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Pattern December Doldrums 2025 🎄 ❄️

Lets shift this one south for the boys

You know you're getting Monday, don't be throwin marginal NC storms at us. Give us the cold ones. lol.

I'm very happy that we keep defaulting back to cool/cold in the medium range, very nice to have a cool below average December which it looks like is in store for us. I just feel for an actual storm, we're waiting for the pacific and the jet to reshuffle a bit to give us a cleaner taller +PNA ridge that will give the SE a better/more southernly cold trajectory and let our northern stream shortwaves tilt a bit. Right now I feel we're not quite cold enough, and not quite troughy enough to get a storm. Good to be in the game, but I'd love to be VA and Mid-Atlantic the next few weeks.
 
You know you're getting Monday, don't be throwin marginal NC storms at us. Give us the cold ones. lol.

I'm very happy that we keep defaulting back to cool/cold in the medium range, very nice to have a cool below average December which it looks like is in store for us. I just feel for an actual storm, we're waiting for the pacific and the jet to reshuffle a bit to give us a cleaner taller +PNA ridge that will give the SE a better/more southernly cold trajectory and let our northern stream shortwaves tilt a bit. Right now I feel we're not quite cold enough, and not quite troughy enough to get a storm. Good to be in the game, but I'd love to be VA and Mid-Atlantic the next few weeks.
I don't disagree at all, but there will be a lot of cold bottled up over the next few weeks, just need one well timed wave for y'all.
 
Looks like 85 in VA on up to Richmond.
Bingo!

Heading south though.

The snow is starting to die out around 30 miles from NC. From my observations:

DC 1”
Fredericksburg 3”
Richmond 2”
Petersburg 2”
 
A few more pictures from last night. Icy sidewalk! Temps have literally been stuck between 30-38 this whole week. Highs are Pretty impressive for the first week of December. I do worry with how much cold we are getting that it then flips in January during our best snow month.
ce582220211673689c0c3a0a13fdae9e.jpg


47c7447308e27a64778e660a2ccbfed0.jpg


c9940ac932aa49af9a77c8fcdc05dd10.jpg



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A few more pictures from last night. Icy sidewalk! Temps have literally been stuck between 30-38 this whole week. Highs are Pretty impressive for the first week of December. I do worry with how much cold we are getting that it then flips in January during our best snow month.
ce582220211673689c0c3a0a13fdae9e.jpg


47c7447308e27a64778e660a2ccbfed0.jpg


c9940ac932aa49af9a77c8fcdc05dd10.jpg



Sent from my iPhone using Tapatalk
1989-90 comes to mind here and I'm hoping for the flip. December was an icebox and then winter was gone.
 
Not surprising considering this is close to the Euro Weeklies, which hopefully are too warm. We’ll see!
CPC has had some wins. I’m not one to diss on them like everyone else. I personally enjoy their outlooks. They nailed this one issued on the 27th of December for what came this past January… but man. I just don’t see what they are seeing. Who knows. Just seems like Corncob Cornelius got lazy & just said let’s just go straight La Niña & clocked out for the day. IMG_2387.jpeg
 
I can testify. Winter wonderland up here today

You know you're getting Monday, don't be throwin marginal NC storms at us. Give us the cold ones. lol.

I'm very happy that we keep defaulting back to cool/cold in the medium range, very nice to have a cool below average December which it looks like is in store for us. I just feel for an actual storm, we're waiting for the pacific and the jet to reshuffle a bit to give us a cleaner taller +PNA ridge that will give the SE a better/more southernly cold trajectory and let our northern stream shortwaves tilt a bit. Right now I feel we're not quite cold enough, and not quite troughy enough to get a storm. Good to be in the game, but I'd love to be VA and Mid-Atlantic the next few weeks.
We have cold air, disturbances and a positive MJO phase to work with but as you said, we need a taller +PNA ridge to work with. The upper air pattern that drives our weather needs to have that dip in the roller coaster to bring that colder air further down south and the ascent after the dip just off of the Southeast coast to give us a good old fashioned coastal low to work with. If that +PNA ridge would cooperate then many of us would be in for some fun times ahead.
 
CPC with the buzzkill of the century.. I mean what in the world dude.
View attachment 178104
I honestly believe it's programmed into them, because it shows the same thing 95%of the time for weeks 3 and 4. They can't help themselves. They got hot heads. lol
 
yesterday 6z wxnxt vs today 12z. obv the pretty ptype map looks more fun, but the real thing to watch is that H5 trough dug in a little better and the broad coastal sfc low has backed up closer to the SE coast. its a better look on this versus the AIFS. please note these are coarse, 6-hr estimated ptype average maps and really should only be used for QPF ideas and syntopic feature placement

1764966039867.png

1764966050522.png
 
yesterday 6z wxnxt vs today 12z. obv the pretty ptype map looks more fun, but the real thing to watch is that H5 trough dug in a little better and the broad coastal sfc low has backed up closer to the SE coast. its a better look on this versus the AIFS. please note these are coarse, 6-hr estimated ptype average maps and really should only be used for QPF ideas and syntopic feature placement

View attachment 178108

View attachment 178109
What's the link to this man? I tried to search it yesterday when Evan posted it but I believe i was on the wrong site.
 
CPC has had some wins. I’m not one to diss on them like everyone else. I personally enjoy their outlooks. They nailed this one issued on the 27th of December for what came this past January… but man. I just don’t see what they are seeing. Who knows. Just seems like Corncob Cornelius got lazy & just said let’s just go straight La Niña & clocked out for the day. View attachment 178106

No, Mitch, it wasn’t laziness as I assume they saw the straight extended Euro model guidance that is very similar.

I remember quite clearly the very cold weeks 3-4 outlook that you posted for Jan of 2025 because it was one of the coldest, if not the coldest, in the SE on record since they started issuing them. I was as excited as ever and was posting about how they were the coldest ever. At the time, the Euro Weeklies, had been locked on cold for weeks 3-4. So, it made sense to go cold then. But in total contrast, they’re mild due to a SE ridge. So, it makes about as much sense to go mild now as it did then to go cold.
 
No, Mitch, it wasn’t laziness as I assume they saw the straight extended Euro model guidance that is very similar.

I remember quite clearly the very cold weeks 3-4 outlook that you posted for Jan of 2025 because it was one of the coldest, if not the coldest, in the SE on record since they started issuing them. I was as excited as ever and was posting about how they were the coldest ever. At the time, the Euro Weeklies, had been locked on cold for weeks 3-4. So, it made sense to go cold then. But in total contrast, they’re mild due to a SE ridge. So, it makes about as much sense to go mild now as it did then to go cold.
That makes sense man. Thanks for the explanation sir.
 
My current curiosity right now is, how well are models handling the strength of the southern stream energy from the baja low. Models have never been great figuring out baja lows. Right now we're looking at poor LL support so a SFC low kind of struggles to form. The main vort right now isn't digging far south enough either, but the vort is closer than it seems. If we can just get some better digging. there and some ensemble members have really shown interest with that, especially Euro AIFS. Running out of times for trends, but something to generally keep an eye on.
 
Promise im not gatekeeping bc I want weather forum likes for myself, but the link is not mine to share. Sorry man
Apologies, I’m currently hosting the maps on my employer’s server, so only our internal team has access atm. I’ll iron out if we’re allowed to make that data public as a private wx company (depends on Google’s terms), or I may just end up hosting on GitHub for y’all to access. I’ll circle back next week.

Also hi, first forum post 👋🏻
 
Apologies, I’m currently hosting the maps on my employer’s server, so only our internal team has access atm. I’ll iron out if we’re allowed to make that data public as a private wx company (depends on Google’s terms), or I may just end up hosting on GitHub for y’all to access. I’ll circle back next week.

Also hi, first forum post

Eric you do an awesome job we appreciate you bro


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Apologies, I’m currently hosting the maps on my employer’s server, so only our internal team has access atm. I’ll iron out if we’re allowed to make that data public as a private wx company (depends on Google’s terms), or I may just end up hosting on GitHub for y’all to access. I’ll circle back next week.

Also hi, first forum post 👋🏻

The issue is not having a valid api key from Google to make the maps with Python, grads, etc.

I'm assuming you guys have access to the bigquery, or an API of some sort. Not sure Googles going to go for publicizing it, and I personally feel like they are very much into using that zarr format they also have to push people into using their cloud services, since it seems when you request and are granted access, it's through that
 
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