Different Weather Instruments

Posted by on Monday, July 11, 2016
Meteorologists use several weather instruments to help measures various components of the atmosphere. Here are some of the common instruments.

A thermometer is an instrument for measuring and indicating temperature, typically one consisting of a narrow, hermetically sealed glass tube marked with graduations and having at one end a bulb containing mercury or alcohol that expands and contracts in the tube with heating and cooling.

A barometer is an instrument measuring atmospheric pressure, used especially in forecasting the weather and determining altitude.

Psychrometer's are an instrument for determining atmospheric humidity by the reading of two thermometers, the bulb of one being kept moist and ventilated.

A rain gauge is a device for collecting and measuring the amount of rain that falls.

A wind vane is a device that measures the direction of the wind. The wind vane is usually combined with the anemometer. Wind direction is the direction from which the wind is blowing.

An anemometer is a device used for measuring wind speed, and is a common weather station instrument.

Hygrometer's are an instrument for measuring the humidity of the air or a gas.

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