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Korona Killer 3/23 Storm Obs


Ginx snewx
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VERMONT

...Addison County...
   Middlebury             9.0  1000 PM  3/23  Public
   1 SE Cornwall          8.8   700 AM  3/24  Co-Op Observer
   1 WNW Orwell           8.3   800 AM  3/24  CoCoRaHS
   2 NW Bridport          8.0   928 AM  3/24  Trained Spotter
   Bristol                8.0  1117 PM  3/23  Public
   Lincoln                8.0   920 PM  3/23  Public
   Orwell                 8.0   930 PM  3/23  Public
   N Middlebury           7.8   500 AM  3/24  CoCoRaHS
   Vergennes              7.0   548 AM  3/24  Co-Op Observer
   Shoreham               7.0  1042 PM  3/23  Public
   1 WSW Bristol          6.6   900 PM  3/23  Public
   Ferrisburg             6.5   944 AM  3/24  Public
   Bridport               6.5   615 PM  3/23  Trained Spotter
   2 S Orwell             6.5   620 PM  3/23  Trained Spotter

...Caledonia County...
   St. Johnsbury         10.5   744 AM  3/24  Co-Op Observer
   3 SSE Glover          10.0   911 AM  3/24  Public
   Kirby                 10.0   230 AM  3/24  Public
   1 S St. Johnsbury      9.5  1020 PM  3/23  Co-Op Observer
   2 S Wheelock           9.4   800 AM  3/24  CoCoRaHS
   2 N Lyndonville        8.8   800 AM  3/24  CoCoRaHS
   1 W Lyndonville        8.5   920 AM  3/24  CoCoRaHS
   N Danville             8.5   800 AM  3/24  CoCoRaHS
   2 WNW Wells River      8.4   800 AM  3/24  CoCoRaHS
   Groton                 8.0   645 AM  3/24  Public
   Stannard               8.0   743 AM  3/24  At 1000 feet.
   2 NW Danville          7.0   830 AM  3/24  CoCoRaHS
   Lyndonville            6.5   950 PM  3/23  Public
   Sheffield              5.0   755 PM  3/23  Public
   1 W Lyndon Center      4.2   821 PM  3/23  Public

...Chittenden County...
   1 SSW Hinesburg        7.0   940 PM  3/23  Public
   Richmond               7.0   915 AM  3/24  650` elevation
   Charlotte              6.7   957 AM  3/24  Public
   1 NNE Hinesburg        6.3   721 PM  3/23  Trained Spotter
   1 S Essex Center       6.2   600 AM  3/24  NWS Employee
   South Burlington       6.0  1035 PM  3/23  Public
   1 NE South Burlingto   5.8   758 AM  3/24  NWS Office
   1 NNE Huntington       5.5   900 AM  3/24  CoCoRaHS
   1 SE Charlotte         5.5   630 PM  3/23  Other Federal
   1 E Nashville          5.4   645 AM  3/24  Co-Op Observer
   4 NNE Underhill        5.2   800 AM  3/24  CoCoRaHS
   2 NNW Williston        5.0   940 PM  3/23  NWS Employee
   1 ENE Essex Junction   5.0  1010 PM  3/23  NWS Employee
   Shelburne              4.5   700 PM  3/23  Public
   1 NNW Burlington       4.5  1015 PM  3/23  NWS Employee
   Jericho                4.5   700 PM  3/23  Public
   5 NNE Underhill        4.5   840 AM  3/24  CoCoRaHS
   Malletts Bay           4.5   718 AM  3/24  Public
   1 SW Essex Center      4.0   755 PM  3/23  Public
   Hinesburg              4.0   730 PM  3/23  Public
   2 SW Milton            3.8   800 PM  3/23  NWS Employee
   Essex Junction         3.0   720 PM  3/23  NWS Employee
   2 SSW Milton           3.0   700 PM  3/23  NWS Employee
   3 N Colchester         3.0   955 PM  3/23  Public

...Essex County...
   2 NNW Lunenburg        9.0   800 AM  3/24  CoCoRaHS
   4 WNW Maidstone        8.5  1030 PM  3/23  Public

...Franklin County...
   1 NNE Swanton          2.1   800 AM  3/24  CoCoRaHS
   Enosburg Falls         1.4   435 AM  3/24  Co-Op Observer

...Grand Isle County...
   Alburgh                3.0  1030 PM  3/23  Public

...Lamoille County...
   3 NE Hyde Park         6.5   845 AM  3/24  CoCoRaHS
   1 NW Stowe             6.3   900 PM  3/23  Public
   Hyde Park              6.0  1000 PM  3/23  Public
   3 N Smugglers Notch    6.0   730 AM  3/24  Co-Op Observer
   Johnson                6.0   523 AM  3/24  Public
   SW Stowe               6.0   830 AM  3/24  CoCoRaHS
   Morrisville            5.0   840 PM  3/23  Public

...Orange County...
   2 E Corinth Corners    9.1   700 AM  3/24  Co-Op Observer
   2 ESE Vershire         9.0   900 AM  3/24  CoCoRaHS
   2 ENE West Fairlee     9.0   821 AM  3/24  CoCoRaHS
   Union Village NEPP     8.6   700 AM  3/24  Co-Op Observer
   Williamstown           8.5   730 AM  3/24  Public
   2 ESE Thetford Cente   8.0  1000 PM  3/23  Public
   Chelsea                8.0   950 PM  3/23  Public
   Randolph Center        8.0  1040 PM  3/23  Public
   1 NW West Braintree    7.5   925 PM  3/23  Public
   Brookfield             7.5   945 PM  3/23  Public
   3 S Strafford          7.0   935 PM  3/23  Public
   Braintree              6.0   750 PM  3/23  Public
   1 W Randolph Center    5.0   700 PM  3/23  Public
   Tunbridge              3.7   600 PM  3/23  Public

...Orleans County...
   4 NNE Greensboro       8.8   730 AM  3/24  CoCoRaHS
   2 NNW Greensboro       7.9   800 AM  3/24  CoCoRaHS
   7 SE Morgan            7.9   800 AM  3/24  CoCoRaHS
   3 ENE Barton           6.5   800 AM  3/24  CoCoRaHS
   Newport                6.0   650 AM  3/24  Public
   Newport Center         3.3   943 AM  3/24  Public
   1 NE Newport           3.2   700 AM  3/24  Co-Op Observer
   1 WNW Westfield        3.0   815 AM  3/24  CoCoRaHS
   2 NW Derby Center      2.5   800 AM  3/24  CoCoRaHS

...Rutland County...
   Mt. Holly             10.0   726 AM  3/24  Public
   Benson                 9.0  1113 PM  3/23  Public
   1 SSE West Rutland     6.6   900 AM  3/24  CoCoRaHS
   2 ENE Fair Haven       6.5   820 AM  3/24  Public
   1 WNW Middletown Spr   6.4   800 AM  3/24  CoCoRaHS
   1 N Rutland            6.2   800 AM  3/24  CoCoRaHS
   Wallingford            6.2   942 AM  3/24  Public
   2 SSE Pittsford        6.0   745 PM  3/23  CoCoRaHS
   1 NNW South Wallingf   6.0   200 AM  3/24  Trained Spotter
   4 E Poultney           5.5   800 AM  3/24  CoCoRaHS
   Rutland                5.0   915 PM  3/23  Public
   2 S Danby Four Corne   4.5   752 PM  3/23  Public
   West Rutland           4.0   800 PM  3/23  Public

...Washington County...
   Calais                10.0   330 AM  3/24  Trained Spotter
   Worcester             10.0   550 AM  3/24  Public
   1 SSE Walden          10.0   935 PM  3/23  At 1640 ft. elevation
   Moretown               9.5   747 AM  3/24  Public
   2 W Worcester          9.2   700 AM  3/24  Co-Op Observer
   1 SW East Barre        9.0   918 AM  3/24  NWS Employee
   2 SE Waitsfield        9.0   800 AM  3/24  CoCoRaHS
   2 N Calais             9.0   730 AM  3/24  Trained Spotter
   5 E Moretown           9.0   800 AM  3/24  CoCoRaHS
   Waitsfield             9.0  1000 PM  3/23  Public
   3 W Putnamville        9.0   945 PM  3/23  Public
   4 WNW Waitsfield       8.9   900 AM  3/24  CoCoRaHS
   Middlesex              8.8  1108 PM  3/23  Public
   3 NW Waterbury         8.7   700 AM  3/24  CoCoRaHS
   4 ENE Cabot            8.5  1000 AM  3/24  CoCoRaHS
   2 SW East Calais       8.5   800 AM  3/24  CoCoRaHS
   2 N Northfield         8.5   800 AM  3/24  CoCoRaHS
   2 E Warren             8.4  1058 PM  3/23  Public
   Northfield             8.3  1045 PM  3/23  Public
   1 N Cabot              8.0   700 AM  3/24  At 1100 feet.
   1 ESE Plainfield       8.0   700 AM  3/24  Co-Op Observer
   2 NNE Waterbury Cent   7.5   805 AM  3/24  Trained Spotter
   1 ESE Montpelier       7.5   903 PM  3/23  Public
   4 ESE Marshfield       7.5  1035 PM  3/23  Trained Spotter
   3 NNW Woodbury         7.3   800 AM  3/24  CoCoRaHS
   East Montpelier        7.0   955 PM  3/23  Public
   1 NW Calais            5.5   705 PM  3/23  Trained Spotter

...Windsor County...
   2 NE Rochester        11.5   800 AM  3/24  CoCoRaHS
   Quechee               11.0  1035 PM  3/23  Public
   Pomfret               10.5   739 AM  3/24  Public
   1 E Woodstock         10.0   800 AM  3/24  Co-Op Observer
   3 N Pomfret            9.8   800 AM  3/24  CoCoRaHS
   1 SE West Norwich      9.6   734 AM  3/24  At 1240 feet.
   Norwich                9.3   930 PM  3/23  At 1200ft elevation.
   1 N Quechee            9.0   800 AM  3/24  CoCoRaHS
   NNE Proctorsville      9.0   800 AM  3/24  CoCoRaHS
   1 SW Hartland          9.0   800 AM  3/24  CoCoRaHS
   3 SSW Strafford        9.0   916 AM  3/24  Public
   3 S Ludlow             8.5   900 AM  3/24  CoCoRaHS
   1 NNE North Hartland   7.9   700 AM  3/24  Co-Op Observer
   Ludlow                 7.0   925 PM  3/23  Public
   Weston                 6.5  1020 PM  3/23  Public
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3 hours ago, tamarack said:

10.3" from 0.83" LE, ratio 12.4 was about 50% above what was being discussed.  Snow was just packy enough to sail a long way without clogging the chute.  21" at the stake, tied for season's tallest though by my 9 PM obs it will probably be 16-18.  1st warning-criteria overperformer (forecast was 4-7) since March 2018.  The 12 events between the 2 overperformers had 5 verify and 7 underperform.  Biggest spring snowfall since 2011.

you're still pretty buried.

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4 hours ago, Lava Rock said:

you're still pretty buried.

Back 10-12 days when March temps were running +7 or more, I figured this would be one of the less common years when our snow cover failed to persist into April.  Would need some 70s or a flooding warm rain for it to go that quickly now.  Before this storm the pack was more than 50% liquid equivalent, much of it gray ice rather than ripe snow, so pretty durable.

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7 hours ago, tamarack said:

10.3" from 0.83" LE, ratio 12.4 was about 50% above what was being discussed.  Snow was just packy enough to sail a long way without clogging the chute.  21" at the stake, tied for season's tallest though by my 9 PM obs it will probably be 16-18.  1st warning-criteria overperformer (forecast was 4-7) since March 2018.  The 12 events between the 2 overperformers had 5 verify and 7 underperform.  Biggest spring snowfall since 2011.

Totals here were 8.7” snow from 0.70” L.E., which at least in terms of snowfall was definitely above the initial NWS forecast.  I didn’t run the snow thrower though – even in midwinter this would have potentially been borderline for a clearing depending on how packed the snow on the driveway was below it.  In this case the driveway was essentially clear of snow to begin with, so this is just serving as a new base layer – and its’ nearing the end of March now, so it’s eventually going to melt.

I took a look backward in my data for spring storms, and the one of significance I hit first was from last year on 3/21 to 3/23.  I guess that one is sort of on the border for actually being in spring.  Data for that one was 12.5” from 1.99 L.E., so obviously a lot more potent and dense with respect to snowfall, and I see it brought 2 to 3 feet of snow to the local mountains.

This recent storm has certainly helped with respect to seasonal snowfall, but we’re still about 14 inches behind average pace due to the lackluster snowfall for much of the month.  Average snowfall from this point on is about 10 inches here at our site.  We’d need about double that to really get close in to average snowfall, but even if we stop at this point, the season would only be ~0.6 S.D. below the mean.

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15 minutes ago, J.Spin said:

Totals here were 8.7” snow from 0.70” L.E., which at least in terms of snowfall was definitely above the initial NWS forecast.  I didn’t run the snow thrower though – even in midwinter this would have potentially been borderline for a clearing depending on how packed the snow on the driveway was below it.  In this case the driveway was essentially clear of snow to begin with, so this is just serving as a new base layer – and its’ nearing the end of March now, so it’s eventually going to melt.

Not an option for my 2WD Ranger and the small hill to get up the driveway.  Unfortunately, starting from bare ground meant tossing some of the gravel into the lawn, just like in November.

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8 hours ago, tamarack said:

10.3" from 0.83" LE, ratio 12.4 was about 50% above what was being discussed.  Snow was just packy enough to sail a long way without clogging the chute.  21" at the stake, tied for season's tallest though by my 9 PM obs it will probably be 16-18.  1st warning-criteria overperformer (forecast was 4-7) since March 2018.  The 12 events between the 2 overperformers had 5 verify and 7 underperform.  Biggest spring snowfall since 2011.

Wow congrats

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https://easternmassweather.blogspot.com/2020/03/monday-night-verification.html

 

The forecast for the event ending early this morning was nearly flawless, however, the topographical influences across western New England were not accentuated enough. Thus snowfall around Bristol and Canton, CT was under forecast. The balance of the region verified exceedingly well, as this was one of the better efforts of the season.

 

Final Grade: A

https://easternmassweather.blogspot.com/…/monday-night-veri…

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1 hour ago, 40/70 Benchmark said:

https://easternmassweather.blogspot.com/2020/03/monday-night-verification.html

 

The forecast for the event ending early this morning was nearly flawless, however, the topographical influences across western New England were not accentuated enough. Thus snowfall around Bristol and Canton, CT was under forecast. The balance of the region verified exceedingly well, as this was one of the better efforts of the season.

https://easternmassweather.blogspot.com/…/monday-night-veri…

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No photo description available.

I see that higher amount in the Brimfield, Wales are which is a higher elevation. Elevation definitely played a role out this way.

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4 hours ago, 40/70 Benchmark said:

https://easternmassweather.blogspot.com/2020/03/monday-night-verification.html

 

The forecast for the event ending early this morning was nearly flawless, however, the topographical influences across western New England were not accentuated enough. Thus snowfall around Bristol and Canton, CT was under forecast. The balance of the region verified exceedingly well, as this was one of the better efforts of the season.

https://easternmassweather.blogspot.com/…/monday-night-veri…

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No photo description available.

WELL Done Ray!  I went to that 5.8" region last night.  There was only 3" left with the rain (So I MISSED the Snowfall), but to see 3" and Drift in the car was great.  

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4 hours ago, Ginx snewx said:

IMG_20200324_183415.jpg

And BTV’s final map, updated from this morning. 

This event was without a doubt pretty poorly forecast/modeled in NNE.  The GFS even 24 hours out had 1-3” pretty much all of NNE, lol.  Euro probably won this handily.  

Definitely a much more widespread 6-10” than one would’ve guessed before the event.

E5278DF8-1AB0-499B-8A40-BAA0818BD78B.png.014281584c484a35023996961ab6e055.png

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10 hours ago, powderfreak said:

And BTV’s final map, updated from this morning. 

This event was without a doubt pretty poorly forecast/modeled in NNE.  The GFS even 24 hours out had 1-3” pretty much all of NNE, lol.  Euro probably won this handily.  

Definitely a much more widespread 6-10” than one would’ve guessed before the event.

GFS bumped up qpf to 0.7-0.8" Monday afternoon, very close to what we got. (0.83" at my place)  It was the ratios that won the day - 10-13 to1 while AFDs were talking 6-8.  The exceedingly rare Route 2 jack, the area's snow shield temporarily incapacitated.  :weenie:

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