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Samantha Grevas History/Political Science College of Arts and Sciences

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Which of the following official sports balls is closest in diameter to the largest recorded hailstone in the United States? Golf Ball 1.68 Inches Tennis Ball 2.7 Inches Softball 3.82 Inches Volleyball 8.15 Inches Basketball 9.4 Inches

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Which of the following official sports balls is closest in diameter to the largest recorded hailstone in the United States? Golf Ball 1.68 Inches Tennis Ball 2.7 Inches Softball 3.82 Inches Volleyball 8.15 Inches Basketball 9.4 Inches The largest recorded hailstone in United States history fell in South Dakota on July 23 rd, 2010. It measured 8.0 inches in diameter and weighed an amazing 1.94 pounds, also breaking the record for heaviest weight.

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What is a Hailstorm? How are hailstones formed? How costly can hailstorms really be? What is done to prevent hailstone damage?

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What is a hailstorm? Severe weather event Hard chunks of ice from cumulonimbus cloud formations Billions in damage to property, agriculture, and etc.

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How are hailstones formed?

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How costly can hailstorms really be?

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$1,245.49 $75.04 How costly can hailstorms really be? 2,641,060 120,048

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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?

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Costliest natural disaster in Australias history was a hailstorm April 14 th, 1999 500,000 tonnes of hailstones Total damage 2.3 billion dollars How costly can hailstorms really be?

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What is done to prevent hailstone damage? The Worlds Only System of Automobile Protection Inflatable protective covering for automobiles Remote control for inflation Text/Email hail warnings

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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?

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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

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Dangerous severe weather event Caused by updraft thunderstorm winds Silly car balloons House upgrades Not being this guy: Billions of dollars of damage Loss of human life

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Questions?

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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

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http://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_Tenn is_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_.JPG http://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/53a30744e4b01c7e0c05 cb54/1403193163609/