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Moving past first week of January General Discussion/banter


Baroclinic Zone

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the gfs looked too warm synoptically...but if the confluence over nova scotia is stronger...than maybe that canadian high can push a bit farther south.  There's quite a battle with a big Atlantic high at the same time.

 

i'm more than less accounting for typical GFS boundary layer warm bias for DJF with antecedent polar fropas.  doesn't take a whole heck of a lot of advection to get the air mass conditional in the 2-meter...  27F DP with temps around 40F might appear warm but when that column saturates, and WAA terms are weak, your wet bulb is actually on the lower side of that range.

 

but of course, you are spot on about the confluence assisting... just a subtle push more from that in the lower mass fields and that definitely would be a clearer indicator for ice.   

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I'm surprised noreaster27 isn't in here to let us know that the OP Euro run has a big Greenland block in the long range. To give us the good news that the 3 consecutive runs of a +NAO streak is over.

Took the words out of my mouth (or out of my fingers...lol..) Dropping off the charts on this OP run.

12zecmwfnao.gif

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It just shows the capricious nature of NAO caclulations. It's not like there wasn't NA blcoking in prior runs.

It was way east based on the 0z run compared to the 12z run, huge difference in heights over greenland. Its still in la la land and this will contiune to change a ton, im just watching the trends.
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That Wednesday system definitely has potential in the interior. That looks like some decent frozen there on that run verbatim.

 

you realize that's historic cold flirting with the area.... Looks slightly shunted east, but eh - who cares about details at this range.  Just having that appeal is sick!  

 

also, man, the operational Euro is a giant piece of sh*t when it comes to dealing with the NAO domain... 3 runs it has a nice block, then...3 runs, 0 block, now? the great wall of atmospheric china up there. 

 

pick one and stick with it - jesus

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you realize that's historic cold flirting with the area.... Looks slightly shunted east, but eh - who cares about details at this range. Just having that appeal is sick!

also, man, the operational Euro is a giant piece of sh*t when it comes to dealing with the NAO domain... 3 runs it has a nice block, then...3 runs, 0 block, now? the great wall of atmospheric china up there.

pick one and stick with it - jesus

Stay the course
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We just need to survive the next few days...38.9F for the high from the meso-site near my house.  Could be a little worse at my house itself.

 

Would be good to return to winter midweek next week, if only for the temps with occasional chances at precip.

 

I think we have a couple of good storms toward the end of the month.  Fickle things these indicies.

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I agree with Scott about the model volatility...that's a tough pattern to figure out next week with all the nuances of the positively tilted trough with a ton of moisture and energy available.

 

I do think one of those waves though along it has a chance to be something in terms of winter wx. Its possible too that it could be a warm storm to the west, but I think the trend of seeing the northern side of that boundary sink south is a good one. Hopefully it looks even better by the time we get to this weekend.

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