The ascent is not the best, but you could see the saturation in a deep snow growth zone this afternoon-evening with some huge snowflakes. I had a snow shower at the house with flakes measured up to 2.5" in diameter! They looked like cottonballs coming down. As they fell, they looked like big drops of paint hitting the pavement.
However, they are very airy. Typical of good, efficient dendrite growth, they has a very low water ratio & were like dry lint or cotton candy when they accumulated.
There are still some flakes out there, but the scattered snow showers are pulling away. Watch for a few slick spots in areas that picked up a quick fluffy 0.5" this evening. You drive over that layer of fluff & you can compress it into a thin veneer of black ice.
Complete snowfall totals will be up from this morning-today-tonight.
Now we move to tomorrow.......
Snow to sleet to freezing rain, then rain should move through the area 11 a.m. Sunday to Sunday night.
Everyone should be rain by 6 p.m.
However, period of snow & then ice is likely late, late morning to early afternoon with the longest duration of the snow to ice in the north & northeast.
0.50-1.15" of total liquid is possible.
There will tend to be a very sharp cut-off in snowfall & ice accumulations from trace to 1" along & south of US 24 & 1-2.5" north of US 24 possible.
We will monitor Wednesday to Thursday & even early Friday for risk of icy mix & snow. Still uncertainties......
Coldest weather of the winter so far is possible after the storm system.
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