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Costly Hail Storms in the U.S. Hail No By: Sarah Arnold Criminology and Political Science College of Arts and Sciences.

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Presentation on theme: "Costly Hail Storms in the U.S. Hail No By: Sarah Arnold Criminology and Political Science College of Arts and Sciences."— Presentation transcript:

1 Costly Hail Storms in the U.S. Hail No By: Sarah Arnold Criminology and Political Science College of Arts and Sciences

2 Hail Formation More Updraft More Rings Larger Hailstones

3 Types of Hail Damage Automobile Damage Crop Damage Building Damage

4 Factors that Affect Hail Damage Hail Characteristics – the size of hailstones – number of hailstones that fall per unit area – strength of winds during a hail fall Target Characteristics – Crop Characteristics – Property Characteristics

5 Property Damage by Hail Size Quarter-size (1 inch) – Damage to shingles Golf ball (1.75 inches) – Dents on Car Baseball (2.75 inches) – Windshields smashed Softball (4.5 inches) – Holes in roofs

6 Hail Storm Damage

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9 Hail Alley Dry Warm Air Cold Mountain Updrafts Moist Warm Air

10 Dallas Hailstorm: 3 rd Costliest Hailstorm in U.S. History 5 May, 1995 – Hail up to softball size – 70 mph winds – Flash flooding

11 Total Cost of Damage: $1.1 billion

12 St. Louis Hailstorm: 2 nd costliest Hail storm in U.S. History April 28, 2012 – 2 waves of supercell thunderstorms – Hail up to softball size – mph winds

13 Total Cost of Damage: $1.6 billion

14 Kansas City Hail Storm: Costliest Hail Storm in U.S. History April 10, 2001 – Long-lived high-precipitation supercell thunderstorm – Winds over 70 mph – 9 weak tornados

15 $1.9 billion Total Cost of Damage:

16 Main Points Hail Formation Types of Hail Damage – Crop Damage, Automobile Damage, Building Damage Trends – Hail occurs most often in the Summer – Hail occurs most often in the great plains – The number of severe hail storms annually is increasing Costliest Hail Storms in U.S. History – $1.1 billion: Dallas 1995 – $1.6 billion: St. Louis 2012 – $1.9 billion: Kansas City 2001

17 Hail News Awesomeness

18 Sources Storm_05.jpg e= df https://www.nicb.org/newsroom/news-releases/hail-damage-claims-in-the-us


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