Q: What causes avalanches? A: Basically, it happens when a lot of snow breaks away from a weak layer of snow. And this has to be on terrain of a sufficient angle.
ALTA -- The Utah Department of Transportation deployed some new heavy artillery in the Wasatch mountains Wednesday as part of the continuing war against avalanches. Some critics question the safety of firing shells overhead, particularly in light of a spectacular accident five years ago. But UDOT says the guns save lives.
CENTRALIA, Wash. -- kept tens of thousands of people from their homes Thursday, brought freight trains to a standstill and stranded hundreds of trucks along the major highways that link Seattle's busy ports with markets around the country. The flooding -- some of the worst on record in Washington state - - was touched off by a combination of heavy rain of 6 inches or more and a warm spell in the mid-40s that rapidly melted the snow in the Cascade Range.
WRIGHTWOOD - An off-duty ski-patrol worker was killed and two people were missing Friday evening after four avalanches roared down two canyons near Mountain High Resort. One person was dug out from under several feet of snow in the evening, while searchers continued to look for two others.
Being swept down a mountainside with an avalanche isn't anything like a wild ride at a theme park where the rider stands up at the end, smiles and waves at friends and family. It is not fun, says Craig Gordon, avalanche forecaster/educator with the Utah Avalanche Center. What follows is Gordon's insight into avalanches.
Know the avalanche risk To the editor -- The Jan. 14 article detailing the high avalanche risk this season is of prime importance for winter recreationists, especially snowmobilers.
GENEVA -- Avalanches killed five people in the Swiss Alps over the weekend, and bad weather prevented rescuers from reaching three skiers who apparently remained trapped under the snow on Monday, officials said. Two of the avalanches occurred in central Switzerland on Sunday, the first hitting a group of skiers, the second the rescuers who came to their aid. A third avalanche buried two skiers in southern Switzerland.
Warmer spring weather on Mars could be the cause for the first NASA image of avalanches on the planet, said a NASA scientist whose work involves the camera that took the image. NASA scientists are considering different theories for the avalanches of ice and dust, but the leading theory is that springtime brought increased sunlight and warmer weather that cracked ice near Mars' north pole and led to the avalanches in the photograph, said Candice Hansen, deputy principal investigator of the High-Resolution Imaging Science Experiment (HiRISE), the camera on NASA's Mars Reconnaissance Orbiter that took the picture.
FERNIE, British Columbia - Search teams recovered the bodies of seven snowmobilers Monday, a day after they were swept away by avalanches in western Canada's backcountry, police said. An eighth man was missing and believed dead. The bodies were found late Monday afternoon as searchers plowed through avalanche debris near Fernie in British Columbia's Elk Valley, about 550 miles east of Vancouver, said Royal Canadian Mounted Police Cpl. Chris Faulkner.
Homer is dressed for the occasion in an old North Face jacket and hand-me-down black pants. Before the slide, the researchers set up a video camera at a safe distance and use a remote control to activate sensors on the dummy's head, femur, knee and ankle. When the slide hits him, the sensors measure its pressure and note how it rotates and bends his body. The data is transmitted to a thumb drive in Homer's backpack. When it's over, [Robb Larson]'s rescue team zeros in on signals from Homer's avalanche transceiver to locate and dig out the powder-covered victim. Then everyone returns to the lab to find out how Homer is doing.
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