Weather vane

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Weather vane is a device that turns freely on an upright rod and points in the direction from which wind comes. It is also called a wind vane or weathercock. The weather vane is one of the oldest weather instruments and is often ornamental in shape.

Radiosonde

Radiosonde, RAY dee oh sond, is an instrument meteorologists use to take soundings (measurements) of the upper air. A radiosonde consists of… See more »

Anemometer

Anemometer, an uh MOM uh tuhr, is an instrument that measures wind speed. There are several types of anemometers. The most common type has three or… See more »

Barometer

Barometer is an instrument that measures the pressure of the atmosphere. Weather forecasters use barometers to detect changes in air pressure. In… See more »

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Weather vane

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