we re finding more. we have mass casualty response. reporter: from the air, a view of the destruction, winds snapping trees. and flipping the tractor-trailer. all of this on the heels of strong storms wednesday night in the northeast. skies opening up over yankee stadium. it is dangerous conditions now at yankee stadium. reporter: at the famed saratoga springs racetrack in new york, spectators clearing out moments before lightning demolished this tree. it was an explosion like somebody put dynamite in it and blew it up. reporter: still up along the cold front, along the mountains, you ll see red flag warnings in effect. so gusty winds and not the best for the way of fire conditions. at least a little bit more moisture. and the southwest, not as hot but still plenty of triple digits. ginger zee, abc news, new york. in addition to the heat, scatter the showers and thunderstorms. from the west, arizona and new mexico, colorado and utah, stormies at times and wind in the cent
winds up to 100 miles an hour, tearing along the eastern shore of virginia, killing a couple from new jersey and injuring more than two dozen people. look at the tree. the guy s camper! reporter: the winds twisting trailers and mangling trees. golf ball-sized hail accompanying a frightening soundtrack to this storm. more than 1300 panicked campers huddling for safety. we re in a 37-foot motor home and it started rolling back and forth, and we re hearing stuff slamming. reporter: a countywide state of emergency. we were in the eye of this tornado, pretty much what it felt like and it seemed like. it was scary. reporter: ambulances rushing in. we ve had at least 20 people in a re-triage area. we re still finding more. we have mass casualty response. reporter: from the air, a view of the destruction, winds snapping trees. and flipping this tractor-trailer.