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February 2013 mid-long range disco thread


Fozz

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"reform" is a 4 letter word...most of the time. But with the compressed flat flow above us it keeps it from doing damage by getting too far north right? 

 

Good question.  There also is a vort coming across in the northern stream and at 72 hrs is near the MT/Dks border.  Not sure what it's impact might have.

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With the pattern being fairly zonal and not much of a PNA ridge, that would seem to strongly favor a flatter system sliding east or ENE off the coast. GFS solution isnt out of the question, but it just seems less likely given the west to east flow and no real ridging in the west. The Euro needs to trend a bit north and colder and that would work to give much of the area a light to moderate event.

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Good question.  There also is a vort coming across in the northern stream and at 72 hrs is near the MT/Dks border.  Not sure what it's impact might have.

 

Only worth talking about for another hour or so...but the vort in the dakotas amps the flow in front just enough to scare the crap out of us. 

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Only worth talking about for another hour or so...but the vort in the dakotas amps the flow in front just enough to scare the crap out of us. 

 

It's definitely a rainy run if you look at the torching booundary layer temps on Alan's site.  Thank goodness it's the NAM but the lack of a high and the fact that the air mass isn't very cold is a concern even with the colder looking GFS run. 

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Only worth talking about for another hour or so...but the vort in the dakotas amps the flow in front just enough to scare the crap out of us. 

I saw that 81 and 84 hrs maps and thought "here we go again...it's ova'"

if it's right, of course, but it's hard to think that a scenario that screws us won't be wrong since it hasn't been wrong in 2 years

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It's definitely a rainy run if you look at the torching booundary layer temps on Alan's site.  Thank goodness it's the NAM but the lack of a high and the fact that the air mass isn't very cold is a concern even with the colder looking GFS run. 

There is plenty of moisture to work with if the temperatures can crash after the first few hours of precipitation, but no way of telling what happens afterwards.

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I saw that 81 and 84 hrs maps and thought "here we go again...it's ova'"

if it's right, of course, but it's hard to think that a scenario that screws us won't be wrong since it hasn't been wrong in 2 years

in my opinion the NAM at 84 hrs is as accurate as the experts predicting the Ravens to lose the superbowl ;)

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