- Wind vane anemometers help to forecast the weather.springtime in kansas image by Jason Branz from Fotolia.com
Measuring wind speed and direction is crucial for modern weather forecasting. - A wind vane.stone chimney with weathervane image by lola from Fotolia.com
Wind vanes may be the first weather instrument to be used by modern man and are known to date back to 48 BC. The history of the anemometer is less clear, but inventors have toyed with devices to measure the wind since the times of da Vinci. The modern cup anemometer is known to be the work of Dr. Thomas Romney Robinson, who invented the device in 1850. - Wind vanes determine wind direction.weather and direction image by SZILAGYI ANNAMARIA from Fotolia.com
A typical wind vane anemometer consists of a cup anemometer mounted above or alongside a pivoting wind vane. This design has historically been very durable, cost effective and accurate. - Propeller wind vane.bird on weather tower image by Pat Lalli from Fotolia.com
Another popular style is a propeller anemometer mounted at the front of a wind vane. - A wind-scarred landscape.sand waves image by Stanislovas Kairys from Fotolia.com
High-tech sonic anemometers employ sound waves to measure the wind and have no moving parts.
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