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UPDATE: Severe thunderstorm warning, flood advisory in effect for SW Va., NE Tenn.

June 13th, 2013 9:10 am by Wes Bunch

UPDATE: Severe thunderstorm warning, flood advisory in effect for SW Va., NE Tenn.

Image courtesy AccuWeather

UPDATE: 3:34

As a result of today's heavy rains and severe storms the NWS office in Morristown has issued a flood advisory for Sullivan County and adjacent localities until 6:15 p.m.

The advisory pertains to urban areas and small streams and includes Sullivan County, Hawkins County and Washington County. Cities under the advisory include Kingsport and Bristol, Tenn., Rogersville and Johnson City.

The NWS said radar has indicated a second line of thunderstorms bearing down on the area that could dump between 1.5 to 2 inches of rain over a short period of time.

Those near small streams or in low lying areas are asked to take precaution against possible flooding.

UPDATE: 3:12 p.m.

The most recent severe thunderstorm warning issued for Northeast Tennessee has been extended to 4:15 p.m. by the NWS-Morristown.

The area now includes Washington County, Tenn. in addition to Sullivan County, Carter County and extreme southern Johnson County.

The updated warning was issued at 3:11 p.m. due to a storm spotted seven miles southwest of Jonesborough. The storm is moving east at 40 mph and is capable of producing damaging winds of 60 mph or more.

UPDATE: 3:00 p.m.

A severe thunderstorm warning issued for Sullivan County has been extending until 3:30 p.m., according to the NWS-Morristown.

The extended warning is also in effect for Carter and Johnson counties in Northeast Tennessee.

UPDATE: 2:44 p.m.

The National Weather Service has issued another severe thunderstorm warning for Kingsport and surround areas until 3 p.m.

A severe thunderstorm capable of producing damaging winds in excess of 60 mph was spotted nine miles west of Gate City at 2:18 p.m.

Forecasters said the storm is considered dangerous and anyone in its path should prepare immediately for damaging winds.

Locations in the storm's path include Kingsport, Gate City, Weber City, Hiltons, Colonial Heights, Mount Carmel, Bloomingdale, Blountville and the Tri-Citites Airport, among others.

A severe thunderstorm watch for Northeast Tennessee and Southwest Virginia has also been extended until 8 p.m.

UPDATE: 1:35 p.m.

NWS Morristown has extended it's severe thunderstorm warning until 2:30 p.m. for Northeast Tennessee, including Sullivan, Hawkins, Washington and Greene counties. Lee and Scott counties in Southwest Virginia are also part of the warning area.

This storm was observed 10 miles east of Rogersville moving southeast at 45 mph, forecasters said. Doppler radar reported some "weak rotation" within the storm. While not immediately likely, forecasters said a tornado could still develop from the storm. The storm is capable of producing damaging winds and quarter-sized hail.

UPDATE: 1:00 p.m.

NWS Morristown has now issued a severe thunderstorm warning for far Southwest Virginia and portions of Northeast Tennessee.

According to the NWS, the warning was issued a 12:55 p.m. and will remain in effect until 1:45 p.m. for Sullivan, Hawkins and Hancock counties in Tennessee and Lee and Scott counties in Southwest Virginia.

The severe thunderstorm watch issued earlier will still remain in effect until 7 p.m.

NWS Doppler radar indicated a severe line of thunderstorms six miles southeast of Jonesville, Va. that is capable of producing quarter-sized hail and damaging winds in excess of 60 mph.

The storm system was reportedly moving east at 50 mph. 

Locations in the path of the storm include Gate City, Weber City, Duffield, Clinchport, Hiltons, Nickelsville, Okolona, Mount Carmel and Bloomingdale. 

Forecasters said the storm is expected to bring damaging winds, destructive hail and deadly cloud to ground lightning. Anyone outdoors is advised to move to shelter, preferably away from windows.

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UPDATE: 12:24 pm

The National Weather Service storm prediction center in Norman, Okla. has issued a severe thunderstorm watch for much of Northeast Tennessee and Southwest Virginia until 7 p.m.

Counties in the watch area include Sullivan, Hawkins, Washington, Greene, and others, in Tennessee, and all of Southwest Virginia, including Scott, Lee and Wise counties and the city of Norton.

Southwest Virginia is also under a significant weather advisory until 1 p.m.. This advisory also includes Scott, Lee and Wise.

Forecasters issued the advisory after a line of thunderstorms was seen near the Kentucky-Virginia border moving east at 45 mph. The storm is expected to carry gusts of up to 40 mph. The storm could also intensify.

Isolated to widely scattered showers and thunderstorms are expected to continue develop and move southeast out of Kentucky and into Southwest Virginia and portions of Northeast Tennessee. Forecasters said stronger storms could bring up to a half-inch of rain per hour.

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KINGSPORT — Possible severe storms with damaging winds and heavy rain are expected to move through the region this afternoon, with the National Weather Service in Morristown issuing a hazardous weather outlook for large portions of Northeast Tennessee and Southwest Virginia.

The hazardous outlook will be in effect through tonight and includes Sullivan, Hawkins, Washington and southeast Greene counties in Tennessee and Scott, Lee, Wise, Russell and Washington counties in Virginia.

Forecasters said they expect a cold front moving southwest to bring showers and some severe thunderstorms to the region, along with high winds and damaging hail.

Locally heavy rainfall could also be experienced, although amounts are expected to total between a tenth and a quarter of an inch.

In Kingsport, forecasters are calling for an 80 percent chance of thunderstorms with a high temperature approaching 86. Winds of 10 to 15 mph are expected, with gusts as high as 25 mph.

Friday's forecast calls for mostly sunny weather with a high near 82, while Saturday will be sunny with a high near 87.

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