Reply to "Alberta Mountain Run"

davidbMember

As an expert witness for the defence, I can confirm that the prosecution is an East Coast resident and not aware of mountain air and wind patterns.

A complex mix of wind patterns in the mountains will result in a wall of high-speed air that can hit suddenly and with great force.

Officially known as a "derecho," Spanish for "straight ahead," these types of violent storm winds are relatively rare globally but common in the Rockies.

What makes a derecho different from a traditional thunderstorm is that the air within it interacts in such a way to create a low-pressure system just beneath the main clouds.

Buffetted by such high winds, insects can travel many times the speeds the prosecution claims.

8/28/092:04 PM

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