Weather What weather conditions are most likely to cause thunderstorms and tornadoes? Prentice Hall - Science Explorer. Asked by BookRagsHelper 12 years ago 12/31/2012 4:01 AM Last updated by anonymous 12 years ago 1/2/2013 12:33 AM
Very warm, humid weather followed by a cold front. Where the two meet, there will be thunderstorms and potentially tornadoes.