Hailstone Formation and Characteristics

The video discusses the impact of hailstorms in North Texas, highlighting the 1995 Mayfest event. It explains hailstone sizes, their potential damage, and the speed at which they fall. The formation of hailstones in thunderstorms is detailed, and regions most prone to hailstorms, such as the area where Nebraska, Colorado, and Wyoming meet, are identified.

What was significant about the May 1995 hailstorm in Fort Worth?

• It was the first recorded hailstorm in Texas.

• It caused over 400 injuries but no deaths.

• It only affected uninhabited areas.

• It was the deadliest hailstorm in history.

At what size does hail become severe enough to cause damage?

• Pea-sized

• Grapefruit-sized

• Nickel-sized

• Quarter-sized

What is the largest size category for hailstones mentioned in the video?

• Softball-sized

• Baseball-sized

• Tennis ball-sized

• Grapefruit-sized

Which factor does NOT affect the speed of a falling hailstone?

• Size of the hailstone

• Color of the hailstone

• Local wind conditions

• Degree of melting

What is the estimated speed range for hailstones less than 1 inch in diameter?

• Over 100 mph

• 44 to 72 mph

• 25 to 40 mph

• 9 to 25 mph

How do hailstones grow larger in thunderstorms?

• By splitting into smaller pieces

• By melting and refreezing

• By colliding with liquid water droplets

• By absorbing sunlight

What happens when a hailstone becomes too heavy for the updraft to support?

• It splits into smaller pieces

• It melts completely

• It falls to the ground

• It evaporates

Which of the following is NOT a factor in hailstone formation?

• Thunderstorm updrafts

• Extremely cold atmospheric areas

• Collisions with other hailstones

• Sunlight exposure

Which area is known as Hail Alley?

• The coastal regions of California

• The deserts of Arizona

• The southern tip of Florida

• Where Nebraska, Colorado, and Wyoming meet

What is a hail swath?

• A type of hailstone

• A path of hail damage

• A method of predicting hailstorms

• A measurement of hail size