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TRANSCRIPT
What is Hail?
• Hail is a damaging form of precipitation that is similar to a small chunk or ball of solid, hard ice.
Is sleet the same as hail?
• No, sleet is winter precipitation in the form of small pellets of ice.
• It can make a thin sheet of ice on anything.
How does hail start?
• Hail starts as tiny pellets that collide with water droplets that get thrown up and down in the cloud until they are heavy enough to fall.
= ice pellets
Features of hail
• Hail has many layers form being thrown up and down in the cloud.
• Hailstones can be as big as baseballs.
How does sleet occur?
• It starts when snowflakes that melt into raindrops when passing through warmer air.
• Then they refreeze into ice particles.
WARM AIR
COLD AIR
REFREEZE
Where does hail and sleet occur?
• Hail and sleet occur most everywhere, however some places get more severe storms than others.
= severe hail
= severe sleet
What can hail do to humans?
• If hailstones are large enough, they can knock humans unconscious or even kill them.
What to do if Hail Occurs
• Go inside your house or a covered shelter.
• Avoid going outside unless absolutely necessary.
• Listen to a local radio or TV station to see when it is safe to come out of cover.
• Stay off of phones and other appliances during a hail storm.
Can hail effect businesses?
• YES! Hail has been responsible for billions of dollars worth of crop damage and livestock deaths
How can hail affect us?
• Can cause more than $500 million in damage annually.
• A hailstorm in Prescott Arizona last year destroyed all the cars and trucks at one of the car distributorships
Wacky facts
• When hailstones rise and fall, they hit each other, make electric charges, and lightning occurs.
• Hail falls in the Nandi Hills of Kenya, Africa about 132 days a year!
Other Cool Facts
• The largest hailstone ever fell on Coffeyville, Kansas in 1970. It measured 17.5 inches in circumference and weighed 1.67 pounds.