The U.S. Geological Survey said creek levels in Boulder had reached what experts call a 100-year flood level, Boulder, Colorado, Sept. 13, 2013. Photo: Scott Herron
Will Pitner is rescued by emergency workers and neighbor Jeff Writer after a night trapped outside on high ground above his home as it filled with water after days of record rain and flooding at the base of Boulder Canyon, Colorado, Sept. 13, 2013.
Boulder Creek flows at high speed next to a road closed off by debris from days of rain and flooding, at the base of Boulder Canyon, Colorado, Sept. 13, 2013.
Nick Carter shovels debris as heavy rains cause severe flooding in Boulder, Colorado, Sept. 12, 2013.