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Update: 8:05 p.m.
The National Weather Service in Morristown has issued a severe thunderstorm warning for several counties in Upper East Tennessee until 9 p.m. tonight
The warning, which was issued at 8:01 p.m., includes Sullivan County, Washington County, Unicoi County and Carter County.
A severe thunderstorm warning for Hawkins County is scheduled to expire at 8:45 p.m.
Locations in the warning area include Kingsport, Colonial Heights, Bristol, Tenn., Fall Branch, Gray, Sullivan Gardens, Church Hill, Mount Carmel and Blountville, among others.
According to the NWS, radar indicated a line of severe thunderstorms at 7:55 p.m. capable of producing quarter-size hail and damaging winds in excess of 60 mph.
The storms were located along a line extending from Surgoinsville to Gray to Erwin and were moving northeast at approximately 20 mph.
In addition to hail and strong winds, forecasters said the storms could cause frequent cloud to ground lightning.
The severe thunderstorm watch issued earlier Monday for much of Northeast Tennessee and Southwest Virginia remains in effect until 10 p.m., forecasters said.Check back with timesnews.net for further updates.
The National Weather Service in Morristown has issued a Severe Thunderstorm Watch for most of Northeast Tennessee, Southwest Virginia and Southwest North Carolina until 10 p.m.
According to the NWS, scattered thunderstorms will develop this afternoon across the Cumberland Plateau and move east or northeast at 25 miles per hour. The storms may reach strong to severe levels through this evening with the main concerns being damaging downburst winds up to 60 miles per hour and large hail. Frequent lightning and locally heavy rainfall can be expected, according to the weather service.
Isolated strong to severe storms also are possible Wednesday and Thursday as a slow moving cold front nears the region.
For special weather statements and forecasts visit the National Weather Service.