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Wintry Machine Learning Mauler 1/30-2/1

Weathernext2 has it offshore significantly and was trending away not closer. Perhaps even a bit too offshore.
Obviously at this range it is best to rely on the ensembles, even if the operational sometimes can produce some trends or show us some synoptics.

The weather next has been crushing it this winter. Be interesting if it has any adjustmens. Normally when it has adjustments, they happen on a much smaller scale over time.
 
Comes out at 2a/p and 8a/p. Will have to wait for one of our posters with access to post it
This was the four-run trend for the 00z Weathernext2. Given the bouncing around I wouldn’t say it’s locked in yet. Once it locks in we’ll start seeing only marginal run-to-run changes and that’s when this model is truly impressive.IMG_8042.gif
 
This was the four-run trend for the 00z Weathernext2. Given the bouncing around I wouldn’t say it’s locked in yet. Once it locks in we’ll start seeing only marginal run-to-run changes and that’s when this model is truly impressive.View attachment 189409
This gif doesn’t inspire me I have to say
 
This was the four-run trend for the 00z Weathernext2. Given the bouncing around I wouldn’t say it’s locked in yet. Once it locks in we’ll start seeing only marginal run-to-run changes and that’s when this model is truly impressive.View attachment 189409

The only model that’s trended slightly more offshore. But I put a lot of faith in this one. Hopefully 6z will be back west!


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Get this to close of just 50-70 miles further south and west and everyone from Georgia to the coast is getting mauled
Seems it was this time last week (Monday into Tuesday) that we saw the massive shifts with the previous storm. Very curious to see what the path looks like this time tomorrow.
 
We are basically at the mercy of how far that little vort over the Hudson Bay slingshots west and then winds up as it comes south. I used the 0z euro but as of making this the 6Z euro came out on TT but the point remains the same. You can see a piece of energy following this energy around the backside that I think is tugging this west. It’s there on the GFS also but less defined and dives in later, thus its more east. I tried making a longer GIF so you can see it all play out but the file is too large. I feel like that back side energy diving in is what will determine how far west this can get, if it ends up there at all.

IMG_7300.jpegIMG_7302.gif
 
Interesting that all of the old models are taking a 1000 mb low south of Hatteras to sub 980 within about 12 hours. If this is anywhere near to being correct we are in for it. It will take time for models to get surface features of the location/intensity of a rapidly developing deformation band, but wow.
 
Can see the 50/50 lifting out quicker past few runs and that northern stream energy trying to dig back further west on each run. This past weekend and last weekend we saw that dig further and further west for those events...and just how much southern stream energy comes out...its just setting up for a big coastal bomb for 85 corridor and west.

This is at hour 108...so by tomorrow nights 0z runs we might have a better idea, which Tuesday last week was when the models seemed to converge on a more amped miller b for this past weekend.

ecmwf-aifs-ensemble-avg-namer-vort500_z500-1769407200-1769796000-1769796000-20.gif
 
The 850 is in such a favorable position for a hammerhead snow thump as the low pivots by Hatteras. Shades of that Turn of the Century event we’re never supposed to cite.

View attachment 189424
I think the trend here to watch is not so much how far NW everything shifts but how far south this upper level low develops and starts to bomb. Would involve a lot more on this board with a memorable event if it starts a little more south.
 
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