NEW : 650 homes were destroyed and 650 damaged , The National Weather Service says . NEW : the Red Cross says About 250 tornado rated an EF-3 . NEW : About 250 departures and 250 arrivals were canceled , a D/FW Airport spokesman says . About 200 tornadoes might have touched down in north Texas .
NEW : About 200 homes were destroyed and 650 damaged , the Red Cross says . NEW : The National Weather Service says one tornado rated an EF-3 . NEW : About 250 departures and 250 arrivals were canceled , a D/FW Airport spokesman says . Between six and 13 tornadoes might have touched down in north Texas .