Flooding

In the aftermath of September flash floods in Colorado, landslides mar the Rocky Mountains all the way down to the foothills. Geologists warn that rockfalls will be more common for years.

Torrential rains in northern Colorado in mid-September created viscous flash floods that tore through mountain towns. Flood researcher Robert Brakenridge was among those stranded in Lyons, Colo.

Images from Lyons, Colo., a mountain town temporarily cut off from the world during flooding in September 2013. The flooding left the town unlivable for the time being.

It's a race against Mother Nature to reopen major travel routes in time for winter tourism.

Nebraska residents are bracing for the river surge that began approaching the state border from Colorado at midnight Tuesday (Sept. 17).

Contrary to suggestions by some Internet users, scientists say that Colorado's cloud seeding program cannot feasibly be to blame for the recent flooding in the state.