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January Medium/Long Range: A snowy January ahead?


mappy
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Just now, psuhoffman said:

This is really late, last 24 hours I've been on the road a lot.  But this would have been pretty much the same map I would have put out last night if I was able too.  Nothing has really changed.  The high or low end of these ranges will depend on banding which will be a nowcast thing.  The little bit of a gap between the 4-8" zones accounts for the little bit of a "jump" that will happen between the initial SW induced boundary wave and the coastal.  4-6" will be way more common in the 4-8" zone but I do think some isolated 8" totals will pop up somewhere in those 2 areas.  As the deform band with the coastal gets going it will cut off the moisture transport to the west and the precip with the initial wave will die.  This does create a bit of a gap, but I don't think it will be nearly as bad as some of the high resolution models were showing.  It's nice that the first threat of both high probability "windows" hit, makes it easier to track if the next few waves miss.  I don't think we are done yet though...as the pattern relaxes I bet we get another wave similar to this to hit.  And it still possible one of the waves this week trends north. 

Snow1_19_25.jpg.6a04deadbc00b2f11807f7175ea388ac.jpg

 

I hate to say this, but...all this was supposed to be in the other thread, lol

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6 hours ago, Amped said:

One more thing about the Friday system is it reminds me a lot of the setup a few days after the Blizzard of 96. 

https://www.meteo.psu.edu/ewall/NARR/1996/us0112.php#picture

Edit: Throw in the Februrary 2001 setup also.

https://www.meteo.psu.edu/ewall/NARR/2001/us0205.php

If that trough ends up negative instead of positive, like those two examples, we will get hit

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8 hours ago, psuhoffman said:

0z GFS is certainly not boring

 

5 minutes ago, Heisy said:

Euro Ai keeps showing an event near the 30th


.

Yeah I was just flipping through the 00Z and 06Z GFS quickly and there are definitely some potential events in there!  And it appears plenty enough cold air hanging around through the period.

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21 minutes ago, Chris78 said:

That's sweet looking. Nice cad. Perfect transfer. Moisture laden

 

If we get that I'm at peace with a February warm up.

Nahhh, don't want that really.  I mean, the pattern will almost surely relax and change at some point, and I fully expect some part of February to be warmer/unfavorable (hopefully not a torch though, at least).  But I hope for some kind of last blast of winter toward the 2nd part of February and early March, that would be nice!

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19 minutes ago, Scarlet Pimpernel said:

Nahhh, don't want that really.  I mean, the pattern will almost surely relax and change at some point, and I fully expect some part of February to be warmer/unfavorable (hopefully not a torch though, at least).  But I hope for some kind of last blast of winter toward the 2nd part of February and early March, that would be nice!

Not late Feb, please. Have plans

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1 hour ago, mitchnick said:

 

1 hour ago, Chris78 said:

That's sweet looking. Nice cad. Perfect transfer. Moisture laden

 

If we get that I'm at peace with a February warm up.

That's actually a HECS but it's a few days too far out still to get excited yet, but AIFS has been all over that time period and other guidance has popped out the random big hit around there too.  It's the period I am most interested in, pattern is relaxing but with a lot of cold still left hanging around.  That's often a recipe for us.  

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19 minutes ago, Terpeast said:

Not late Feb, please. Have plans

Just about all the analogs that flipped warm in Feb then cold again, the flip back happened right near March 1 and the snowstorms associated with those years happened in March.  Late Feb has kind of been a wasteland around here historically for a while.  Who knows why.  Random probably.  

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8 minutes ago, psuhoffman said:

 

That's actually a HECS but it's a few days too far out still to get excited yet, but AIFS has been all over that time period and other guidance has popped out the random big hit around there too.  It's the period I am most interested in, pattern is relaxing but with a lot of cold still left hanging around.  That's often a recipe for us.  

Yep, MECS, followed by a clipper all while the 540 line remains to our South to the very end of the run.  

 

 

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Of course, cold air taking too long to help us today but going to be way too much of it for that Tuesday/Wednesday storm.

Still holding out hope for the late week storm but Euro isn’t interested at all and even the overzealous CMC is wide right and has been many runs now.

After that, who knows. Too far out to even really look at.

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That's actually a HECS but it's a few days too far out still to get excited yet, but AIFS has been all over that time period and other guidance has popped out the random big hit around there too.  It's the period I am most interested in, pattern is relaxing but with a lot of cold still left hanging around.  That's often a recipe for us.  

I’m seeing all of the OPs generally follow the same progression as the Ai with dumping the energy out west and allowing N/S to race ahead to reinforce cold. Here is icon for example…

04d253c64b47d823849948ae4f9a7710.jpg


.
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