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NNE Autumn 2013 Thread


MaineJayhawk

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You didn't measure anything else yet this season?

Anyway, nice with the 2.6"! I only had around 1.5" at 7am when I let the dog out. Now down to under an inch, haha.

Looks nice and white still though.

This is the first snow that lasted more than an hour. It was snowing pretty hard at 5:30. Waited until just before we left to measure.

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The following are unofficial observations taken during the past 12

hours for the storm that has been affecting our region. Appreciation

is extended to Highway departments... cooperative observers... Skywarn

spotters and media for these reports. This summary is also available

on our home Page at weather.Gov/gray

********************storm total snowfall********************

Location storm total time/date comments

snowfall of

/inches/ measurement

Maine

... Androscoggin County...

1 E Livermore Falls 0.8 700 am 11/10

Turner 0.5 700 am 11/10

5 NNW Greene 0.5 700 am 11/10

1 NW Auburn 0.1 821 am 11/10 sleet

... Cumberland County...

3 NE Naples 0.3 700 am 11/10

... Franklin County...

1 WNW Temple 0.6 600 am 11/10

Phillips 0.5 700 am 11/10

2 NW New Sharon 0.4 700 am 11/10

... Kennebec County...

3 SSE Wayne 0.3 630 am 11/10

... Oxford County...

Andover 2.0 700 am 11/10

West Paris 1.5 800 am 11/10

Greenwood 1.0 759 am 11/10

6 SSE Bethel 1.0 733 am 11/10

Paris 0.5 738 am 11/10

2 NE Oxford 0.3 700 am 11/10

... Somerset County...

WSW north new portla 0.4 700 am 11/10

12 N New Portland 0.3 700 am 11/10

North Anson 0.1 700 am 11/10

Long Falls dam 0.1 700 am 11/10

... York County...

3 NW Acton 0.3 500 am 11/10

New Hampshire

... Belknap County...

3 NE Tilton northfie 0.8 715 am 11/10

2 SW Belmont 0.5 700 am 11/10

Laconia 0.3 500 am 11/10

3 SSW Meredith 0.1 630 am 11/10

... Carroll County...

5 E Center Sandwich 1.8 700 am 11/10

Wolfeboro 1.5 738 am 11/10

North Conway 1.5 742 am 11/10

1 SSW North Conway 1.4 700 am 11/10

2 se Madison 1.2 700 am 11/10

Moultonborough 1.0 753 am 11/10

1 SW Wolfeboro 0.5 700 am 11/10

1 se East Wakefield 0.1 700 am 11/10

... Coos County...

Pittsburg 1.5 728 am 11/10

1 NE Randolph 1.5 700 am 11/10

6 NE Pittsburg 1.3 700 am 11/10

North Stratford 1.0 700 am 11/10

1 N Lancaster 0.6 600 am 11/10

4 ESE Berlin 0.5 700 am 11/10

... Grafton County...

Ellsworth 4.0 742 am 11/10

4 NNE Dorchester 4.0 700 am 11/10

1 NW Alexandria 3.0 700 am 11/10

2 NNE Plymouth 2.5 900 am 11/10

SSE Bristol 2.0 700 am 11/10

Holderness 2.0 743 am 11/10

Lincoln 2.0 743 am 11/10

Ashland 2.0 736 am 11/10

1 SSW Orford 0.8 700 am 11/10

Bath 3 0.7 831 am 11/10

... Merrimack County...

2 ESE Danbury 1.9 800 am 11/10

3 SSE South Sutton 1.0 700 am 11/10

3 E Northfield 0.8 633 am 11/10

SSW Pittsfield 0.2 800 am 11/09

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Absolutely dumping right now at 3500ft...almost a half inch in 15 minutes as that squall moved through. No idea how far down the snow flakes are making it though.

 

That would be about a 2" per hour rate up there :) I wish I had an easy way up to 3500 ft. Hiking the buttress up Mansfield would not be advisable :)

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Plymouth NH area continues to be the cold air damning king. I never got out of the 30's today but it is now 39f as of 6pm. I was just up in Plymouth. The ground is still completely snowcovered, especially in the west side of the town with temp of 35F. The plows must have been out this morning since most roads had been plowed. They must have gotten close to 4" on the west side of town given how much was on the ground around 5pm I lost my snowcover with brief sun during mid afternoon.

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Upslope crushing Mansfield on the county line...

 

November_10.gif

 

 

This was the view up there under those echos... pounding snow.   Just a 39F rain here in the valley but its been raining pretty steadily.

 

575769_10151685255777382_1604284859_n.jp

 

Mon 11/11 00Z 1.02 2825 94 88 -3 0.08

 

Great example of the Froude directly at the critical level, not favoring either side, heaviest right on the spine.

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Mon 11/11 00Z 1.02 2825 94 88 -3 0.08

 

Great example of the Froude directly at the critical level, not favoring either side, heaviest right on the spine.

 

Yeah, although it is raining pretty steadily here on RT 108... pretty much pouring out now (I'm like 1-2 miles west of the village marker on RT 108).

 

But it does look like right around 1 for Froude number is right as its sort of equally between west and east.

 

Really is too bad its not cold enough for snow down here.  I think we'll do ok QPF wise.  The upper elevations of the mountain though are going to get blasted tonight if this keeps up. 

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Sorry guys for posting so many radars... but Nittany, almost looks like the Froude number is lowering right now.  The sun went down, maybe some noturnal inversion or something pushing it a bit more to the west slopes? 

 

The last frame or two really blossomed the precip on the western slope.

 

November_10a.gif

 

 

The estimated Froude on BTV's site is 0.364 (which as you said use with caution although they are reporting a NW wind gusting to 25 on the summit).

 

It certainly does appear that way. Could be related to the frontal passage, as winds are already NW aloft, but still out of the south at BTV/PBG. So the low level flow is pretty weak, versus the model forecasted wind of 27 knots mean low level flow (Mon 11/11 00Z 1.19 2727 96 87 -3 0.08). The flow is supposed to pick up substantially following the front when all the flow goes W/NW, but it will be at the same time the frontal inversion gets going. So it'll be interesting. Might see it shift back to the spine following the front with the initial flow surge, and then back west again overnight as the inversion strengthens.

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It certainly does appear that way. Could be related to the frontal passage, as winds are already NW aloft, but still out of the south at BTV/PBG. So the low level flow is pretty weak, versus the model forecasted wind of 27 knots mean low level flow (Mon 11/11 00Z 1.19 2727 96 87 -3 0.08). The flow is supposed to pick up substantially following the front when all the flow goes W/NW, but it will be at the same time the frontal inversion gets going. So it'll be interesting. Might see it shift back to the spine following the front with the initial flow surge, and then back west again overnight as the inversion strengthens.

 

We need to get you an upslope expert tag or something (along with Powder). That is a very reasonable analysis and makes a lot of sense. As I said even with my red tag I have a lot to learn about the local weather around here and the impact of the terrain and microclimates.

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It certainly does appear that way. Could be related to the frontal passage, as winds are already NW aloft, but still out of the south at BTV/PBG. So the low level flow is pretty weak, versus the model forecasted wind of 27 knots mean low level flow (Mon 11/11 00Z 1.19 2727 96 87 -3 0.08). The flow is supposed to pick up substantially following the front when all the flow goes W/NW, but it will be at the same time the frontal inversion gets going. So it'll be interesting. Might see it shift back to the spine following the front with the initial flow surge, and then back west again overnight as the inversion strengthens.

 

Is that what that wind speed is....mean low level wind?  I assumed it was H85 speed and direction. 

 

Anyway, it is absolutely pouring out.  Why can't this be snow!?  This is a textbook upslope band that has developed this evening and it is wringing out every available molecule of water, lol.  If we were like 5-7F cooler through the column this would be pretty huge.  Really the radar this evening are classic upslope scans. 

 

November_10e.gif

 

 

I just went to check the stratus rain gauge and its up to 0.65" so far, includes about .2" worth of snow last night/this morning.  But that means I've picked up almost a half inch of rain so far this afternoon/evening.  I wonder how much liquid we'll pick up from this.  At the elevation where this is all snow... 2,000 or 2,500ft...this is probably adding up quickly at the summit.

 

Classic gradient on the precip amounts here on RT 108...decreasing as you head away from the mountain. 

 

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Is that what that wind speed is....mean low level wind?  I assumed it was H85 speed and direction. 

 

Anyway, it is absolutely pouring out.  Why can't this be snow!?  This is a textbook upslope band that has developed this evening and it is wringing out every available molecule of water, lol.  If we were like 5-7F cooler through the column this would be pretty huge.  Really the radar this evening are classic upslope scans. 

 

November_10e.gif

 

 

I just went to check the stratus rain gauge and its up to 0.65" so far, includes about .2" worth of snow last night/this morning.  But that means I've picked up almost a half inch of rain so far this afternoon/evening.  I wonder how much liquid we'll pick up from this.  At the elevation where this is all snow... 2,000 or 2,500ft...this is probably adding up quickly at the summit.

 

Classic gradient on the precip amounts here on RT 108...decreasing as you head away from the mountain. 

 

attachicon.gifprecip.jpg

Yeah that number is mean 925-850mb wind speed/direction.

 

It is a pretty classic upslope band! That map you posted highlights that the greatest amounts so far have occurred immediately on the spine and east as well (some probably from this morning). Although the western side may play some catchup later.

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We need to get you an upslope expert tag or something (along with Powder). That is a very reasonable analysis and makes a lot of sense. As I said even with my red tag I have a lot to learn about the local weather around here and the impact of the terrain and microclimates.

 

There’s this other tag I’ve seen on here, it’s an orange one with “Professional Forecaster” or something like that.  PF, I wonder if that one would apply to you.  Even if the resort pays for forecasts from a company, isn’t forecasting for the mountain part of your job as well?  In any event, your forecasting demeanor is much more like that of professional anyway (vs. some sort of “weenie” or “hype” or whatever the term is for the other side of the spectrum).

 

As far as what’s up with the current weather here at the house, it’s been pouring at times this evening, and the Bolton Valley Weather Station at 2,100’ is right around the freezing mark, so you know the mountains are getting blitzed with snow.  It should be a while before the snow line drops back down here though, as we’re still in the upper 30s F.

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Is that what that wind speed is....mean low level wind?  I assumed it was H85 speed and direction. 

 

Anyway, it is absolutely pouring out.  Why can't this be snow!?  This is a textbook upslope band that has developed this evening and it is wringing out every available molecule of water, lol.  If we were like 5-7F cooler through the column this would be pretty huge.  Really the radar this evening are classic upslope scans. 

 

November_10e.gif

 

 

I just went to check the stratus rain gauge and its up to 0.65" so far, includes about .2" worth of snow last night/this morning.  But that means I've picked up almost a half inch of rain so far this afternoon/evening.  I wonder how much liquid we'll pick up from this.  At the elevation where this is all snow... 2,000 or 2,500ft...this is probably adding up quickly at the summit.

 

Classic gradient on the precip amounts here on RT 108...decreasing as you head away from the mountain. 

 

attachicon.gifprecip.jpg

 

 

Good to see some upslope though, even if its rain this early in the season. Didn't have a whole lot of them last year if I recall correctly.

 

Freezing level per the regional mesonet is about ~2500 feet.

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