2008.11.21
Snow showers add to totals in areas west, southwest of Roanoke
Snows produced by upslope winds over the mountains, streaking southeastward, have added to those produced by an upper-level disturbance that moved through overnight, especially in the region from the far Southwest Virginia coalfields eastward through the Wytheville area and the southern New River Valley, where many places have 2-4 inches of snow with as much as 6 at Burkes Garden. It looks like another 1-2 inches in most of the New River Valley, and I wouldn't be surprised to see the flurries pick up and some locally heavier snow showers even in the Roanoke Valley later today, as the radar trends seem to show more of the snow squall streaks headed this direction, though probably little in the way of accumulation. The sunshine may act to create a wee bit of instability in the very cold air aloft ... I noticed some bubbly looking white cumulus clouds as I went out to walk my dog in some light flurries this morning. Those could be indicative of some instability-enhanced heavier snow showers developing
Much of the area west of Roanoke is under a winter weather advisory.
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When I got to work here in Blacksburg at 8, there was maybe a little more than a half inch on the ground. Just before 9 with the heavy squall that moved in, we got a good inch or so in about a half hour. We had whiteout conditions for a few minutes too, these snow squalls are always kind of wild, but that was probably the most intense one I can remember in the past few years...usually they aren't quite that potent on this side of the mountains it seems.
Comment by Other John — November 21, 2008 @ 10:58 am
That one was showing up as a dark green on the radar.
Overall the snow showers seem to be diminishing the last half-hour or so, as drier air is working in overhead.
Comment by kevinmyatt — November 21, 2008 @ 11:01 am