Hailstorm Alley

Hailstorm Alley is an area of south and central Alberta, Canada where hail storms are frequently produced. These storms frequently produce hail that is damaging to property. This area stretches from High River in southern Alberta, northward through Calgary, through Red Deer to Lacombe and then westward to Rocky Mountain House.[1] It is known to be one of the worst areas in the world for damaging hail produced by thunderstorms.[1]

Examples of previous storms

In 1991, the City of Calgary experienced a storm that caused $342 million in damages. At the time, it was the most damaging hail storm in Canadian history.[2]

Then on 12 July 2010, the City of Calgary experienced a storm that produced four centimetre wide hail stones. This storm caused $400 million in damages, beating the previous record.[3]

In August 2014, Hailstorm Alley experienced numerous severe storms that cost $450 million in insured damages. These storms were recorded in Calgary, Airdrie, Red Deer and Rocky Mountain House.[4]

Cloud seeding and insurers

In 1996, insurance companies formed the Alberta Severe Weather Management Society and began the Alberta Hail Suppression Project. This project uses cloud seeding techniques to lessen the severity of hail storms.[5][6] This society had budgeted $2.5 million in 2012 to run the suppression project, with the potential to save insurers many times this amount during one single storm by reducing claims.[7]

References

  1. 1 2 "Fire And Ice: Suppressing hailstorms in Alberta". Wings Magazine. Retrieved 2015-07-09.
  2. ↑ "The Most Destructive Hailstorms in Alberta History | Western Direct Insurance". Westerndirect.ca. Retrieved 2015-07-09.
  3. ↑ "Calgary hailstorm sets damage record". Cbc.ca. 11 August 2010. Retrieved 2015-07-09.
  4. ↑ "Damage from Alberta hail storm pegged at $450M". Global News. 4 September 2014. Retrieved 2015-07-09.
  5. ↑ "Alberta's cloud-seeding pilots see 2nd busiest year in 20 years". Cbc.ca. 23 August 2014. Retrieved 2015-07-09.
  6. ↑ "Alberta Hail Suppression Project". Weathermodification.com. Retrieved 2015-07-09.
  7. ↑ Erika Tucker (14 August 2012). "Fact file: Cloud seeding". Global News. Retrieved 2015-07-09.
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