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January Pattern Discussion


NorthArlington101

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Days like today make me wish i hated weather and sports. The agony always outweighs the victory.

True but after the SB victory and all the players they lost because of their cap situation i was not expecting much. So the let down is much less than it usually is. Maybe by some grace of G-D the models will get better tomorrow and i can bump troll the heck out of Ian.

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True but after the SB victory and all the players they lost because of their cap situation i was not expecting much. So the let down is much less than it usually is. Maybe by some grace of G-D the models will get better tomorrow and i can bump troll the heck out of Ian.

Big off-season for us but I think we will be fine. Finishing 3rd will ease the schedule as well. On a weather note, The euro goes nuts with the arctic cold next week after the second storm.

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At this point, is it more a lack of cold air then we thought we previously had, or are we being dry slotted?

 

Or both?

The OH valley low warms us too much before the secondary. Though this Euro has a 992 near the Va capes.  Could be enough for the BWI to PHL folks on the backside as is at least for some mood flakes+... these things tend to get going in that corridor.  If it trended at all more it would be somewhat interesting.   I think it's probably overdone but who knows.

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At this point, is it more a lack of cold air then we thought we previously had, or are we being dry slotted?

 

Or both?

The storm is a "Miller-B" type storm.  This is a type of storm that develops once the upper-level energy in the atmosphere reaches the coast it initiates rapid development and then moves northward along the coast.  For these types of storms to give us precip, we need that upper level energy to pass to our south sufficiently so we're in the developing region of precip.  Usually Miller-B's leave us high and dry while giving folks to our north lots of snow.  They usually have a very sharp southern cutoff of heavy precip.  We CAN get significant snow from Miller-B's (Feb 10, 2010 being a great example), but not typically.  

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Was Feb 2006 a miller b?

It was primarily a northern stream system, so I think you could probably classify it as a Miller-B.  But it did have a southern stream vort that was initiating cyclogenesis along the Gulf Coast as the northern stream was digging in, so a bit of a hybrid perhaps.  

 

The reanalysis shows the pattern well:  http://www.meteo.psu.edu/~fxg1/NARR/2006.html

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It was primarily a northern stream system, so I think you could probably classify it as a Miller-B.  But it did have a southern stream vort that was initiating cyclogenesis along the Gulf Coast as the northern stream was digging in, so a bit of a hybrid perhaps.  

 

The reanalysis shows the pattern well:  http://www.meteo.psu.edu/~fxg1/NARR/2006.html

 

Thanks.  I was looking at this site too.

 

http://mesonet.agron.iastate.edu/current/mcview.phtml?prod=usrad&java=script&mode=archive&frames=70&interval=30&year=2006&month=2&day=11&hour=0&minute=0

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Good answers already. Very simple rule of thumb is just look at 850 panels. If the 850 drives north of our latitude we are in trouble. Plain and simple. Counter clockwise flow around the low draws warm air at the surface and mid-levels. Being to the se of an 850 is a terrible snow signature.

Once this happens we are kinda screwed unless a secondary off the coast takes over and crashes thermals. Unless there is a good alt block like -nao or 50/50 low, 9 times out of 10 the secondary low is too little too late.

Dry slot and lack of cold is a function of 850 low placement. Look how well central pa does with snow from the primary. That would be us if the low tracked through tn or ky.

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Its not over until Thursday. There is a sliver of hope. 

 

If we were ever in a foxhole together and there was incoming fire and mortar shells raining down on us, with enemy troops closing in from all sides, and we had a handgun left for defense, I'd want you there beside me.  You'd tell me there was a sliver of hope and that we were gonna make it out alive.  

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Good answers already. Very simple rule of thumb is just look at 850 panels. If the 850 drives north of our latitude we are in trouble. Plain and simple. Counter clockwise flow around the low draws warm air at the surface and mid-levels. Being to the se of an 850 is a terrible snow signature.

Once this happens we are kinda screwed unless a secondary off the coast takes over and crashes thermals. Unless there is a good alt block like -nap or 50/50 low, 9 times out of 10 the secondary low is too little too late.

Dry slot and lack of cold is a function of 850 low placement. Look how well central pa does with snow from the primary. That would be us if the low tracked through tn or ky.

Which you can see very clearly on the 12z NAM:

 

nam_namer_066_850_temp_ht.gif

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Which you can see very clearly on the 12z NAM:

Picture worth a thousand words. We had a string of runs Fri-sat showing an ok 850 low track but it was too close for comfort. It hasn't budged since models agreed on driving it north of us.

Like ian said, euro makes it interesting but still not there yet. I personally think we're cooked on this one but if I'm wrong I still win

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I'm still on the glass half full side of thinking that their will be some forzen precip on the backside for everyone . 50/50 I'd say right now, but optimistic.

That's always possible with a Miller-B, but that scenario highly favors north/east locations.  Phin and Mapgirl could do much better (but still not great) than me, Bob and the DC/Leesburg crew.  

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That's always possible with a Miller-B, but that scenario highly favors north/east locations. Phin and Mapgirl could do much better (but still not great) than me, Bob and the DC/Leesburg crew.

I'm not sure I can remember a time where I got whiffed on the front but scored on the back. There might be some examples but I sure don't remember any.

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If we were ever in a foxhole together and there was incoming fire and mortar shells raining down on us, with enemy troops closing in from all sides, and we had a handgun left for defense, I'd want you there beside me.  You'd tell me there was a sliver of hope and that we were gonna make it out alive.  

Awesome quote! LOL! 

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