In North America,conditions necessary to turn an ordinary thunderstorm into a tornado-spinning monster include _________________.

Question

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The conditions necessary to turn an ordinary thunderstorm into a tornado include a low-altitude, northerly flow of warm, humid, tropical air from the Gulf of Mexico, a cold, dry air mass moving at high speeds (whether from Canada or the Rocky Mountains), and very fast jet-stream winds. These conditions together create the instability and wind shear needed for tornado formation.

In North America,conditions Necessary to Turn an Ordinary Thunderstorm into a Tornado-Spinning