In a Thursday briefing, NWS says the onset of the precipitation for Saturday night remains a challenge due to differences in weather model data runs. Minor sleet and snow accumulations up to one inch are possible in any county under the advisory.
The central Piedmont, including the Raleigh-Durham-Chapel Hill area, is expected to get roughly half as much snow as was predicted Saturday, between 2 and 4 inches in most locations. The risk for snow increases the further north traveled and in higher elevations. Lower amounts, less than 1 inch, are expected south into Faulkner County in the current forecast.
"Significant accumulations of snow combined with sleet and freezing rain is expected".
While the storm will wind down on the weekend only, but the chilly weather is here to stay for a while.
The storm tore through Texas, dumping snow and unseasonal heavy rain, CBS News' Janet Shamlian reports.
The flooding and winter precipitation may also impact Georgia. Temperatures are hovering right around freezing, so it won't take much to change over to snow for many areas. Major snow and ice will cause travel impacts across a widespread area.Ice accumulations could cause power outages and tree damage. Up to 2 inches are possible hourly in coastal towns.
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For southern Arkansas, up to four inches of rain could fall.
American's waiver covers cities such as Oklahoma City and Springfield, Missouri through Saturday and cities including Asheville and Charlotte, North Carolina and Knoxville, Tennessee through Monday.
A motorist needed help after at least six inches of snow fell across parts of North Carolina on Sunday.
By Saturday, rains and threat of flooding will shift largely to the Deep South and Southeast.
A weather system the National Weather Service is calling "complicated" will arrive in Arkansas beginning Friday. Some central North Carolina areas may see snow accumulations of 3 to 6 inches and ice accumulations of a quarter inch, the NWS winter storm warning said.
After the heavy rain in Lubbock, many community activities were disrupted.