I'm taking a little bit of a chance trying to give details 3-4 days out, but that's what we're here for!
The GFS & ECMWF models still agree on two low pressure centers pushing our way for the first half of Christmas week.
Low #1 will bring clouds on Sunday along with a few showers that turns into a steady rain Sunday night though Monday morning.
On Christmas Day, clouds will increase as Low #2 brings more rain for Christmas night.
However, as Low # 2 passes to the east early Wednesday, cold air should gush in causing the rain to change to "snow on the backside" of the low before tapering off Wednesday evening. That snow could start after midnight for our northwestern counties and near daybreak in Nashville.
I wouldn't be surprised if we see some decent accumulations.
As a matter of fact, the northwest part of Middle TN, including Clarksville, Dover, Paris, Camden, and Erin could get "slammed" with snow starting late Tuesday night.Travel could turn out to be a major problem from northwest TN though the west half of Kentucky.
Nashville's amounts will likely be lower with the change over occurring later, and are likely to be in the dusting to 1" category.
Check out the snow accumulation map from the overnight GFS model run.
REMEMBER, DETAILS ARE LIKELY TO CHANGE OVER THE NEXT FEW FORECAST RUNS, SO STAY TUNED TO NEWS 2 FOR THE LATEST.
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