And this time she means business!
The big picture described in yesterday’s blog post is still on track, but the details are a little different. This is based on the latest computer model runs. Basically, an upper-level system now in the southwestern part of the country will combine with a disturbance moving in from western Canada and will intensify over the Southeast. This will induce a surface low to form first in the Gulf of Mexico and then off the Southeast coast. High pressure over New England will push cold air into the Carolinas setting the stage for winter precipitation. It will be a “big ol’ mess” when all comes together.
A Winter Weather Advisory has been issued for the northern midland counties of Saluda, Newberry, Fairfield, and Kershaw. This will be for an accumulation of snow and sleet mainly Tuesday morning. The following is an update from the previous post.
As mentioned yesterday the forecast is a difficult one based on the timing and various forms of winter precipitation that will occur. The Midlands will see it all; rain, freezing rain, sleet, and snow. It appears that the onset of precipitation will be late tonight as rain moves into the area. The rain will likely change to snow during the early morning hours for the northern part of the Midlands (Saluda, Newberry, Fairfield, and Kershaw counties). There could be enough accumulation to cause travel problems, so travel through the northern Midlands needs to be monitored. The snow will change to rain and taper off during the afternoon. This will be the first surge of moisture into the region.
|The forecast for snow accumulation mainly from the snow/sleet that falls Tuesday morning. The rain/snow line will cut through the central Midlands. Click on the image for a larger view. Image Credit: WLTX-TV.|
The worst of the weather will come Tuesday night through Wednesday night and a Winter Storm Warning will be in effect from 7 p.m. Tuesday until noon Thursday. The precipitation may begin as rain late Tuesday night, but will change to snow, sleet, and freezing rain during the early morning hours. The intensity of the precipitation will increase during the morning and this is when most of the ice accumulation will occur. There could be extensive ice buildup leading to power outage on Wednesday. Another concern will be winds. Winds are likely to be from the northeast at 10 to 20 mph on Wednesday which will aggravate the situation.
|The forecast for ice accumulation mainly on Wednesday into Wednesday night. Click on the image for a larger view. Image Credit: WLTX-TV.|
If this were not enough the upper-level system will be intensifying over the Carolinas Wednesday night. This will change the freezing rain to sleet and then snow for the piedmont and upstate areas of South Carolina. There could be a substantial snowfall of greater than 4 inches in these areas early Thursday morning. In fact the I-85 corridor may see 6 to 10 inches of snow Wednesday into Thursday before ending. However, this will have to be monitored for there is still considerable uncertainty. Travel may be all but impossible by Thursday morning.