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Hailstorms
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Discover the extreme weather phenomenon of hailstorms and their potential to cause serious damage.
What is the difference between hail and sleet?
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Hailstones are larger and formed by thunderstorms, while sleet is smaller and formed by freezing raindrops.
What is the term used to describe the process of hailstones providing water for plants and animals?
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Hail irrigation
What is the term used to describe the process of hailstones challenging engineering design?
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Hail resistance
What is the term used to describe the process of hailstones promoting scientific research?
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Hail investigation
What is the term used to describe the process of hailstones falling repeatedly through a thunderstorm's updrafts and downdrafts?
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Ping-ponging
What is the term used to describe the process of hailstones disrupting transportation and communication?
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Hail disruption
What causes the formation of hailstones?
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Updrafts in thunderstorms
What is the scientific name for hailstones?
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Graupel
What is the term used to describe a hailstorm with stones larger than golf balls?
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Supercell
What is the term used to describe the process of hailstones influencing human culture?
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Hail symbolism
What is the minimum diameter of hailstones to be considered 'severe'?
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1 inch (2.5 cm)
What is the largest recorded hailstone diameter?
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7.9 inches (20 cm)
What is the most common shape of hailstones?
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Spherical or oblong
What is the term used to describe the area where hailstones accumulate on the ground?
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Hail swath
What is the name of the insurance policy that covers hail damage to property?
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Hail damage insurance
What is the term used to describe the layer of ice that forms on top of hailstones during wet growth?
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Rime
What is the minimum size for hail to be considered severe?
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1 inch (2.5 cm)
Which country holds the record for the heaviest hailstone ever recorded?
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Bangladesh
What is the name of the mammal species that can survive being hit by hailstones?
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Human
What is the name of the bird species that is known to use hailstones as tools to crack open nuts?
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Green jay
What is the term used to describe the process of hailstones inspiring artistic expression?
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Hail creativity
What is the term used to describe the process of hailstones affecting wildlife behavior?
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Hail disturbance
What is hail?
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Frozen precipitation that forms into balls or irregular lumps
What is the process called when hailstones grow by colliding with supercooled water droplets?
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Accretion
What is the primary factor that determines the size of hailstones?
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Updraft strength
What is the name of the type of hailstorm that occurs in the tropics?
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Ice ball storm
What is the term for a hailstone's trajectory through a thunderstorm?
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Hailstone trajectory
What is the name of the vegetable that is susceptible to damage from hail?
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Corn
What is the term used to describe the process of hailstones injuring people and animals?
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Hail injury
What is the term for the rapid cooling of supercooled water droplets upon contact with a hailstone?
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Riming
What is the minimum altitude at which hail formation typically begins?
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20,000 feet (6,096 meters)
Which country experiences the most hailstorms annually?
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India
What is the average forward speed of a hailstorm?
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30 mph (48 km/h)
What is the minimum distance between the ground and the base of a cloud required for hail formation?
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5,000 feet (1,524 meters)
What is the name of the mountain range that experiences frequent hailstorms due to its high elevation?
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Rocky Mountains
What type of aircraft is often used to study hailstorms?
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Unmanned aerial vehicles (UAVs)
What is the term used to describe the process of hailstones cooling down the atmosphere?
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Hail refrigeration
What is the name of the wind shear phenomenon that can cause hailstones to rotate and grow larger?
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Mesocyclone
What is the primary method used to protect crops from hail damage?
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Hail netting
What is the most common shape of hailstones?
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Spherical
What is the term used to describe the process of hailstones killing people and animals?
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Hail fatality
What is the term used to describe the process of hailstones triggering landslides and avalanches?
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Hail mass wasting
What is the term used to describe the process of hailstones destroying crops and buildings?
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Hail loss
During which season do hailstorms occur most frequently in the United States?
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Spring
What is the name of the insect species that can survive being hit by hailstones?
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Cockroach
What is the term for the vertical wind shear that can enhance hail growth?
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Streamwise vorticity current
What is the world record for the largest hailstone circumference?
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18.75 inches (47.6 cm)
What is the term for the process by which hailstones grow in size?
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Accretion
Which of these factors does NOT influence hailstone shape?
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Atmospheric pressure
What is the term for the region where hailstones form within a thunderstorm?
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Hail growth zone
What is the term used to describe the layer of ice that forms on top of hailstones during dry growth?
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Clear ice
What is the name of the country that experiences the most hailstorms per year?
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India
What is the term used to describe the process of hailstones creating beautiful landscapes?
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Hail scenery
What is the term used to describe the process of hailstones stimulating economic activity?
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Hail business
What is the name of the moon that experiences hailstorms?
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None
Which layer of the atmosphere do hailstorms primarily occur in?
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Troposphere
What is the term used to describe the process of hailstones delaying or canceling outdoor events?
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Hail postponement
What is the average speed at which hailstones fall from the sky?
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Around 50 mph
What is the minimum diameter of hailstones to be classified as a hailstorm?
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0.75 inches
What is the maximum reported fall speed of hailstones?
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120 mph (193 km/h)
What is the name of the phenomenon where hailstones accumulate on the ground like snow?
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Hail drifts
What is the name of the layer of the atmosphere where hailstones form?
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Troposphere
What is the name of the tool used to measure the size of hailstones?
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Hail pad
What is the average speed at which hailstones fall?
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Up to 100 mph (160 km/h)
What is the name of the scale used to measure hail damage to crops?
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Hail Damage Assessment Scale (HDAS)
What is the term for the area where hail falls from a thunderstorm?
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Hail swath
What is the name of the device used to fire silver iodide into clouds to prevent hail formation?
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Cloud seeding generator
What is the name of the cloud type associated with hailstorms?
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Cumulonimbus
What is the name of the city that holds the record for the most expensive hailstorm in history?
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Munich, Germany
Which of these weather conditions is NOT typically associated with hailstorms?
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Blizzards
What is the term used to describe the process of hailstones breaking windows and damaging cars?
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Hail damage
In what year was the costliest hailstorm in US history, causing over $2 billion in damages?
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2020
What is the name of the state that experiences the most hailstorms in the United States?
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Texas
What color represents hail on a typical radar reflectivity image?
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Purple
What is the term used to describe the process of hailstones generating electricity?
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Hail electrification
What meteorological phenomenon can cause a hailstorm to produce softball-sized hailstones?
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Supercell thunderstorm
What causes the layered appearance of some hailstones when cut open?
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Alternating clear and opaque ice layers
What is the scientific name for the study of hail?
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Hailology
What is the process called when hailstones melt and refreeze before reaching the ground?
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Wet growth
What is the name of the reptile species that can survive being hit by hailstones?
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Turtle
What is the term used to describe the process of hailstones testing insurance coverage?
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Hail claim
What is the name of the material used to protect cars from hail damage?
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Hail netting
What is the name of the fruit that is susceptible to damage from hail?
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Apple
What type of damage is most commonly caused by hailstorms?
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Property damage
What is the main source of energy for hailstorm development?
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Latent heat release
Which of these instruments is commonly used to measure hailstone size?
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Hail pad
What is the name of the sport that involves throwing hailstones at targets?
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Hail tossing
What type of clouds are typically associated with hailstorms?
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Cumulonimbus
What is the name of the animal that was killed by a hailstone weighing 1.8 pounds (0.82 kg) in 2003?
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Kangaroo
What is the term used to describe the process of hailstones melting and causing flooding?
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Hail flood
What is the name of the planet that experiences hailstorms?
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Earth
Which US state experiences the most hailstorms annually?
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Texas
What is the term for the boundary between updrafts and downdrafts in a thunderstorm?
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Flanking line
Which of these factors does NOT affect hailstone terminal velocity?
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Air pressure
What type of weather radar is used to detect hail within thunderstorms?
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Doppler radar
What is the size of a hailstone typically measured in?
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Inches or centimeters
What is the name of the flower that is susceptible to damage from hail?
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Rose
What is the largest recorded diameter of a hailstone?
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8 inches
What is the term for the radar signature associated with large hail?
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Three-body scatter spike