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Upstate/Eastern New York-Into Winter!


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1 hour ago, TugHillMatt said:

12Z runs are looking very interesting for tonight into tomorrow. WNW-NWly band cutting across Onondaga county. As usual, the drop-off is super sharp. Some runs are showing 6 to 10 inches for sections of the county. In general, my area is looking in the 3 to 6 inch range. If the models' bias of showing bands a little too far south ends up happening, then I could be golden.

Obviously can't take those numbers at face value, especially considering meso guidance is showing temperatures above freezing throughout the night..Kuchera is about half of those 10-1 maps.. Either way you have your first shot at a light accumulation..

Kbgm from this morning..

 

StormTotalSnowWeb (4).jpg

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49 minutes ago, wolfie09 said:

Obviously can't take those numbers at face value, especially considering meso guidance is showing temperatures above freezing throughout the night..Kuchera is about half of those 10-1 maps.. Either way you have your first shot at a light accumulation..

Kbgm from this morning..

 

StormTotalSnowWeb (4).jpg

Oh, I definitely am not expecting that much. That would definitely lead to huge disappointment. I have remember to keep expectations exceptionally low.

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Overnight the Georgian Bay connection will migrate to southeast of
Lake Ontario, with high-res guidance suggesting a dominant band will
develop over Wayne/Cayuga County and extend into the Syracuse area.
Temperatures are still marginal for accumulation across lower
elevations, but if the precipitation rate intensifies enough in this
dominant band there may be 1-2 inches of slushy accumulation. This
lake effect band will persist through Tuesday afternoon, drifting
slowly east/northeast into Oswego County. Warming boundary layer
temperatures will allow rain to mix in by Tuesday afternoon, likely
ending any snow accumulation.
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While we def are looking at the storm for the start of Tgiving week and hoping for wintry weather. There are more implications to the overall pattern than meets the eye. Whether it's rain or snow, or no storm, we need that deep trough that neg tilts to materialize. That trough is a good representation of a cyclonic wavebreak that fuels the development of the -nao mid to late tgivng week.

First frame we can see the deep trough starting to neg tilt. Can also see the ridge building out ahead of the neg tilt trough

gfs-deterministic-namer-pres_2pvu-7636400.thumb.png.4742b7215f09e0b00eca161cd0a416e6.png

neg tilts some more, more ridging building up into southeast Canada

gfs-deterministic-namer-pres_2pvu-7690400.thumb.png.2591e724bf9dfdd431ed360895a96cba.png

finally, cylconic wavebreak completed. Note the massive ridge built into Davis straits

gfs-deterministic-namer-pres_2pvu-7787600.thumb.png.663eaae4578273605b4100f53a2c14e1.png

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1 hour ago, tombo82685 said:

While we def are looking at the storm for the start of Tgiving week and hoping for wintry weather. There are more implications to the overall pattern than meets the eye. Whether it's rain or snow, or no storm, we need that deep trough that neg tilts to materialize. That trough is a good representation of a cyclonic wavebreak that fuels the development of the -nao mid to late tgivng week.

First frame we can see the deep trough starting to neg tilt. Can also see the ridge building out ahead of the neg tilt trough

gfs-deterministic-namer-pres_2pvu-7636400.thumb.png.4742b7215f09e0b00eca161cd0a416e6.png

neg tilts some more, more ridging building up into southeast Canada

gfs-deterministic-namer-pres_2pvu-7690400.thumb.png.2591e724bf9dfdd431ed360895a96cba.png

finally, cylconic wavebreak completed. Note the massive ridge built into Davis straits

gfs-deterministic-namer-pres_2pvu-7787600.thumb.png.663eaae4578273605b4100f53a2c14e1.png

Why would you look at dynamic tropopause pressure as opposed to say 500 mb?

Thanks.

Really enjoying your posts.

 

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25 minutes ago, cny rider said:

Why would you look at dynamic tropopause pressure as opposed to say 500 mb?

Thanks.

Really enjoying your posts.

 

I mean you could use h5 too. Just thought the dynamic tropopause showed it rather well with the heat transfer from the cyclonic wave break being pushed into Greenland well. 

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