A low pressure system moved across the southeast U. S. and into the Atlantic Sunday. This system sent a swath of moisture across the Tennessee Valley and into the Appalachians, producing a bit of snow across southeast Kentucky, southern West Virginia, and Virginia. The first look at visible satellite imagery Monday morning indicates just where the heaviest snowfall occurred.
A map of the topography of the region shows how this snow follows the shape of the Appalachians. The lack of snow in the valley west of the Great Smoky Mountains is evident in eastern Tennessee. Also, the relatively more gentle upslope over eastern Kentucky indicates where more forcing and cooler temperatures aloft allowed the heavier snow to fall.
Below is a snow depth map generated by the NWS forecast office in Jackson, KY, for depths across eastern Kentucky this morning. Reports come in mainly from people within the CoCoRaHS observing network. If you want to sign up to become an observer check out that website.