Costly Hail Storms in the U.S.Hail No By: Sarah ArnoldCriminology and Political Science
College of Arts and Sciences
Hail Formation
More Updraft More Rings Larger Hailstones
Types of Hail Damage
Automobile Damage
Crop Damage
Building Damage
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
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
Hail Storm Damage
Hail Alley
Dry Warm Air
Cold Mountain Updrafts
Moist Warm Air
Dallas Hailstorm:3rd Costliest Hailstorm in U.S. History
• 5 May, 1995–Hail up to softball size–70 mph winds–Flash flooding
Total Cost of Damage:
$1.1 billion
St. Louis Hailstorm: 2nd costliest Hail storm in U.S. History
• April 28, 2012–2 waves of supercell thunderstorms–Hail up to softball size–50-60 mph winds
Total Cost of Damage:
$1.6 billion
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
$1.9 billion
Total Cost of Damage:
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
Hail News Awesomeness
Sourceshttp://www.youtube.com/watch?v=zP_Kr6i7itM
http://www.youtube.com/watch?v=XjSD4sS87FMhttp://www.stayintouch.us/wp-content/uploads/2012/11/Molepole-Hail-Storm_05.jpg
http://en.wikipedia.org/wiki/List_of_costly_or_deadly_hailstormshttp://www.crh.noaa.gov/news/display_cmsstory.php?wfo=lsx&storyid=88129&source=0
http://dfw.cbslocal.com/2012/06/14/costliest-storms-ever-for-north-texas/http://journals.ametsoc.org/doi/full/10.1175//2549.1
http://www.mybiginsurance.com/auto-insurance/handle-hail-damage-car/http://www.crh.noaa.gov/lsx/?n=04_10_2001http://www.crh.noaa.gov/lsx/?n=04_28_2012http://www.ems.psu.edu/~diercks/miller.html
http://www.wunderground.com/blog/weatherhistorian/worlds-largest-hailstoneshttp://www.theweatherprediction.com/severe/gianthail/
http://wxguys.ssec.wisc.edu/2011/04/10/how-does-hail-form/http://meteorology.knoji.com/all-about-hailstorms-and-how-hail-forms/
http://atmo.tamu.edu/weather-and-climate/weather-whys/673-hail-formationhttp://www.prweb.com/releases/2013/3/prweb10558180.htm
http://www.xweather.org/hailstormhttp://www.wunderground.com/news/hail-dangers-costs-20130403?pageno=3
http://www.riskmeter.com/riskmeter/Resources/CDS%20Hail%20Research%20Paper.pdfhttp://www.isws.illinois.edu/pubdoc/CR/ISWSCR2009-12.pdf
https://www.nicb.org/newsroom/news-releases/hail-damage-claims-in-the-us