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How to Judge Wind Speeds by Eye  
HOW TO 

Tags: Wind, Speeds, How, To, Judge, By, Eye, Sight, Easy, Simple

This is an easy way to "guesstimate" wind speed.

	Less than 1 mph - Calm. Smoke rises vertically.
	1 - 3 mph - Direction of wind shown by smoke drift, not by wind vanes.
	4 - 7 mph - Wind felt on face; leaves rustle; ordinary vane moved by wind.
	8 - 12 mph - Leaves and small twigs in constant motion; wind extends light flag.
	13 - 18 mph - Raises dust and loose paper; small branches are moved.
	19 - 24 mph - Small trees in leaf begin to sway; crested wavelets form in inland waters.
	25 - 31 mph - Large branches in motion; whistling heard in telephone wires; umbrellas used with dificulty.
	32 - 38 mph - Whole trees in motion; inconvenience felt in walking against wind.

Lister: prattedit

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