Remembering the 2013 flood

On Sept. 9, 2013, a severe flood started along Colorado's Front Range, particularly impacting Boulder County. The flood continued through Sept. 15, 2024, causing widespread damage. The flood was triggered by an unusual amount of rainfall, surpassing what is expected in a 500-year flood event.

A 500-year flood event means there is a 0.2% chance of such a flood happening in any given year. The 0.2%...