Moisture, Pressure & Temperature Control the Air

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These three physical properties, pressure, temperature and humidity, are basic weather builders, determining by themselves and by their interaction how air is going to behave. Changes in moisture, pressure and temperature are the elements to take into consideration when we try to understand, explain and forecast weather phenomena.

Atmospheric pressure

The atmospheric pressure is the force exerted on any point of Earth’s surface by the weight of the column of air above it. Air molecules have volume, weight, mass and [...]

Temperature

When heat enters a substance, energy comes into it as well. That energy can be used to increase the rate of movement (kinetic energy) of the molecules, which would cause [...]

Humidity

Life in the planet is possible because of the presence of water. Air contains moisture, that is, water vapor, which absorbs energy very well and prevents Earth’s heat from escaping [...]