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Feb 8-10 Light snow event that i spent 10 days tracking


Ji

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The stratospheric PV split and epic anticyclonic wave break in the North Pacific make this the best East Canadian/NAO setup so far this year. In December, we came very close to this same thing happening but the strat wasn't as hospitable as it is now. It still led to a winter storm though.

 

Good expectations so far in this thread.

well that's a mistake I'll have to correct!

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Agree with everyone else's thinking that the first shortwave cannot be in a better spot for a HECS if it can amplify.  It actually resembles the setup last February 8th where models were unable to key in on the southern stream until very late in the game. This time H5 would be able to close off much further south and hit us with decent snow, not just New England.  

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I'm not extrapolating...I get 0.6" with a light snow appetizer on saturday....probably more like 6-8" for DC - Balt all snow...hook it up

It's a nice run but doesn't change much.  It's nice that it is sort of like the euro but wetter with the second wave.  I think that might make sense but I also could still see it amplifying and leaving you and I in a not so great place.  Still it's way better than seeing the GSF has a OH valley or Lakes storm.  If we can hold the confluence up to our north, we could do well.  At least today there wwas one nice analog. 

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hehe...nobody thinks we are getting a HECS...we'd be lucky to get a 3-6" storm...the chances of complete fail are I would say 100 times better than chances of a HECS

I understand your pessimism living so close to DCA.  Today's model runs have the look that many other HECSs have had 3 days out So I think there's a decent chance for one from Wilmington north. The Polar shortwave may wreck our chances, but if it can stay out of the way long enough, even DC will be in.

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Ninja'd. About to say the same thing. 18z GEFS look MILES better than 12z. Pretty good support for the Op.

And the few amped ones that do take a west track are becoming unlikely solutions. Not impossible of course but unlikely given the height patterns in front.

If you look at the 18z as a whole, the biggest worry is the trailing vort tracking overhead. That wouldn't end well but philly would add to their pretty epic year.

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18z finally shows a midatl storm and screws the NE. Book it. 

 

 

Here are the current odds I give this system in my totally subjective estimation based on my previous tracking experiences and flipping through KU.

 

MA Special    ~ 2/17/1979:  20%

Inland runner ~ 2/142007:  30%

NYC North  ~  2/8/1969:     30%

HECS          ~  3/4/1960:    30%

Out to sea    ~  CMC 12z  -10%   

ARW Cleveland  Superbomb: 0%

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Here are the current odds I give this system in my totally subjective estimation based on my previous tracking experiences and flipping through KU.

MA Special ~ 2/17/1979: 20%

Inland runner ~ 2/142007: 30%

NYC North ~ 2/8/1969: 30%

HECS ~ 3/4/1960: 30%

Out to sea ~ CMC 12z -10%

ARW Cleveland Superbomb: 0%

120% odds I see...

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Here are the current odds I give this system in my totally subjective estimation based on my previous tracking experiences and flipping through KU.

 

MA Special    ~ 2/17/1979:  20%

Inland runner ~ 2/142007:  30%

NYC North  ~  2/8/1969:     30%

HECS          ~  3/4/1960:    30%

Out to sea    ~  CMC 12z  -10%   

ARW Cleveland  Superbomb: 0%

Odds of PHL hitting jackpot? Probable.

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00z NAM looks bleh at 84, luckily I don't use the NAM. After looking over the SREF and yesterdays Euro I am indifferent about the lead shortwave. The Cold front is too far southwest for it to do much help.

 

The difference on the 21z sref is that most of the members that amp up the western ridge, look like they are going to extrapolate into a storm This setup is probably just a matter of getting the slightest amplification over Oregon  Friday night and it's dumping by Sunday. The multiple shortwaves ejecting are mostly a distraction.

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