wind and air

by john doe
(philadelphia, pennsylvania)

Good Breeze

What instrument do weathermen use to tell the wind and air speed

Barry's Response - The thing they use is called an anemometer. It has four small cups on sticks that catch the wind and spin in a circle, faster with stronger winds.

A weather vane points the wind and air flow direction.

See more at near the bottom of http://www.stuffintheair.com/weathervanestore.html under the heading "wind force measurements".



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