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What Causes Avalanches? The behavior of an avalanche depends on the structure of the snowpack, but that's only one ingredient. An avalanche requires all the wrong conditions at the wrong time.
FRISCO, Colo. – A natural avalanche happened during the morning commute on Monday in Frisco, Colorado.. Video of the incident shows drivers on Interstate 70 driving past as a large cloud of snow ...
A flood advisory has been issued for parts of Middle Tennessee as the remnants of Tropical Storm Helene brings heavy rainfall into the region Friday. Follow along for live updates here. As of ...
Avalanches and avalanche paths share common elements: a start zone where the avalanche originates, a track along which the avalanche flows, and a runout zone where the avalanche comes to rest. The debris deposit is the accumulated mass of the avalanched snow once it has come to rest in the run-out zone.
Example of powder snow avalanche. A powder snow avalanche is a type of avalanche where snow grains are largely or completely suspended and moved by air in a state of fluid turbulence. They are particle-laden gravity currents [1] and closely related to turbidity currents, pyroclastic flows from volcanoes and dust storms in the desert.
Debris avalanches are caused by sudden collapses of large volumes of rock from the flanks of mountains, especially volcanoes. [8] These events are fast-moving, gravity-driven currents of saturated debris that do not necessarily include juvenile material. [ 9 ]
In Tennessee, the relentless rain also caused the levee along the Obion River to fail. That sent residents scrambling for safety as the waters rose, and dramatic drone video recorded from high ...
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