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Jan. 17-18, 2026 SE Winter Weather Threat

I’m gonna say the euro is wrong with giving Tybee island, ga their 2nd 2+ inch event in the last two years. Especially when the ai models are raining on almost everybody.
We have had this convo. AI models perform too warm on the surface
 
We have had this convo. AI models perform too warm on the surface
That’s fine but it’s not just that. They both have way higher heights out ahead of the storm and much warmer mid levels as a result.

I think if you take the ai models higher heights along the eastern coast and combine that with the better digging vort on the gfs/euro/ukmet… you get a massive overrunning storm. That’s the hope for me, but that would put some people on the rainy side of things.
 
Look I like how much people get into this with studying every detail, but worrying about temperatures at this range is not what you should be focusing on. Evolution of the storm first, then worry about the other things.
 
Day 3 out last year for the 1/21 event the Euro was clocking central NC and was too far west. And of course we remember all those super bombs that the CMC kept spitting out which was dead wrong. It's why I like seeing these weaker model runs at day 4, not get our hopes crushed like last year.

And the Euro AI was east/supressed at this range for last years event.

ecmwf-ensemble-avg-se-total_snow_10to1-7590400.png


20250118070641-a7ff678e786a8ef8d01fd3624c74abcc56c6738c.png
 
To further discuss this… the ai models are way faster with the storm as a result of a less digging wave.

Going with the trend, I expect them to keep correcting slower and diggier. The question is: are they going to adjust the height field out ahead of the storm any? I’d be shocked if they start to lower heights/weaken the Atlantic ridging.

I think what’s more likely is they hold on to the stronger ridging out front… but keep trending slower/diggier with the wave… which would mean a more robust and neutral tilt prone wave as it advances east.

On the flip side, I think you’ll see the euro increase ridging out front to match the ai models, but hold more steady with the wave..

If all that comes to fruition we should have a sold board wide overrunning set up.
 
View attachment 183385
Final total map of GA 1/21 for that storm for comparison. It was too far NW with the northern edge of precip, dry air was too much if I remember correctly
I live near the upper portions of the precip last year, the flakes were small and wispy. Still managed to get 2 in, but it did not last long
 
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