Weather Blog: Storm track will determine how much snow will fall on Wednesday
Light precipitation is now moving across the Piedmont from the jet stream impulse that will bring a chance for flurries or snow showers today. This will be light and produce little or no accumulation. A few might get a dusting from this.
Once this passes later today, we will go back into a lull. Little or no precipitation again until a system off the Pacific coast arrives Tuesday and Wednesday.
This is expected to form an area of low pressure over the deep south that will spread snowfall/ice northeastward starting to our south later Tuesday and reaching our area Tuesday night or Wednesday. This next system will be the one that brings the majority of our precipitation.
The Winter Storm Watch issued to the south and NOT over the north is because precipitation has a better chance in the south later Tuesday.
A watch will likely be issued for the north later when we get closer to the arrival time of precipitation in the north. Again there are 2 parts to this system and the 2nd is the key and it is just now reaching the US west coast.
The track of this system will determine, how much will fall and will it will start. If it tracks to the west, we could see some sleet and that would cut into snowfall amounts. We do think areas south and east of the Piedmont-Triad will indeed see some of the heaviest precipitation fall as sleet. Confidence is higher for more snow west and lower snow totals east and southeast due to this sleet possibility.
The attached graphics show odds for 2+ inches of snowfall, 4+ inches of snowfall and 1/10″ of freezing rain. Notice a major ice storm expected in South Carolina near Columbia.
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