Good Monday everyone and welcome to a very busy weather week. It is getting started off with some light snow across the region today before what will become a major winter storm for much of the eastern half of the country. For that reason… we are in Winter Storm THREAT mode for Tuesday night and Wednesday. The trend toward a bigger hit on our region continues and we will get to that in a moment.

The burst of light snow early today can put down local coatings to one inch. This should taper off to flurries in the afternoon with highs into the 30s. There could be one more batch of light snow this evening and overnight as well. Whatever is out there will show up here…



This brings us to the Winter Storm Threat for Tuesday night and Wednesday. We went into threat mode on Saturday with the higher potential across the east and southeast with a decreasing threat the farther west one goes. That first map I put out remains true today…



I will be able to fine tune that today and I suspect Winter Storm Watches for some counties will be coming out from our friends at the National Weather Service.

I will get to my early thoughts on this storm in a moment. Let’s start by taking a look at the computer forecast models. We had been seeing a wide range in the track forecast for the upcoming storm. That is no longer the case as most models are getting closer to coming into agreement on how this all plays out. The GFS model had been a major outlier of late in showing the storm basically missing everyone. That is no longer the case as the model has come way west with the storm track. It will continue to correct west with the track and the precipitation shield. Here is the better, but far from perfect, run…



The Canadian Model continues to lead the way in terms of consistency…


The UKMET hasn’t been too far behind…



The European Model was originally showing a pretty big hit a few days ago before it lost its way for a while. The trend on the model is toward the Canadian and UKMET and the latest run brings close to 1″ of liquid precipitation into eastern Kentucky and a half inch back to around I-75.

Here is the track on the European…


I made a map Sunday afternoon, of the eventual track and resulting snow threat and ended up not posting it as I wasn’t confident enough. While this thing still is no sure thing … here is a look at my early call on where the storm goes…



Needless to say… seeing the other models now showing a similar track to what I was thinking does a weather dude good. Some storm thoughts…

This still isn’t set in stone and any deviation in the storm track will alter the forecast significantly.

– The area of heaviest snow is likely to be across parts of southern and eastern Kentucky with lighter amounts farther west and north. I can’t even begin to talk about possible snow totals until the low track is established. There is likely to be a pretty sharp cutoff to the snowfall on the northwestern side especially.

–  This is a Tuesday night and Wednesday storm with the bulk of the snow to fall Wednesday.

– Temps will be near freezing for the bulk of the first half of the storm and this could result in a heavy, wet snow for some. If this storm ends up putting parts of our region in the axis of heaviest totals… some tree and powerline issues could arise… especially in the higher elevations.

– The precipitation could start out as a mix before dynamic cooling kicks in changing the mix to snow. Northerly and northwesterly winds would then help with the cooling process as the low kicks into high gear just to our east.

– I want to stress this is NOT SET IN STONE and the track could still shift back to the east leaving us out of the heaviest axis of snow. That said… the clear trend puts parts of the state in the game for a significant snow event.

As you can imagine… the blog will kick things up a notch with updates on this possible winter storm. An upgrade to Alert is very possible later today as well. Check back for updates and follow my twitter feed for some rapid fire thoughts from me.

Have a great Monday and take care.