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Samantha Grevas History/Political Science College of Arts and Sciences. Costly Hailstorms. Pop Quiz. Which of the following official sports b alls is closest in diameter to the largest recorded hailstone in the United States?. Basketball 9.4 Inches. Tennis Ball 2.7 Inches. Softball

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Samantha Grevas

History/Political Science

College of Arts and Sciences

Costly Hailstorms


Pop Quiz

Which of the following official sports balls is closest in diameter to the largest recorded hailstone in the United States?

Basketball

9.4 Inches

Tennis Ball

2.7 Inches

Softball

3.82 Inches

Golf Ball

1.68 Inches

Volleyball

8.15 Inches


Pop Quiz

Which of the following official sports balls is closest in diameter to the largest recorded hailstone in the United States?

Basketball

9.4 Inches

Tennis Ball

2.7 Inches

Softball

3.82 Inches

Golf Ball

1.68 Inches

Volleyball

8.15 Inches

The largest recorded hailstone in United States history fell in South Dakota on July 23rd, 2010. It measured 8.0 inches in diameter and weighed an amazing 1.94 pounds, also breaking the record for heaviest weight.


Overview

What is a Hailstorm?

How are hailstones formed?

How “costly” can hailstorms really be?

What is done to prevent hailstone damage?


What is it?

  • Severe weather event

  • Hard chunks of ice from cumulonimbus cloud formations

  • Billions in damage to property, agriculture, and etc.

What is a hailstorm?


Hail Formation

How are hailstones formed?



Damage? What kind of damage?

How “costly” can hailstorms really be?


Hail Damage Photos

How “costly” can hailstorms really be?


U.S. Hail Damage Statistics (2013)

2,641,060

$1,245.49

$75.04

120,048

How “costly” can hailstorms really be?


Deadliest Hailstorms – Deccan Plateau

  • Northern India/Bangladesh

  • Home to the largest hailstones in the world (2.25lbs)

  • April 14, 1986 – 92 people died

How “costly” can hailstorms really be?


Costliest Natural Disaster – Australia

  • Costliest natural disaster in Australia’s history was a hailstorm

  • April 14th, 1999

  • 500,000 tonnes of hailstones

  • Total damage 2.3 billion dollars

How “costly” can hailstorms really be?


“Hail Protector”

“The World’s Only System of Automobile Protection”

  • Inflatable protective covering for automobiles

  • Remote control for inflation

  • Text/Email hail warnings

What is done to prevent hailstone damage?


Home and Property

  • High Impact Roof Coverings

    • Underwriters Laboratories rating system – 4 protects against 2.0 inch steel ball

    • Roof slope of approximately 27 degrees also helps prevent damage

What is done to prevent hailstone damage?


Protecting Yourself

  • Stay indoors

  • If driving, take shelter (not under a tree)

  • Use plywood or tarps to cover windows/doors to prevent bodily injury from broken glass

What is done to prevent hailstone damage?


Review

Hail is…

  • Dangerous severe weather event

  • Caused by updraft thunderstorm winds

Results in…

  • Billions of dollars of damage

  • Loss of human life

Can be prevented by…

  • Silly car balloons

  • House upgrades

  • Not being this guy:


http://www.crh.noaa.gov/abr/?n=stormdamagetemplate

http://www.topendsports.com/resources/equipment-ball-size.htm

http://www.weather.com/encyclopedia/thunder/hail.html

https://www.youtube.com/watch?v=2fiChKQLyQE

http://www.iii.org/fact-statistic/hail

http://www.ruralpovertyportal.org/country/home/tags/bangladesh

http://www.wunderground.com/blog/weatherhistorian/worlds-largest-hailstones

http://australiasevereweather.com/storm_news/1999/docs/9904-01.htm

http://www.nssl.noaa.gov/education/svrwx101/hail/

http://www.hailprotector.com/hail-alerting/

http://www.blueprintforsafety.org/doc.php?d=Hail_Mitigation_Techniques

Content Sources


http://upload.wikimedia.org/wikipedia/commons/7/7a/Basketball.pnghttp://upload.wikimedia.org/wikipedia/commons/7/7a/Basketball.png

http://blogs.mycentraljersey.com/softball/files/2013/05/softball-ball-210.jpg

http://www.chicagonow.com/prairie-state-prep-sports/files/2012/10/volleyball.jpg

http://img4.wikia.nocookie.net/__cb20120504075543/nintendo/en/images/3/3e/MTO_Tennis_Ball.png

http://thumbs.dreamstime.com/x/golf-ball-isolated-white-10601631.jpg

http://www.collectiondx.com/gallery2/gallery/d/560678-4/Deluxe-class+Decepticon+Hailstorm-+Robot+Mode+_head_.JPGhttp://fc06.deviantart.net/fs70/i/2013/140/2/3/samoyed___lulu_s_smile_by_gregan811-d53ft1c.jpg

https://www.disastersafety.org/wp-content/uploads/hail-1-inch-10-years.jpg

http://images.thefuntimesguide.com/wp-content/blogs.dir/62/files/hail-storm-by-tompagenet-thumb-480x640-16457.jpg

http://static.squarespace.com/static/52173347e4b0ccd55f4f28bb/t/53a30744e4b01c7e0c05cb54/1403193163609/

Image Sources


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