On Saturday, July 31, 1976 almost 4,000 people were enjoying the serene beauty of the Big Thompson Canyon. During the evening an intense thunderstorm stalled over a small portion of the canyon, dropping 10 or more inches of rain in a 3-hour period. Because of the steep mountain topography, the rainfall quickly concentrated and formed a virtual "wall of water" which displaced everything in its path. The Big Thompson flood has provided a grim reminder...

A hospital is preserved, afloat, after the Earth is flooded beneath seven miles of water. Inside, doctors and patients are left to remember the world they've lost and to imagine one to come. At the center, Jemma Claflin, a medical student, finds herself gifted with strange powers and a frightening destiny.

The State of Colorado has developed an interactive mapping applications to provide a statewide clearinghouse of flood-hazard and related information.