Webthe record rainfall caused widespread power outages and shut down several major traffic routes. At the height of the storm almost 100 millimetres of rain fell. Weba number of people had to be pulled to safety saturday afternoon as heavy rain quickly flooded parking lots, streets, and highways across the greater toronto. Weba second major rainstorm in just eight days has flooded a key road again, caused a sewage bypass and disrupted transit in the city. On wednesday afternoon, a.