What are different methods of air pressure measurement?

Air pressure, also called atmospheric pressure or barometric pressure, is the amount of weight or force that the atmosphere develops at the moment on the defined part of the Earth. The primary agent of air pressure measurement is the use of a device called a barometer, which is originally a barometric pressure. Mercury or water barometers consist of a hollow tube connected at one end to a mercury or water container. The air pressure pushes the material into the tube and obtains air pressure measurement. Meteorologists often use anneroid barometer that uses the contraction and expansion of metal cells to measure atmospheric pressure.

Since the amount of air in the Earth's atmosphere decreases as the altitude increases, the air pressure measurement at the sea level will be higher than one that is taken at a higher height and less than one of the lower height. On the sea level, which is an increase in zero, the amount of air pressure is sufficient to increase the level of mercury in a barometer of approximately 30 inches (76.2 cm). Increasing pressure on the lipV causes approximately 1 inch (2.54 cm) to increase for each additional 1,000 feet (304.8 m) increase in height. The high pressure area is defined as measurement of air pressure beyond the sea level, while low air pressure is measuring below the sea level.

Anneroid barometer is an electronic device that can also be used to measure air pressure. Unlike the mercury barometer, anneroid barometers contain a free metal chamber, which is expanded or tightened when air pressure changes. These metal pulses are converted into digital signals that provide output air pressure reading. Anerooid barometers are often used in domestic weather prediction devices that use air pressure changes in combination with other atmospheric information.

Meteorologists use barometers to predict changes in the ttlak of the Earth's atmosphere. This information can be used to create maps of a given country or regiThe one that shows areas with high and low pressure, as well as areas where the air flow cause atmospheric changes. This data, combined with other information such as air temperature, wind speed and humidity, is the primary means of predicting storms, tornadoes and other serious weather. The rapidly reduced air pressure measurement can be a predictor of strong winds, as the wind is created by air molecules that constantly move from the high pressure areas when trying to balance.