Tornadoes Flashcards
What happens in the dust whirl stage of a tornado?
Does swirling upward from the surface marks the tornado circulation on the ground and a short final offer extends down word from the tornadoes base
What is a waterspout?
A rotating column of air that is connected to a cumuliform cloud over a large body of water
What areNon-supercell tornadoes?
Tornadoes that do not occur in association with a mid-level mesocyclone
What is the most common time of year to see tornadoes?
Spring
What are supercell tornadoes?
Tornadoes that form with supercell thunderstorms
First stage of a tornado?
Dust whirl stage
What happens during the decay stage of a tornado?
Normally the tornado was stretched into the shape of a rope and becomes greatly contorted before it finally dissipates
What happens in the mature stage of a tornado?
Damages most severe as the final reaches its greatest with an almost vertical
Funnel cloud
A visible funnel that does not touch the ground
What is a tornado?
A rapidly rotating column of air, extending down from cloud
Scale is used to measure the damaging effects of tornadoes?
The enhanced fujita scale
Is the second stage of a tornado?
Mature stage
Most North American tornadoes rotate _________ around their central core of _____ pressure
Counterclockwise, low
What does the EF scale look at?
Inflicted damage versus wind speed
Was the third and final stage of a tornado called?
The decay stage
