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Big Snow Threat Disco Jan2/3


Damage In Tolland

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Polar Vortex trends to the southwest of previous 12z run position as 18z run progresses.  I think this is the risk we run with a semi block developing over Greenland and Davis Strait.  I don't know how anyone can deny that a block develops in this timeframe.  It may be rather weak, but its there regardless.  That's why the GFS is a mess of a run with many shortwaves getting in the mix, one from the arctic and northern stream and southern stream gets crushed underneath the northern and arctic jet streams phasing.

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The thng is even if we got a carbon copy little farts here and there might render a rather different solution vs 93-94. So if it happened you'd be cold and snowy but BOS might get 65 vs 96.

Right that's a good point. But when you throw analogs around, some of the more inexperienced enthusiasts might assume we get a similar weather pattern. There is a reason why we got buried. We have had similar patterns before, but that was perfect.

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The thng is even if we got a carbon copy little farts here and there might render a rather different solution vs 93-94. So if it happened you'd be cold and snowy but BOS might get 65 vs 96.

you bring up 94 every year

Because there is almost always a period of that pattern in every winter. The difference most times is that one lasted 2-3 months.

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The energy blasting SE through WRN Canada and flattening the western ridge scares me a bit, it may be the only thing that prevents this from becoming a a really major event because the ridge out west will be just de-amplified enough to prevent this sucker from really digging.  I was just posting in the NYC thread this is a classic example of a storm that has no chance with a +NAO because that 50/50 feature or vortex in ERN Canada is the only thing that stops the disturbance at 500mb in WRN-CNTRL canada from completely sending the entire eastern trof offshore.

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The energy blasting SE through WRN Canada and flattening the western ridge scares me a bit, it may be the only thing that prevents this from becoming a a really major event because the ridge out west will be just de-amplified enough to prevent this sucker from really digging. I was just posting in the NYC thread this is a classic example of a storm that has no chance with a +NAO because that 50/50 feature or vortex in ERN Canada is the only thing that stops the disturbance at 500mb in WRN-CNTRL canada from completely sending the entire eastern trof offshore.

It's certainly not textbook by any means and reason to give pause. But it does have that PV in a good spot which aids in dropping a s/w at the tail end and a big ridge out west. So while the concern for a more seaward solution is there, at least it's not a crackhead solution where we have no idea why models are doing what they are doing.

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If the Euro verifed we would get clobbered. I wish winds were higher though. This reminds me of the March 8th? event where we got widespread 15" with a firehose. Huge bust for many mets.

We would for sure. That is like textbook for significant snowfall here. That storm was awesome also, I got over 20 inches in each storm.

I hope it verifies, ensembles look pretty good so it makes you wonder. I thin this is how it started last year with the blizzard.

Euro came in big, and the others caved all the way to the event

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