Do Invisible Tornadoes Exist? Why or Why Not

Q55: The region of greatest tornado activity shifts

Q56: Ordinary thunderstorms only last about one hour

Q57: The electrification of a cumulonimbus cloud appears

Q58: In an eastward moving thunderstorm,the most likely

Q59: An important principle in the electrification of

Q60: You are generally safe inside an automobile

Q61: Downdrafts spread throughout a thunderstorm during the

Q63: Which of the following factors is most

Q64: Which of the following would you not

Q65: The wind shear associated with several major