Changes

While it is nearly impossible to ascribe the cause of a single event to the broader issue of climate change, the trend is clear: an increasing number of high-intensity, short-duration (HISD) events are impacting our urban areas, exacerbating the stresses on overtaxed stormwater infrastructure. The figure below highlights a series of seven recent extreme rainfall events which have struck the Greater Toronto and Hamilton Area (GTHA).   

While it is nearly impossible to ascribe the cause of a single event to the broader issue of climate change, the trend is clear: an increasing number of high-intensity, short-duration (HISD) events are impacting our urban areas, exacerbating the stresses on overtaxed stormwater infrastructure. The figure below highlights a series of seven recent extreme rainfall events which have struck the Greater Toronto and Hamilton Area (GTHA).   

Caption: Six notable extreme rainfall events have occurred within the past thirteen years in the GTHA, resulting in damages due to flooding.

Caption: Six notable extreme rainfall events have occurred within the past thirteen years in the GTHA, resulting in damages due to flooding.