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Pattern January 2021 - Joyless January

Snippet from James Spann
SUNDAY NIGHT/MONDAY: You will be hearing lots of buzz about the weather Sunday night into Monday morning across the Deep South as the new 12Z model set today has come in colder, suggesting potential for snow over the northern third of Mississippi and Alabama. However, using ensemble model output and probabilistic outlooks, snow fans don’t need to get too excited just yet. Both the American GFS and the European ECMWF ensembles are showing only a 10-20 percent chance of one inch or more of snow with this event for now.

It is simply too early to know if there will be any significant winter weather with this system; just something to watch. A cold rain is likely for most of the state with amounts around 1/2 inch. We will have much better clarity, of course, as we get closer.
99D03342-4A12-4235-AA61-E1E3781751A2.png
 
Snippet from James Spann
SUNDAY NIGHT/MONDAY: You will be hearing lots of buzz about the weather Sunday night into Monday morning across the Deep South as the new 12Z model set today has come in colder, suggesting potential for snow over the northern third of Mississippi and Alabama. However, using ensemble model output and probabilistic outlooks, snow fans don’t need to get too excited just yet. Both the American GFS and the European ECMWF ensembles are showing only a 10-20 percent chance of one inch or more of snow with this event for now.

It is simply too early to know if there will be any significant winter weather with this system; just something to watch. A cold rain is likely for most of the state with amounts around 1/2 inch. We will have much better clarity, of course, as we get closer.
View attachment 62667

I mean...I don’t like it but he’s not wrong.


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Keeps getting better with each run.
It needs to move out of the plains in head on east to get better. I keep seeing these maps with light blues and whites over the SE with the purples and greens lin the Plains. That doesn't seem exciting.
 
It needs to move out of the plains in head on east to get better. I keep seeing these maps with light blues and whites over the SE with the purples and greens lin the Plains. That doesn't seem exciting.
At least cold air is trying to find an entry into the states. With that ridge situated where it is in Eastern Canada, there was no chance for it to drop down directly into the Eastern US. Now let’s cross our fingers and try to move it into more of an overrunning position.
 
It needs to move out of the plains in head on east to get better. I keep seeing these maps with light blues and whites over the SE with the purples and greens lin the Plains. That doesn't seem exciting.

Agreed. At least it's entering the conus. But it's not going to be really exciting until ridging off the east coast is gone, and we get a few Barney colors sitting over the south east.
 
What's all this I'm hearing about after the ssw the pv goes to Siberia. Did our unicorn fail again?

Jason Furtado twitter
50 hPa #PolarVortex following trend of modeled mid-to-upper stratospheric #PolarVortex with a displaced vortex into northern Asia. This pattern actually follows the trend of the past couple of decades for the vortex to be located more over Eurasia than North America
 
What's all this I'm hearing about after the ssw the pv goes to Siberia. Did our unicorn fail again?

Jason Furtado twitter
50 hPa #PolarVortex following trend of modeled mid-to-upper stratospheric #PolarVortex with a displaced vortex into northern Asia. This pattern actually follows the trend of the past couple of decades for the vortex to be located more over Eurasia than North America
More one than the other!? Sounds like a split, but I’ll take a witches cold tit at this rate. ??
 
What's all this I'm hearing about after the ssw the pv goes to Siberia. Did our unicorn fail again?

Jason Furtado twitter
50 hPa #PolarVortex following trend of modeled mid-to-upper stratospheric #PolarVortex with a displaced vortex into northern Asia. This pattern actually follows the trend of the past couple of decades for the vortex to be located more over Eurasia than North America
It's not ideal but it's also not a killer.
 
Yeah as long as the Pacific can tap into it, we'll be fine. I'm also curious if the ssw is still coupling and prolonging the -nao, or no. I'll take that as a consolation prize.
Yeah I'd like to see the euro maps on that the gfs really didn't do well and the Canadian hates the stratospheric pv so it's hard to believe. Either way like you said as long as we can capitalize on the enhanced potential for high latitude blocking we are fine
 
GFS is better than the 18z. Back to glory this run.
gfs_mslp_pcpn_frzn_us_24.png
 
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