in June 2020 we had a hail storm that at latest count has caused $1.7 billion dollars in damages. It’s the 4th most expensive natural disaster in Canadian history. Insurance companies have been using cloud seeding to try to reduce the size of the hail but it didn’t stop this disaster from happening.

Last weekend's massive storm likely damaged 20,000 Calgary homes, officials say | CBC NewsAs Calgarians continue to assess the damage after last weekend's torrential rain and hail, the city's leaders charted the next steps in Calgary's response.www.google.ca

The cloud seeding article is in the comment below

No rest for Alberta's cloud seeders in a summer of monster hailstormsThe society operates weather radar stations at the Olds-Didsbury airport, three planes in Springbank and two in Red Deer. When a possible hailstorm is identified, its pilots fly into action to "treat" the clouds with silver iodide and smoke particles. These chemicals form ice crystals that compete for moisture with existing ice crystals in the clouds.calgaryherald.com

Cloud seeding or geoengineering efforts at reducing the size of hailstorms in Calgary.