1979 Red River Valley Tornado Outbreak - Formation of The Tornadoes

Formation of The Tornadoes

A deepening low pressure system formed in Colorado as a warm front lifted north pulling warm, moist, unstable air. There was strong upper level dynamics all coming together to produce strong tornado-producing supercells. In the early afternoon hours, three supercell thunderstorms formed. They moved northeastward, and as a trio spawned families of tornadoes. These supercells caused the most damaging tornadoes of the outbreak. The first tornado formed near Crowell, Texas at around 3:05 P.M. About 35 minutes later, the first killer tornado of the outbreak ripped through Vernon and killed 11 people. Then the supercell spawned a tornado that killed three people in Lawton, Oklahoma. The second supercell spawned a tornado that moved 64 miles (103 km).

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