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Snow Event 1/15-1/16


Mr Torchey

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Huge + departure today. Nighttime mins will be really impressive too - maybe some +25F? Don't even mention tomorrow...torch-down!

Incredible really.

Oysters.

It's almost over Phil, for the first time in 23 months real winter weather is finally on the doorstep! I really think there is potential here hopefully luck is on our side for a change! Oysters in the r months are indeed the best.
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never a bad thing having a polar front draped south of long island........potential here folks.

 

Yeah I don't know if we'll be able to get anything. It's a pretty low potential. I'd like to see the NAM come in with something outrageous - but even the normally amped up operational models are pretty meh.

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Stay the course!!

 

 


Next Wintry Threat Coming Into View

Our little mixed precipitation event for next Tuesday has moved out of model fantasy range into the 5-day forecast realm. It’s not a storm that has me sitting at the edge of my seat but after an impressive streak of above normal temperatures it will be a notable snap back to reality.

It does look like enough cold air will be available for a little surge of moisture coming up from the southeast to produce a wintry mix. Too early to pin down how much but I wouldn’t be surprised to see a modest coating of snow followed by some sleet and freezing rain especially inland.

…Meteorological Discussion…

screen-shot-2013-01-10-at-4-12-27-pm1.pn

12z op GFS SLP and 1000-500mb thickness / 144 hour forecast (Valid 12z Wednesday)

The GFS is on the slow and warm side of guidance with a weak front washing out over southern New England on Monday and another surge of moisture coming north for Tuesday night and Wednesday morning. All of this is ahead of an impressive trough/polar vortex diving south out of the Canadian Prairies toward to the Great Lakes.

The GFS is a mild solution with any frozen precipitation transitioning to rain. Weak cold air damming in New England thanks to a modest 1028-ish mb high over the Maritimes/New Brunswick would slow the surface 32F isotherm’s retreat north.

Most GEFS members are much chillier and farther south with the boundary. The op Euro is as well (and also much faster!). Here’s the op Euro from 12z.

screen-shot-2013-01-10-at-4-16-21-pm.png

12z Euro SLP and 1000-500mb thickness / Valid 12z Tuesday

The Euro is much flatter with the approaching trough/polar vortex upstream over Canada and the great lakes. This means a less amplified downstream ridge and the ability for the initial boundary on Monday to slide south a bit and not wash out so soon.

Even though the Euro is the more “wintry” solution for us it is actually the more reasonable/less extreme synoptic setup. The op GFS seems to be a bit too bullish dropping the PV due south into the Great Lakes with sub-480 1000-500mb thicknesses over Lake Superior at 144 hours.

As usual, when the op GFS and op Euro disagree, any the op GFS only has marginal ensemble support it’s time to embrace our friends overseas at ECMWF.

Cold and snow chances will be increasing over the last 2 weeks of January. More on that coming soon!

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