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March 9-11, 2024 | Winter Storm Speculation


MaineJay

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Most places well above freezing but still a few holdouts

image.thumb.png.b99a54d1474e15e59e77888b59cbf4bb.png

KALB concerned with snow above 1500ft as those elevations should wetbulb down to freezing. 

Spoiler
EAR TERM /THROUGH TONIGHT/...
Winter Storm Warning in effect for the southern Adirondacks and
elevations above 1500 feet in the southern Green Mountains from
7 PM this evening through 8 PM Monday...

Winter Weather Advisory in effect for western Greene/western
Ulster Counties from 5 PM this evening until 11 AM EDT Sunday...

.UPDATE...Main change with this update was to speed up timing of
precip onset this afternoon by a few hours based on upstream obs
and the latest guidance. With southeast flow increasing,
temperatures have warmed into the upper 30s/lower 40s across
lower elevations, but only in the mid/upper 30s in the higher
terrain. With dewpoints mainly in the 20s, wetbulb effect
expected to cool temperatures sufficiently in most higher
terrain areas for snow as the main precip type especially for
elevations above 1500 ft.

.PREV DISCUSSION[0639]...Thickening clouds through mid
afternoon, with increasingly gusty southeast winds. Some gusts
could reach 30-40 mph across portions of the Taconics/southern
Greens, and also within the Capital Region late this morning
into this afternoon.

Precipitation overspreads the region from the west during the
mid to late afternoon hours. Significant wet bulb cooling should
allow elevations above 1500 feet to start as a rain/snow mix,
before changing to all snow around or after sunset. There could
even be a bit of wet snow mixed in at precipitation onset in
some lower elevations.

For elevations above 1500 feet, a period of heavy wet snow is
expected tonight, lasting longest across the SW Adirondacks and
elevations above 1500 feet in the southern Greens. In there
areas, snowfall rates of 1-2"/hour are possible, given the
abundant moisture transport, and strong, deep lift within the
dendritic growth zones. Slight warming aloft may allow these
areas to mix with/change to a period of freezing rain/sleet late
tonight before changing back to heavy snow before ending during
Sunday morning. Snowfall amounts of 6-12 inches are expected
for these areas, with locally higher amounts possible. The snow
consistency should be wet, and will be capable of downing tree
limbs/power lines, especially compounded by some icing and
strong gusty winds.

For elevations above 1500 feet across the eastern Catskills and
northern Berkshires, a shorter period of wet snow is expected
this evening, with 3-5" of snow accumulation expected for the
eastern Catskills, where a moist upslope wind component will
enhance snowfall, and 1-3" across northern Berkshire County.
Both areas could also mix with/change to sleet/freezing rain
after midnight with plain rain then possible Sunday morning
before precipitation tapers off.

For most valley areas (below 1500 feet), mainly rain is
expected tonight, some of which will be heavy at times. There
could be some wet snow mixed in early this evening, and perhaps
again before precipitation tapers off late Sunday morning. Will
have to watch areas of the Capital/Saratoga region and Mohawk
Valley, as some guidance suggests a brief burst of
moderate/heavy snow could occur Sunday morning.

Strong southeast winds will gust 30-40 mph tonight, perhaps
slightly stronger across the SW Adirondacks and southern VT.

 

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BTV bumped up their expected snow totals.  The spine of the Green Mountains and the Adirondacks are going to see some nice snow over the next 72 hours.

Quote

Expected Snowfall - Official NWS Forecast

 

Edited by TheRex
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26 minutes ago, TheRex said:

BTV bumped up their expected snow totals.  The spine of the Green Mountains and the Adirondacks are going to see some nice snow over the next 72 hours.

 

Gfs came around. Great track for BTV area

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On 3/5/2024 at 11:34 PM, RTC3-LAST CHANCE said:

Must say really rare that the cold enough to snow switch has been turned off so early and didn’t flip back some. Really thought we would have rough patch starting around 10th or so. Long range forecasters did nice job calling it. I didn’t believe it. Our Marches have below average for the most part it seems last several years. Not this one, geez. Shut out, and many great low tracks. Total lack of help up north. 

Canada was just wayyyy too warm this year. With the lack of a strong Aleutian low this year I thought for sure we would have a relaxing period in the second half of winter but it just doubled down with warmth. Excited to get thunderstorm season underway. Last time to watch would be around the equinox could get a sneaky system with the -NAO on the rise around then.

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Slow rise in temp around here now up to 45 from 42 when I first got in. Don't think we will get much above 50 today but we may have some sporadic elevated convection today as the front gets closer. Im down at BWI for dayside today had to cover a shift because boss is in Australia and we have no one else to cover, yay OT. 🫠

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BTV has issued a Winter Storm Warning for parts of their coverage area. They mention some could see as much as 24". 

Quote

URGENT - WINTER WEATHER MESSAGE
National Weather Service Burlington VT
252 PM EST Sat Mar 9 2024

NYZ027-029>031-034-VTZ006-008-010-016>020-101000-
/O.CON.KBTV.WS.W.0005.240310T0000Z-240312T0000Z/
Northern Franklin-Southeastern St. Lawrence-Southern Franklin-
Western Clinton-Western Essex-Lamoille-Washington-Orange-
Eastern Franklin-Eastern Chittenden-Eastern Addison-
Eastern Rutland-Western Windsor-
Including the cities of Fort Covington, Malone, South Colton,
Star Lake, Saranac Lake, Tupper Lake, Dannemora, Ellenburg,
Lake Placid, Newcomb, Johnson, Stowe, Montpelier, Waitsfield,
Bradford, Randolph, Enosburg Falls, Richford, Richmond,
Underhill, Bristol, Ripton, East Wallingford, Killington, Bethel,
and Ludlow
252 PM EST Sat Mar 9 2024

...WINTER STORM WARNING REMAINS IN EFFECT FROM 7 PM EST THIS
EVENING TO 8 PM EDT MONDAY...

* WHAT...Heavy wet snow expected. Total snow accumulations of 6 to
14 inches with localized total of 16 to 24 inches over the
central and northern Green Mountains. Localized southeast wind
gusts of 35 to 50 mph possible tonight.

* WHERE...Portions of northern New York and parts of central,
northern, and southern Vermont, including the Western Slopes.

* WHEN...From 7 PM EST this evening to 8 PM EDT Monday.

* IMPACTS...Scattered to numerous power outages could occur. Hazardous
travel conditions are most likely Sunday morning and Monday
morning.

* ADDITIONAL DETAILS...Snow will come in two rounds. A mix of snow
and rain will develop this evening, with a period of heavy, wet
snow overnight into Sunday morning. Snow tapers off midday
Sunday, before redeveloping and becoming moderate at times
along the Western Slopes and northern Adirondacks.

 

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4 hours ago, so_whats_happening said:

Canada was just wayyyy too warm this year. With the lack of a strong Aleutian low this year I thought for sure we would have a relaxing period in the second half of winter but it just doubled down with warmth. Excited to get thunderstorm season underway. Last time to watch would be around the equinox could get a sneaky system with the -NAO on the rise around then.

Great post bud. Canada sucked from the start, and yea there sure was thoughts of an Aleutian low helping things in the east this winter. The lack of that, or it not positioned properly is just a killer for for good snow pattern here. Too much to overcome. I keep going back to that growing warm pool thing.

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2 minutes ago, RTC3-LAST CHANCE said:

Great post bud. Canada sucked from the start, and yea there sure was thoughts of an Aleutian low helping things in the east this winter. The lack of that, or it not positioned properly is just a killer for for good snow pattern here. Too much to overcome. I keep going back to that growing warm pool thing.

image.png.bc7dc974eb118ff05c473176235dd91e.png

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Winter Weather Advisory is issued for my area. I don't expect much because I went out and cranked my snowblower yesterday because it hasn't been used since December 11. 

Quote
URGENT - WINTER WEATHER MESSAGE
National Weather Service Burlington VT
252 PM EST Sat Mar 9 2024

NYZ026-028-035-087-VTZ001>005-007-009-011-021-101000-
/O.CON.KBTV.WW.Y.0012.240310T0000Z-240312T0000Z/
Northern St. Lawrence-Eastern Clinton-Eastern Essex-
Southwestern St. Lawrence-Grand Isle-Western Franklin-Orleans-
Essex-Western Chittenden-Caledonia-Western Addison-
Western Rutland-Eastern Windsor-
Including the cities of Massena, Norfolk, Champlain, Plattsburgh,
Port Henry, Ticonderoga, Ogdensburg, Potsdam, Gouverneur,
Alburgh, South Hero, St. Albans, Swanton, Derby, Newport,
Island Pond, Lunenburg, Burlington, Shelburne, Hardwick,
St. Johnsbury, Middlebury, Vergennes, Fair Haven, Rutland,
Springfield, and White River Junction
252 PM EST Sat Mar 9 2024

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM EST THIS
EVENING TO 8 PM EDT MONDAY...

* WHAT...Wet snow expected. Total snow accumulations of 2 to 8
  inches. Localized southeast wind gusts of 35 to 50 mph possible
  tonight.

* WHERE...The Saint Lawrence and Champlain Valleys and parts of
  the lower Connecticut River Valleys, as well as portions of the
  Northeast Kingdom of Vermont.

* WHEN...From 7 PM EST this evening to 8 PM EDT Monday.

* IMPACTS...Isolated to scattered power outages could occur. The
  hazardous travel conditions are most likely Sunday morning and
  Monday morning.

* ADDITIONAL DETAILS...Snow will come in two rounds. A mix of snow
  and rain will develop this evening. There will likely be an
  interval of moderate, wet snow late tonight into Sunday morning.
  Snow levels rise on midday Sunday before falling again Sunday
  night.

 

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1 hour ago, jbrumberg said:

It just started to snow here.  I may see 1" - 4" of accumulated snow before it changes over to rain.

IMG_6235.MOV

StormTotalSnowWeb.jpg

What was your temp when it started?

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28 minutes ago, TheRex said:

What was your temp when it started?

@TheRex-  I should have posted the temperature with my previous post.  Doppler was showing snow all afternoon, but it was a virga situation.  It was ~35ºF when the first flakes started to fall, but the temperature dropped to the current 32ºF rather quickly.  Classic "wet bulbing."  It looks like I have 0.25" on the "snow board."

Edited by jbrumberg
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I swear i see some sleet pellets mixing in. Actually i do. At 41! Reminds me of the old days in March, when its a swing and a miss here, and then MJ would post his dogs playing in the snow the next day. That was pretty cool. This should help ski resorts way up there hang on 👍👍👍

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2 hours ago, StretchCT said:

Not the most convincing temp profile

image.thumb.png.0886053e697084d6d677505b3e0c811d.png

Snowing on Okemo Mt. Big fat flakes too. https://www.okemo.com/the-mountain/mountain-conditions/mountain-cams.aspximage.thumb.png.9cba25b1079894fee3cd5cd03ad1d329.png

The local maple sugaring evaporators were in full operation around here today.  Sap runs at night and during the day as temperatures dictate.   No real tree dormancy this year; we'll see.

 

 

 

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