantastic week of skiing in October that would pass for great even in any November, so we’re sort of covered there, it’s just that a similar period in November would have a better chance of bringing more of the natural base right into the front end of the season.

     
     
   
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Checking in on the latest BTV AFD, it looks like the cold and snow are still on track to come into the area with the cold front tomorrow into Saturday.  I suspect that the resorts that are so inclined will have the snow guns cranking out the white stuff during the period.  Beyond this shot it looks like another week or so before any additional natural snow chances would be in the area.

 

Area Forecast Discussion

National Weather Service Burlington VT

645 AM EST Thu Nov 10 2016

 

.SHORT TERM /FRIDAY THROUGH SATURDAY/...

As of 345 AM EST Thursday...On Friday light rain showers continue and change to snow showers as colder air works into the region behind departing surface cold front. Northwest flow will help to enhance some of the upslope effects, though precipitation should shut down pretty quickly by about 18z. We may have a quick inch of snowfall in the mountains above 2500 feet. Cold air will remain in place across the region and a surface ridge of high pressure builds for Friday night and Saturday bringing dry weather and cool temps.

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12 minutes ago, J.Spin said:

Checking in on the latest BTV AFD, it looks like the cold and snow are still on track to come into the area with the cold front tomorrow into Saturday.  I suspect that the resorts that are so inclined will have the snow guns cranking out the white stuff during the period.  Beyond this shot it looks like another week or so before any additional natural snow chances would be in the area.

 

Probably a safe bet...having a good run last night into this morning.

Bottomed out at 20F at the summit (still 21F) and 26F at the base.

15016178_10153883602812382_8221147785176

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2 minutes ago, powderfreak said:

Probably a safe bet...having a good run last night into this morning.

Bottomed out at 20F at the summit (still 21F) and 26F at the base.

 

Cool, that’s great to see.  I hadn’t checked as to whether this was just one of those inversion mornings with warmer weather up high, but obviously the mountains were nice and cold.

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To get an idea of where snowfall stands with respect to average at our site throughout the season, I’ve been using my data to create cumulative snowfall totals for each day of each season, and then I run the statistics on those.  It takes some time to go from my daily observations into the daily cumulative format, so I’ve sort of filled in days along the way as the occasions arose to check on a season’s snowfall status.  I hadn’t really taken the time to fill out the very early season (October/November) data, since those numbers are relatively small, quite variable, and not all that important.  But, I’ve got a decade’s worth of data now to start smoothing things out, and with the way this season’s October snows fell right in line near the averages, I figured I would finish off those numbers and see what they indicated.

 

The cumulative snowfall numbers begin to trickle out of the noise and hit a tenth of an inch around mid-October, and increase at roughly a tenth of an inch per day through the end of the month.  They actually sort of stagnate for the first third of November, increasing by only 0.3” during that whole period, and then move up to ~0.2” per day for the middle third of the month.  Not surprisingly, the final third of the month shows a dramatic jump in daily snowfall, with an average of ~0.75” per day.  Relatively speaking, that’s actually a pretty impressive daily snowfall rate because it isn’t all that different from December’s daily rate (especially with the way December snowfall has been slow around here in recent years).

 

Anyway, taking a snapshot after the first third of November, things are quite typical and we’re just 0.1” ahead of average snowfall for the date.  I suspect we’ll probably fall behind soon based on the upcoming forecast, but it also doesn’t take much to jump forward at this part of the season.

 

November data plot below:

 

10NOV16A.jpg

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24 minutes ago, powderfreak said:

lol nice snow shower here in town right now.

I find you and I seem to see very similar weather, haha.  I come in to post we are over to snow and sure enough you've got some too.  

Yeah surprisingly so. I though the orientation of the range was such that we needed different wind direction for upslope, but it seems fairly similar overall. Seems to have stopped now, just a few occasional flakes - but man it's getting cold. 34/28 and windy. Can't wait for real winter though... :)

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24 minutes ago, powderfreak said:

Little upslope response behind the front to put some mood flakes in the air.

 

I didn’t even think to look until I saw you guys chatting about the snow, but I check the web cam and there were indeed flakes flying with even a bit of transient whitening on the deck.  The temperatures must be getting down there if the snow’s starting to accumulate at the low rates I saw on the cam.

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29 minutes ago, alex said:

It's very pellet-y. At times it's almost like hail. Seems to be getting more flaky now, but the intensity varies rapidly from a few flakes to pounding pellets

Same here...when it's light it's flakes.  The cores of 30-35dbz on composite radar are just pounding graupel.  But that's when the best minor accums hit.  Easy to get a tenth of an inch in those graupel squalls....which then melt down as the squall moves on.

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41 minutes ago, alex said:

It is bitter out there. I think my PWS is stuck or something. Says 33 and the driveway is a sheet of ice, and there are icicles on the pine tree under the garage roofline. Just some light flurries, but it feels very wintery

33F sounds right. Everyone is well mixed so it should be your typical temp drop with height and latitude. 

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Hmm... but at 33F I have a frozen driveway, icicles on trees, and a bucket of water that's frozen over. Doesn't that defy laws of physics, considering there's no radiational cooling going on right now? 

17 minutes ago, dendrite said:

33F sounds right. Everyone is well mixed so it should be your typical temp drop with height and latitude. 

 

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17 hours ago, alex said:

Hmm... but at 33F I have a frozen driveway, icicles on trees, and a bucket of water that's frozen over. Doesn't that defy laws of physics, considering there's no radiational cooling going on right now? 

 

Eh...everyone around you was at the same temp...32-33. Even with wind the sfc is reradiating heat out to space on a clear night. The difference is 2m stays mixed with the wind so the cold doesn't conductively build up high enough. So yeah...your driveway can be icy at 33F with clear skies and wind. 

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26 minutes ago, dendrite said:

Eh...everyone around you was at the same temp...32-33. Even with wind the sfc is reradiating heat out to space on a clear night. The difference is 2m stays mixed with the wind so the cold doesn't conductively build up high enough. So yeah...your driveway can be icy at 33F with clear skies and wind. 

Plus a little evapo cooling with that wind over the moisture.

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I just realized I wrote the post the other day but never posted it.  Also I can now add that I took the drone up for a "super moon"  picture.  I kind of think the whole super moon thing is overblown.  Can anyone tell the difference?  It the digital age of photo manipulation most of the shots on the internet with these huge moon pictures are either taken with a telephoto lens or altered.  Either way my drone shot is below.  That is looking east over my house.  The lake on the left is Squam and you are looking at the Ossipee Range further right.  If I was higher Lake Winnapeasakee Would be in the picture middle right.

 

 

Last night I made the first nightime time lapse with my cam.  I have never done that.  We rarely see nightime videos.  Atmosphere is more stable I guess with orographic influences perhaps more pronounced.  NW wind blowing the length of Newfound Lake seems to create a near permanent cloud downwind that lasted for hours.  Skies finally clear and the moon sets.  Fun to watch the planets move across the sky.  I will have to try one on a clear moonless night to see if I can capture more stars.

https://video.nest.com/clip/38d4d1d26b3b461987aeb4a0b4c74603.mp4

 

moon 2.jpg

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I just checked my long term Accuweather forecast for Norwich.  They have us getting about 6 inches between January 13 and 14.  Surprised there is no thread yet:

http://www.accuweather.com/en/us/norwich-vt/05055/daily-weather-forecast/2184867?day=63

 

On the sad note that is the only day of heavy snow that shows up for here on that sad 90 day forecast.  May as well lock it in and cancel winter.

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19 minutes ago, klw said:

I just checked my long term Accuweather forecast for Norwich.  They have us getting about 6 inches between January 13 and 14.  Surprised there is no thread yet:

http://www.accuweather.com/en/us/norwich-vt/05055/daily-weather-forecast/2184867?day=63

 

On the sad note that is the only day of heavy snow that shows up for here on that sad 90 day forecast.  May as well lock it in and cancel winter.

Looks like a long duration event for PWM, like 9.5" followed by wintry mix and ice.

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1 hour ago, wxeyeNH said:

I just realized I wrote the post the other day but never posted it.  Also I can now add that I took the drone up for a "super moon"  picture.  I kind of think the whole super moon thing is overblown.  Can anyone tell the difference?  It the digital age of photo manipulation most of the shots on the internet with these huge moon pictures are either taken with a telephoto lens or altered.  Either way my drone shot is below.  That is looking east over my house.  The lake on the left is Squam and you are looking at the Ossipee Range further right.  If I was higher Lake Winnapeasakee Would be in the picture middle right.

 

 

Last night I made the first nightime time lapse with my cam.  I have never done that.  We rarely see nightime videos.  Atmosphere is more stable I guess with orographic influences perhaps more pronounced.  NW wind blowing the length of Newfound Lake seems to create a near permanent cloud downwind that lasted for hours.  Skies finally clear and the moon sets.  Fun to watch the planets move across the sky.  I will have to try one on a clear moonless night to see if I can capture more stars.

https://video.nest.com/clip/38d4d1d26b3b461987aeb4a0b4c74603.mp4

 

moon 2.jpg

Nice.

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