Perfect storm for more hail hazards in major cities

Major cities are more likely to have hail storms than other parts of the nation, researchers say. (Mick Tsikas/AAP PHOTOS)

Hail storms will increase in frequency and intensity and are more likely to wreak havoc across Australia's most populous cities.

Researchers studying changing atmospheric patterns across the country found the number of days where the atmosphere has all the required ingredients for a hailstorm to form has increased in heavily populated areas.