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NNE Fall Thread


dryslot

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Sugarbush...beautiful.

 

1836641_10152857745578384_26454705883520

 

 

That's a gorgeous Sugarbush shot with the clouds and light on the new snow.

 

There's nothing to report in terms of accumulation down here in the Winooski Valley, and I'm not seeing any notable white in the lower (~1,000' or so) hills below around here, but the higher hills up around 2,000' are showing some white.  At Bolton Valley there's definitely a nice coating at the 2,000' level based on the image from the Bolton Valley Web Cam:

 

02NOV14A.jpg

 

It looks like the next opportunity for snow will be toward the end of the week.

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Peak wind from the north was only 31mph, but I am protected by trees in that direction.  Nice to see Cardigan 3120' snow capped.  I can see Ragged 2280' does not have snow but in the distance I can see Sunapee is snowcapped.  We had a bit of mix last night but not enough that I can say "first flakes".  Rainfall total was only .14"

 

Heavy falling oak leaves all day so now the forest is about totally bare except my apple trees which are curiously still green as is the grass.  Still no 32F for me but that will change in the next couple of hours.

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The next event of interest for us is late in the week into Saturday. Personally I think the synoptic part is certainly rain with this system, but the current tracks of the GFS and EURO (while very different) both result in an upslope snow threat following the low passage. Right now it's progressive so the snow potential is limited by upslope flow duration. BTV has a nice AFD explaining the potential:

A DEEPER/STRONGER MID-LEVEL TROUGH IS EXPECTED TO DIG INTO THE GREAT

LAKES AND OHIO VALLEY REGION ON THURSDAY...BEFORE SLOWLY LIFTING

NEWD ACROSS NY/NEW ENGLAND ON FRIDAY. THIS SYSTEM IS EXPECTED TO TAP

CONSIDERABLE MOISTURE FROM THE GULF OF MEXICO AND SWRN

ATLANTIC...RESULTING IN DEVELOPING RAIN ACROSS OUR REGION LATE IN

THE DAY THURSDAY...AND CONTINUING INTO THURSDAY NIGHT INTO EARLY

FRIDAY. IT/S WORTH NOTING THAT THE 12Z ECMWF SOLUTION IS

CONSIDERABLY TO THE EAST WITH SURFACE LOW DEVELOPMENT ACROSS LONG

ISLAND INTO SERN NEW ENGLAND DURING THURSDAY NIGHT. THE 12Z ECMWF

RESULTS IN COLDER VERTICAL TEMPERATURE PROFILES THAT WOULD YIELD A

MIX OF RAIN AND SNOW...ESPECIALLY AT HIGHER ELEVATIONS AND

ESPECIALLY ACROSS THE ADIRONDACKS FOR FRIDAY AND FRIDAY NIGHT. THIS

SOLUTION IS PRESENTLY A SIGNIFICANT DEPARTURE FROM THE GFS ENSEMBLE

AND THE 00Z NWP MODEL SUITE...BUT WE/LL CONTINUE TO MONITOR TRENDS

AND ASSOCIATED AFFECTS ON QPF AND PRECIPITATION TYPE.

BASED ON 12Z GFS RAINFALL AMOUNTS WITH THIS SYSTEM OF 1-1.5" ARE

POSSIBLE...AND HAVE ALREADY INDICATED POPS OF 65-75 PERCENT THURSDAY

NIGHT INTO EARLY FRIDAY. TEMPERATURES WILL GENERALLY BE IN THE UPR

40S TO LOWER 50S THU/FRIDAY...WITH LOWS REMAINING MILD THU NIGHT AS

WELL (UPR 30S TO LOWER 40S).

PRECIPITATION WILL TAPER OFF TO SHOWERS FRIDAY AFTERNOON. IT DOES

APPEAR THAT THERE WILL BE SOME UPSLOPE SNOW POTENTIAL IN DEVELOPING

NW FLOW AS LOW DEPARTS FRIDAY NIGHT INTO SATURDAY MORNING. WE/LL

HAVE TO SEE HOW THE SYSTEM EVOLVES...BUT THE 12Z GFS SUGGESTS

SEVERAL INCHES ARE POSSIBLE ACROSS THE NRN ADIRONDACKS AND CENTRAL

TO NORTHERN GREEN MTNS.

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The next event of interest for us is late in the week into Saturday. Personally I think the synoptic part is certainly rain with this system, but the current tracks of the GFS and EURO (while very different) both result in an upslope snow threat following the low passage. Right now it's progressive so the snow potential is limited by upslope flow duration. BTV has a nice AFD explaining the potential:

A DEEPER/STRONGER MID-LEVEL TROUGH IS EXPECTED TO DIG INTO THE GREAT

LAKES AND OHIO VALLEY REGION ON THURSDAY...BEFORE SLOWLY LIFTING

NEWD ACROSS NY/NEW ENGLAND ON FRIDAY. THIS SYSTEM IS EXPECTED TO TAP

CONSIDERABLE MOISTURE FROM THE GULF OF MEXICO AND SWRN

ATLANTIC...RESULTING IN DEVELOPING RAIN ACROSS OUR REGION LATE IN

THE DAY THURSDAY...AND CONTINUING INTO THURSDAY NIGHT INTO EARLY

FRIDAY. IT/S WORTH NOTING THAT THE 12Z ECMWF SOLUTION IS

CONSIDERABLY TO THE EAST WITH SURFACE LOW DEVELOPMENT ACROSS LONG

ISLAND INTO SERN NEW ENGLAND DURING THURSDAY NIGHT. THE 12Z ECMWF

RESULTS IN COLDER VERTICAL TEMPERATURE PROFILES THAT WOULD YIELD A

MIX OF RAIN AND SNOW...ESPECIALLY AT HIGHER ELEVATIONS AND

ESPECIALLY ACROSS THE ADIRONDACKS FOR FRIDAY AND FRIDAY NIGHT. THIS

SOLUTION IS PRESENTLY A SIGNIFICANT DEPARTURE FROM THE GFS ENSEMBLE

AND THE 00Z NWP MODEL SUITE...BUT WE/LL CONTINUE TO MONITOR TRENDS

AND ASSOCIATED AFFECTS ON QPF AND PRECIPITATION TYPE.

BASED ON 12Z GFS RAINFALL AMOUNTS WITH THIS SYSTEM OF 1-1.5" ARE

POSSIBLE...AND HAVE ALREADY INDICATED POPS OF 65-75 PERCENT THURSDAY

NIGHT INTO EARLY FRIDAY. TEMPERATURES WILL GENERALLY BE IN THE UPR

40S TO LOWER 50S THU/FRIDAY...WITH LOWS REMAINING MILD THU NIGHT AS

WELL (UPR 30S TO LOWER 40S).

PRECIPITATION WILL TAPER OFF TO SHOWERS FRIDAY AFTERNOON. IT DOES

APPEAR THAT THERE WILL BE SOME UPSLOPE SNOW POTENTIAL IN DEVELOPING

NW FLOW AS LOW DEPARTS FRIDAY NIGHT INTO SATURDAY MORNING. WE/LL

HAVE TO SEE HOW THE SYSTEM EVOLVES...BUT THE 12Z GFS SUGGESTS

SEVERAL INCHES ARE POSSIBLE ACROSS THE NRN ADIRONDACKS AND CENTRAL

TO NORTHERN GREEN MTNS.

I was just about to post about this. The euro looks somewhat promising. I am always up for an upslope chase.

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Mansfield snow depth from this system went from 0" to 3"... 1.4" of snowfall found it's way into the precipitation can, resulting in 3" of snow depth.

 

I doubt this is the start of any permanent snow cover though given the forecast temps this week.

 

Agreed; I don’t think that amount of snow would persist through the upcoming days.  However, by the end of the week we'll certainly be getting close to the mean start date for the Mansfield snowpack (11/16) as I calculated for that post from a couple of weeks back.  Heck, we're already in the window of 1 S.D. (approximately 11/2 – 11/30) for the snowpack start date now, so anything from here on out would be pretty common.  With the way the pattern looks, if an event comes through in the next week or so that puts down an inch or two of liquid as snow or other frozen precipitation, that certainly could persist.

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I took this photo on Friday.

 

I have no idea what cultivar of acer rubrum this is, but it's been commonly planted locally in new developments over the past 10 years.   For a maple, they're always bizarrely late to peak, even later than oaks.  They're always spectacular.

 

attachicon.gifDSCN0042.JPG

 

There's one like that on Sand Hill (Northern Avenue) in Augusta.  It was at peak week before last but still had 75% of its leaves this past Friday - much fewer today after 3-4" paste plus gales.  In 2005, the worst year for colors in my memory, it was the only tree I saw with decent reds (which peaked about Nov 1) and its reds were better than merely "decent."

 

Only 0.5" at my place.  We missed a couple inches Saturday by 3-4F, then miseed yesterday by 20+ miles.  Too early in the season to be disappointed, though.  Also concerned about access for our green certification audit tlomorrow thru Thurs.  One targeted timber harvest site lies 5 miles east from (and about 400' higher than) Topsfield's 15.8" obs, several others from just north of BGR to Grand Lake Stream probably got a foot or more.  Only the Cutler harvests seem safe.  Wash Cty points on/seaward of Route 1 reporting 1-4"

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Huge temp bust last night....MOS had teens and low 20s in most spots...like 14-16F at BML and HIE, with 17-19F at MVL. Not even close.

attachicon.gifimage.jpg

 

Yeah couldn't even get below 34F here lol.

 

MAV for SLK had 9F a couple of days ago and 11F when I was doing the package Sunday afternoon. What a FAIL, low was 24F.

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The Euro looks like crap this afternoon with the end of the week system way too far inland. If it keeps trending that way we could end up with a lakes cutter LOL.

That one was always going to be a rainer. Only chance for snow has been upslope after the fact.

The follow up system in Sun/Mon/Tues timeframe has potential.

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