Severe Weather and Supercells (Lesson 2)

What is the top of a supercell chopped off by?

• Downdraft

• Inflow

• Wind shear

• Precipitation

Fill in the blank: It is not uncommon for a supercell to spawn long-lived ______.

• Hurricanes

• Tornadoes

• Cyclones

• Storms

How fast can the updrafts in a supercell be?

• 100 km/h

• 150 km/h

• 200 km/h

• 240 km/h

What role does heat play in the development of storms?

• It initiates cloud formation.

• It increases storm intensity.

• It causes rain to fall.

• It disperses storm clouds.

What is the estimated number of thunderstorms that occur each year in the United States?

• 50,000

• 75,000

• 100,000

• 125,000

Microbursts are especially deadly because of their ________.

• Large size

• Long duration

• Small size

• High predictability

Which of the following is true about macrobursts?

• They are smaller than microbursts

• They have winds exceeding 250 km/h

• They can last up to 30 minutes

• They are easy to predict.

What is the term for the swirling column of air in a tornado?

• Vortex

• Cyclone

• Hurricane

• Typhoon

Which of the following best describes a 'Phenomenon' in academic terms?

• An observable event or occurrence

• A type of natural disaster

• A hypothesis in science

• A seasonal climate change

The twisting column of wind in a tornado can be tilted from a ______ to a vertical position.

• diagonal

• horizontal

• circular

• spiral