<br /> <p>A video timelapse shows thunderstorms and hail over Cypress Hill Interprovincial Park</a>, at the southeast corner of Alberta and southwest corner of Saskatchewan.</p><p>Environment Canada</a> issued a severe thunderstorm warning on the afternoon of June 1 for parts of southern Alberta</a>. The country’s weather agency was “tracking a severe thunderstorm capable of producing very strong wind gusts, up to nickel-size hail and heavy rain.”</p><br />
