The Storm Prediction Center has issued a Severe Thunderstorm Watch effective until 1am for the following counties, Adams, Clarke, Decatur, Ringgold, Taylor, Union and Wayne. The main threats will be from large hail and damaging winds. An isolated tornado is not out of the question either, at least for a few more hours. Rain could be heavy at times as well, but flash flooding is not antcipated at this time.