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Late February will be rocking. February Long range Discussion thread


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33 minutes ago, psuhoffman said:

Problem is where is it pulling the cold from???  there is no cold to tap to our north within 500 miles.  The only cold is the pocket of dynamically cooled air.
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The slight imperfection that doomed the euro control was the slow movement and early close off of the upper low allowing us to be under easterly flow for too long. Plus by the time the system gets here it’s vertically stacked and not amplifying which is worse for dynamic cooling.  Also there is a limit. We’re not asking to cool a marginal column with a wet bulb of 36 degrees. On that run the boundary is torched. It’s too much to overcome no matter how heavy the precip is.  

Yes, I was wrong to say pull in cold air, I meant generate its own cold air.  I am not as well versed in meteorology as others in here, but I have followed snowstorms closely since I was a kid. I do think there are some that are getting caught up on certain things (like mid level and ground temps) and being too dismissive about snow chances. Either way, I appreciate your breakdowns as I try to get better educated. 

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1 minute ago, SomeguyfromTakomaPark said:

Yeah, even if we get a "perfect" solution it probably won't be good enough for the metros.  Just too warm unfortunately.  

mostly agree - this run verbatim is spitting out some snow in SC (and not just the mountains) - think there is a path to victory with perfection and a better placed vort pass. Just way too far south 

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6 minutes ago, stormtracker said:

850's are warmer than 6z so far :(

This thing cutting off so far south isn’t going to do us any favors. We need it to cutoff farther north so there’s still some meager amount of cold air aloft when it gets here. 

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Just now, NorthArlington101 said:

mostly agree - this run verbatim is spitting out some snow in SC (and not just the mountains) - think there is a path to victory with perfection and a better placed vort pass. Just way too far south 

Yeah, goal posts ever so narrow.  There is no cold air anywhere to be found in the entire CONUS for this storm though.  540 thickness line in Montreal isn't usually good for us lol.  

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Just now, Maestrobjwa said:

The slowdown combined with an already awful airmass is what sunk this one. Welp...we made it till' 120 hrs this time--maybe next weekend we can bring it home :lol:

I'm confused why you keep bringing up President's Day Weekend when it looks like there are no real potential storms during that time period. Am I missing something?

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6 minutes ago, Blizzard Hunter said:

Yes, I was wrong to say pull in cold air, I meant generate its own cold air.  I am not as well versed in meteorology as others in here, but I have followed snowstorms closely since I was a kid. I do think there are some that are getting caught up on certain things (like mid level and ground temps) and being too dismissive about snow chances. Either way, I appreciate your breakdowns as I try to get better educated. 

You’re not wrong if we had anything close to a typical winter thermal profile. Even a “warm” one by normal standards.  That run does dynamically cool the column by like 5-7 degrees but it’s just not enough because it’s so ridiculously warm.  Think if it like if we got a storm in early November or April. Because that’s what this thermal regime is more analogous to.  It could go perfect and still not be enough because it’s just too warm.  

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4 minutes ago, umdterps29 said:

I'm confused why you keep bringing up President's Day Weekend when it looks like there are no real potential storms during that time period. Am I missing something?

My apologies--no there isn't, just a heavy dose of hopium mixed with weenieism there. (Although 0z Euro and Gfs did show a cold front after a cutter with some precip at the boundary...but that's way out in fantasy land, of course)

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