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December 5-6, 2020 Storm Observations and Nowcast


Baroclinic Zone
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probably takes some philosophical perspective ...which won't really be fun until 10 years have past .. but, if this had more cold, it may not have even happened...

It's not physically impossible that it may have caused the storm to behave differently altogether... like the baroclinic zone might have been displaced 100 mi S and E by a weightier cold, and then the low evolves on the right entrance aspects of the trough and then goes on up and hits D.E.M. ... 

I mean, we think of these things in terms of "if this had been cold enough" ... and I'm not sure it really works that way.. If we had a steeper colder air mass with this same mid troposphere trajectories, I'm not sure the low develops and so easily jumps to the inside of the wind max axis  - this dynamic core in interior mass with light rain in the Berk's speaks volumes in atmospheric dart throwing -

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Just now, HIPPYVALLEY said:

Congrats to all of those who got some decent accumulation. This ended up being a much narrower band of good snows then most models were presenting last night.

Some of the meso models nailed the lack of snow out this way.

Yes, whether anyone will admit it or not, this ended up as a narrow area of high impact where the best of the best dynamics were.

Not sure I’d call this storm a dud... but certainly underwhelming 

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Just now, TauntonBlizzard2013 said:

Yes, whether anyone will admit it or not, this ended up as a narrow area of high impact where the best of the best dynamics were.

Not sure I’d call this storm a dud... but certainly underwhelming 

Kudos to those who were downplaying the big time accums for many people that models were showing. Looking at the reports, the Northborough area only has a few inches? I would've thought for sure well over a half foot there, maybe double digits. And there are parts of inland NH that are raining? :lol: 

What a weird storm. I had some snow mix in from time to time in the CCB here on Long Island but obviously no accum. My T for the season so far lives on. 

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Checking back in:  Recent 3 hours max gusts at working ASOS's etc. 

KACK: Nantucket, Nantucket Memorial Airport, MA, United States [46kt, 24m/s]

KAUG: Augusta, Augusta State Airport, ME, United States [40kt, 21m/s]

KGHG: Marshfield, MA, United States [40kt, 21m/s]

KHYA: Hyannis, MA, United States [49kt, 25m/s]

KLGD: La Grande, OR, United States [40kt, 21m/s]

KMQE: East Milton, MA, United States [47kt, 24m/s]  (I saw a MQE 50 kt also...)

KMVY: Marthas Vineyard Airport, MA, United States [43kt, 22m/s]

KMWN: Mount Washington, NH, United States [44kt, 23m/s]

KPVC: Provincetown, MA, United States [49kt, 25m/s]

KPYM: Plymouth, MA, United States [49kt, 25m/s]

KRKD: Rockland / Knox, ME, United States [42kt, 22m/s]

KTTD: Portland, Portland-Troutdale Airport, OR, United States [42kt, 22m/s]

KUUU: Newport, Newport State Airport, RI, United States [42kt, 22m/s]

Power outages: overall as of ~545P, and then broken down by state.  Note: Wet snow the primary culprit but se MA has a fair amount from wind. 

 

Snow amounts so far look general 2-5" in the interior of SNE. 8" near BOW NH. 

Screen Shot 2020-12-05 at 6.06.07 PM.png

Screen Shot 2020-12-05 at 6.06.38 PM.png

Screen Shot 2020-12-05 at 6.06.57 PM.png

Screen Shot 2020-12-05 at 6.07.14 PM.png

Screen Shot 2020-12-05 at 6.10.09 PM.png

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4 minutes ago, TauntonBlizzard2013 said:

Yes, whether anyone will admit it or not, this ended up as a narrow area of high impact where the best of the best dynamics were.

Not sure I’d call this storm a dud... but certainly underwhelming 

It’s a garbage airmass. That’s why I was sort of meh.

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7 minutes ago, HIPPYVALLEY said:

Congrats to all of those who got some decent accumulation. This ended up being a much narrower band of good snows then most models were presenting last night.

Some of the meso models nailed the lack of snow out this way.

Ya - it seems totals dropped off substantially west of the Quabbin. 

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6 minutes ago, radarman said:

As long as your signal is not attenuated to extinction, the velocities are unaffected because those are derived from the phase not the power.

LOL I did try rerouting warp power through the secondary EPS conduits, but it turns out the thing was just physically jammed up and couldn’t spin. 

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4 minutes ago, wdrag said:

Checking back in:  Recent 3 hours max gusts at working ASOS's etc. 

KACK: Nantucket, Nantucket Memorial Airport, MA, United States [46kt, 24m/s]

KAUG: Augusta, Augusta State Airport, ME, United States [40kt, 21m/s]

KGHG: Marshfield, MA, United States [40kt, 21m/s]

KHYA: Hyannis, MA, United States [49kt, 25m/s]

KLGD: La Grande, OR, United States [40kt, 21m/s]

KMQE: East Milton, MA, United States [47kt, 24m/s]  (I saw a MQE 50 kt also...)

KMVY: Marthas Vineyard Airport, MA, United States [43kt, 22m/s]

KMWN: Mount Washington, NH, United States [44kt, 23m/s]

KPVC: Provincetown, MA, United States [49kt, 25m/s]

KPYM: Plymouth, MA, United States [49kt, 25m/s]

KRKD: Rockland / Knox, ME, United States [42kt, 22m/s]

KTTD: Portland, Portland-Troutdale Airport, OR, United States [42kt, 22m/s]

KUUU: Newport, Newport State Airport, RI, United States [42kt, 22m/s]

Power outages: overall as of ~545P, and then broken down by state.  Note: Wet snow the primary culprit but se MA has a fair amount from wind. 

 

Snow amounts so far look general 2-5" in the interior of SNE. 8" near BOW NH. 

Screen Shot 2020-12-05 at 6.06.07 PM.png

Screen Shot 2020-12-05 at 6.06.38 PM.png

Screen Shot 2020-12-05 at 6.06.57 PM.png

Screen Shot 2020-12-05 at 6.07.14 PM.png

Screen Shot 2020-12-05 at 6.10.09 PM.png

Walt . Interior elevated areas had 6-10” from Tolland County up thru ORH county 

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