Science Quiz 24, Chapter 9, pp. 261-266 Flashcards
A long line of thunderstorms, usually along a cold front, is called a ____
squall line
What is the most powerful type of thunderstorm?
supercell
A stream of negative charge that travels down the path of a previous lightning strike is a ____
dart leader
The upward flow of positive charge that forms the brilliant flash of a lightning bolt is the ___
return stroke
What term describes air that is warm near the ground but very cold at higher altitudes?
unstable
What is the first stage of a thunderstorm?
cumulus stage
What is the final stage of a thunderstorm?
dissipating stage
What phenomenon occurs when heat from lightning causes the air to expand explosively, forming a shock wave of sound?
thunder
What is an abrupt discharge of electricity through the air that produces a quick flash of bright light?
lightning
What is the general term for concentrated blasts of cool wind that form during a thunderstorm?
downbursts