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Pattern Januworry

Musing while waiting for the GFS to shake up things. A forecast like this for Atlanta is on my bucket list.
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An inch of ice and up to 20" of snow in the same storm. Not sure any city in the SE has ever experienced that kind of storm.
We have. It’s just a broad warning covering valleys/mtns. It’s unlikely the same spot gets 20” snow and 1” ice it’s accounting for different elevations of the same general area. Western NC has seen heavy snow events with parts of the county getting heavy ice and lesser snow accums.
 
Nice Wall to Wall U.S. cold. View attachment 99247
We’ve got to crawl before we can walk. I’m liking the evolution at 500mb up around AK bridging through the Arctic. Shakeup seems to be underway. I don’t know how much more Seattle snow I can take..if this doesn’t dump big time cold into the US idk what will 19583012-794D-4480-92EE-C50994869020.gif
 
In recorded history, probably not. But, given the right circumstances, it could happen.
I’ve always wondered if we could look back over the past 500-1,000 years what the record snowfall is for locations in the SE. would be wild if there was a monster storm in the 1300s that dropped 30” from CLT to RDU
 
Man I just want to see this evolution up top coupled with Aleutian low/+PNA..definitely see those lower heights sliding into position off the west coast while this is happening. How transient will it be? Who tf knows.

Could be a faucet dripper ?
 
We’ve got to crawl before we can walk. I’m liking the evolution at 500mb up around AK bridging through the Arctic. Shakeup seems to be underway. I don’t know how much more Seattle snow I can take..if this doesn’t dump big time cold into the US idk what will View attachment 99248
It’s fantasy, but with that look above and the monster Aleutian low forming would lead to this.

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It’s fantasy, but with that look above and the monster Aleutian low forming would lead to this.

View attachment 99252
If we could get a high pressure to drop into MN or WI instead of western MT, we would probably get a snowstorm. Should have some moisture available to tap down south with that look.
 
Can the Carolinas ever get a winter storm without a wedge in place ? That's kind of cheating. ?
Sort of need it. Some places in Climo favored spots in the northern and eastern portions of NC can score with the initial cold push. Mountains make make it hard for those in the shadow of them. But most of us need it locked in place for a “good” snow.
 
Trends this weekend toward a much colder January overall vs December have been amazingly good on the globals and the CFS! If this is another headfake, I’m giving up lol. Last Saturday’s headfake caved on Sunday. This time, it isn’t just not caving today, it is intensifying. Guidance is even showing signs especially on the EPS toward a more neutral PNA by late week 2 with an Aleutian trough/+PNA quite possible around the 2 week point or soon after. One thing I suspect is helping a lot is a much improved GEFS AO forecast, which as of just a few days ago was heading to neutral:

33E9FC63-80E1-44A0-B7BE-0285A948EA3F.gif

The NAO forecast even looks slightly better with neutral rather than slight positive late.
So, -AO with a new +PNA and soon after maybe a phase 8-1-2 MJO possibly low amplitude? Thats all promising for it not being a headfake.
 
Trends this weekend toward a much colder January overall vs December have been amazingly good on the globals and the CFS! If this is another headfake, I’m giving up lol. Last Saturday’s headfake caved on Sunday. This time, it isn’t just not caving today, it is intensifying. Guidance is even showing signs especially on the EPS toward a more neutral PNA by late week 2 with an Aleutian trough/+PNA quite possible around the 2 week point or soon after. One thing I suspect is helping a lot is a much improved GEFS AO forecast, which as of just a few days ago was heading to neutral:

View attachment 99269

The NAO forecast even looks slightly better with neutral rather than slight positive late.
So, -AO with a new +PNA and soon after maybe a phase 8-1-2 MJO possibly low amplitude? Thats all promising for it not being a headfake.
The PNA has slowly been trending less negative over the past couple of days, so hopefully no more headfakes!
 
Relax guys. The artic air will come in January. And it’s not gonna be just a cold shot here or there it’s gonna be legit. The pattern is going to change rapidly and catch some off guard. You will start to see it reflect in the models this coming weekend. Be patient.
Wow, Euro with a massive abrupt pattern change. If it verified, it would be some Midwest type stuff. Severe weather to back side snow. 70s for highs one day to 40s or lower for highs the next.
Nobody wanted to listen.
 
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