Winter Weather Advisory: some ice accumulations possible overnight

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The National Weather Service in Huntsville posted a Winter Weather Advisory for DeKalb and Jackson Counties in Northeast Alabama as well as Moore and Franklin Counties in Southern Tennessee through noon Monday.  A glaze of ice develops in the higher elevations east of Huntsville: primarily Sand Mountain, Lookout Mountain, and Cumberland Mountain (Cumberland Plateau) between midnight and 7 AM Monday.  Some communities could see as much as 0.10″ to 0.20″ of ice accumulation along Lookout Mountain in particular.

The potential for ice west of the Huntsville area looks very small (if any at all). We may briefly see some mixed rain, freezing rain, and sleet in some communities; however, no substantial ice or snow accumulations develop (no travel or other significant impacts).

Temperatures drop into the middle and upper 30s Sunday evening and hover there all night with a few exceptions; it looks colder on the ridges above 1000′ in elevation, and that means a few hours below freezing overnight on Brindlee, Sand, Lookout and Cumberland Mountains. Precipitation moving in likely falls as rain in the lower valleys and freezing rain, sleet, and a small chance of some light snow mixing in as well. That mixture reduces the accumulation potential of any one single type of precipitation: a little snow, a little sleet and a little rain. All of that combined with temperatures below freezing means some slick travel is possible through about 9 AM Monday.

After that, we’ll warm above freezing over all of North Alabama ending the risk of ice and moving toward just a plain old, chilly, wet January day.

Most of the rainfall with this particular system looks light: less than 0.25″ in most North Alabama/Tennessee communities.

Need some specifics about the weekend or next week? They’re always online at WHNT.com/Weather and in the “Daily Forecast” section on Live Alert 19!

Track rainy and wintry weather with WHNT.com’s Interactive Radar or swipe over to the radar feature on Live Alert 19!

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