Rescuers can't reach people stranded by Colorado flooding

Rescuers can't reach people stranded by Colorado flooding

POSTED: Thursday, September 12, 2013 - 5:01pm

UPDATED: Thursday, September 12, 2013 - 5:29pm

An entire community cut off, firefighters huddled on the side of a mountain after water swept their truck away, and -- with rescue helicopters grounded -- no way to reach them.

This is the scene facing authorities Thursday in Boulder County, Colorado, in the wake of what Sheriff Joe Pelle called a "devastating storm" that dumped more than half a foot of rain on the region during a 19-hour period.

The widespread flash flooding washed out roads, pushed dams to their limits and beyond and killed at least three people along Colorado's Rocky Mountain range, from Boulder south to Colorado Springs.

The worst of the reported damage has come in Boulder County, where the National Weather Service reported that a 20-foot wall of water roared down a mountain canyon north of the city, temporarily trapping a firefighter in a tree. Although injured, the firefighter made it to a nearby home, sheriff's Cmdr. Heidi Prentup said.

Lyons, a small town of 2,000 near the foothills of the Rocky Mountains, was cut off by what city officials described as a 500-year flood. They took to Facebook to urge residents to prepare for up to three days on their own.

"We ask you to conserve resources during this time," the city said. "We are currently not able to get water or food into the town."

People were using the city's Facebook page to search for loved ones, hunt for medicine and even ask for pet food while waiting for rescuers to arrive.

Elsewhere, homes collapsed onto residents and a dam in Larimer County broke, flooding some homes and leaving three people trapped, a county spokesman said.

Larimer County Sheriff Justin Smith said some residents there face the dilemma of whether to try to move to safer shelters over bridges that may have been damaged. They will "have to use their own judgment," he said.

An emergency message from the sheriff's office to residents of Big Thompson Canyon said, "If you are cut off because of a compromised bridge, you need to stay at your residence but have a plan to get to higher ground at a moment's notice."

Pelle said emergency crews were worried about a Lyons Fire Department crew stuck on a mountainside near a washed-out road. Hypothermia from the cold, wet conditions was of particular concern, he said.

And with so much uncertainty about what had happened in the middle of the night, Pelle said the death toll could well rise.

"This was a devastating overnight storm in the area, and I anticipate that as the day goes on, we are likely to find other people who are victims of this storm," the sheriff said Thursday. "We are bracing ourselves."

Frustrating night

As dawn broke over the region, Pelle said he was "amassing a large-scale effort" to rescue those who are trapped, reach those who are stranded and deliver much needed aid to places like Lyons, where floodwater overtopped several dams protecting the town.

Gov. John Hickenlooper said two National Guard Black Hawk helicopter search-and-rescue crews were sent to Boulder County, along with three swiftwater rescue teams and emergency managers. One helicopter and emergency managers were dispatched to Larimer County.

Hickenlooper said the state didn't immediately need outside help. The problem was reaching the most critical areas.

Rescuers have been frustrated by debris, impassable roads and mudslides, Pelle said.

"This is not your ordinary disaster," Pelle said. "All the preparation in the world, all the want-to in the world, can't put people up those canyons while debris and walls of water are coming down."

The rain started falling in earnest about 6 p.m. Wednesday and continued into Thursday, sometimes at the rate of about an inch an hour, according to radar estimates. That added up to about 6 to 7 inches of total rainfall. 

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