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To predict the weather, identify and prevent risks, make assessments, and conduct studies, researchers, scientists, meteorologists, and others depend heavily on a variety of weather instruments. Without the right instruments, it would be impossible to perform a number of critical job functions.

Examples of Importance

To fully understand just how vital the right weather instruments are, consider a farmer who grows crops. In addition to this being the farmer’s livelihood, once the crops are harvested and moved to market, they provide people with food. Planting crops is not done by happenstance or guesswork but instead using a very precise science.

Farmers must have the land prepared; then, based upon the season and weather, farmers must know when to plant and what to plant. To be successful, a farmer has to know what is going on with the weather. To do so, he or she relies on studies and forecasts.

Another example is seen with the construction industry. Certain aspects of a building are completely dependent on the weather. A prime example is the pouring of concrete. To prevent cracking and other problems, concrete must be poured at the correct outdoor temperature.

Instrument Types

In addition to predicting air temperature, weather instruments are used to determine humidity, barometric pressure, wind speed and direction, and much more.

  • Thermometer – This instrument measures air temperature. To get an accurate reading, a thermometer must be protected from the sun, since heat will affect readings. There are many different types of thermometers that work off the same concept.
  • Hygrometer – With this, the amount of humidity in the air is measured. This weather instrument comes in analog and digital versions, but there are also a number of highly advanced instruments used for this purpose outside of the hygrometer.
  • Barometer – For measuring the pressure of air, this is the instrument used. Measuring barometric pressure allows experts to predict storms and general weather trends.
  • Anemometer – To measure the speed of the wind, this is the right weather instrument to use. Today, the two most common types of anemometers include the cup, which has moving parts, and ultrasonic, which does not have moving parts.
  • Wind Vane – The direction of wind is measured with this instrument. Often, experts use an anemometer with a vane so that information on both wind speed and direction can be collected.


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