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Severe storms take aim at Calgary Stampede

The Calgary Stampede broke a new record in attendance on Saturday July 6th 2019 with 127 777 people, breaking the old daily record of 122 403 set last year. This brings the cumulative attendance at 156 230 for 2019, according to the Calgary Stampede website. However, today's show comes with the threat of severe weather, according to Environment Canada:


  • Area(s): Central and southern

  • Timing: Saturday afternoon into the overnight period

  • Threats: 2-5 cm hail, wind gusts up to 100 km/h and up to 50 mm/h rainfall

Thunderstorms are expected to develop Saturday afternoon along the foothills and in advance of a developing low pressure system in southern Alberta. These thunderstorms are expected to move to the east or northeast producing a variety of severe weather including nickel to golf ball sized hail, wind gusts up to 100 km/h and rainfall rates as high as 50 mm/h. Some of these thunderstorms may persist into the overnight hours near the Saskatchewan border.

Above is a simulated redpiction of what the radar might look like this evening. It shows strong storms around Calgary. Severe thunderstorm watches are now in place for parts of Alberta, however Calgary is not yet included:


10:38 AM MDT Saturday 06 July 2019 Severe thunderstorm watch in effect for areas in yellow:

Conditions are favourable for the development of dangerous thunderstorms that may be capable of producing damaging wind gusts, damaging hail and heavy rain. Thunderstorms will develop this afternoon along the foothills and through central Alberta. These thunderstorms will move to the northeast through the afternoon and into the evening. The watch area will be expanded as thunderstorms develop and progress through the day. Very large hail can damage property, break windows, dent vehicles and cause serious injury. Very strong wind gusts can damage buildings, down trees and blow large vehicles off the road. Remember, severe thunderstorms can produce tornadoes. Lightning kills and injures Canadians every year. Remember, when thunder roars, go indoors! Severe thunderstorm watches are issued when atmospheric conditions are favourable for the development of thunderstorms that could produce one or more of the following: large hail, damaging winds, torrential rainfall.

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