In Canada, Chinook windstorms tear through Alberta and Saskatchewan, producing a dust storm in downtown Calgary and causing millions of dollars in damage. The windstorms fuel a grass fire that grows to two kilometres wide near Lethbridge, Alberta, before being contained, and gusts reach a maximum speed of 149 km-h. [http:--news.nationalpost.com-2011-11-28-lufthansa-flight-makes-dramatic-landing-in-149kmh-calgary-windstorm- ("National Post")] [https:--web.archive.org-web-20120101230628-http:--www.calgaryherald.com-going+unpredictable+winter+Calgary+weather-5781620-story.html ("Calgary Herald")] [https:--montrealgazette.com-news-calgary-Monitoring+system+predicted+storm+mobilized+emergency+crews-5780260-story.html ("Montreal Gazette")] [https:--web.archive.org-web-20111202004851-http:--www.medicinehatnews.com-front-page-news-battling-a-30-foot-wall-of-flame-11292011.html ("Medicine Hat News")] [http:--www.metronews.ca-calgary-local-article-1035649--wind-swept-residents-report-near-misses ("Metro News")]date=August 2019