Severe Weather

Thunderstorms are rainfall accompanied by:

How many thunderstorms are happening in the world right now?

• 100,000

• 200

• 600

• 2000

Which type of thunderstorm is this?

• Single-cell

• Squall-line

• Multi-cell

• Super-cell

Thunderstorms form when ______ air in the lowest layer of the atmosphere rises, this air causes water form the earths surface to evaporate

What causes wake turbulence?

• Mountainous range

• Wing-tip vortices

• Hot air

• Jet streams

“the giant currents that form when arctic air meets warmer air from the south”

• Air mass

• Thunderstorm

• Squall-line

• Jet stream

This precipitation starts off as snow, melts and refreezes by the time it hits the ground.

• Freezing rain

• Hail

• Snow

• Sleet

This transfer of electrons happens so quickly, it breaks the ____________, a phenomenon that produces thunder.

Turbulence is:

• Violent air flow from the ocean

• Wind from thunderstorms

• The irregular, chaotic and unpredictable flow of a fluid (like air or water)

What concept is this diagram portraying?