rockdale, herndon, these areas are going to get rocked. gainesville, get ready for these storms coming out of marshall and the plains. this is going go down over toward warrenton and probably in the d.c. metro, give it an hour or so or less, these storms are marriaging 20 to 30 miles per hour. we still have a severe thunderstorm watch for just about everybody until 9:00 p.m. those warnings we were looking at, 7:45, loudoun, i believe it's going to 7:45. i just saw the information there. lots going on. this should be winding down over the next few hours. anita? >> we'll be coming become do you through the newscast if anything changes. >>> a family is being treated after an accident when two vehicles collided and then ran over a kiddie pool. >> reporter: two suvs collide, sending one careening through a fenced yard, running over four children in a kiddie pool at 3:30 on a hot afternoon. even police were shocked by the results. >> you think you're in a safe area in a fenced yard. the last thing you think is for a vehicle to come through a fen

man: right now, we're at the bottom of the rockdale construction shaft. we're 310 feet below grade, deep under atlanta in hard rock. in the downtown area of atlanta, the sewer system and the stormwater system are combined and there are overflows during storm events, and so the purpose of this system is to relieve that flow, take it into the tunnel, transport it to a brand-new treatment plant, clean up the chattahoochee river. narrator: instead of the combined sewage overflowing into the river, it will flow into this tunnel that acts as a storage tank. the water will then slowly empty into the new plant for treatment before it's released back into the river. man: the system in total is about 8 1/2 miles, 27 feet in diameter. most of the time it will be dry. the only time it will fill is when the sewer system is overwhelmed by the storm. it is a massive project. our budget was $210 million. we've worked about a million and a half man-hours. hunter: it is an incredible amount of work. our capital program right now is $3.9 billion. over a period of less than