By Joel Gratz, Founding Meteorologist Posted 9 years ago March 3, 2014

Helicopter avalanche control - Portillo

Watch as a helicopter drops bombs to trigger avalanches in the mountains surrounding Portillo, Chile.

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About The Author

Joel Gratz

Founding Meteorologist

Joel Gratz is the Founding Meteorologist of OpenSnow and has lived in Boulder, Colorado since 2003. Before moving to Colorado, he spent his childhood as a (not very fast) ski racer in eastern Pennsylvania.

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