During the nationals at Marfa (1969) several gliders were flying near Alpine, Tx. I had my new 301 Libelle at 14000 feet or so when a tornado came out of a big cu with cloud base above 15000 feet. It worked it's way to the ground. Not knowing what to expect I opened speed brakes and landed at the Alpine airport.

John Ryan (Rainco) 1T some how got more involved with the tornado. Thereafter his callsign became one tornado

AH