Air Masses and Fronts
Air Masses classified by temperature and humidity. Tropical: Warm, form in tropics, low pressure; Polar: cold, form near poles, high pressure; Maritime: form over oceans, humid and Continental: form…
Science
Weather Fronts
Prime objective of this lecture is to present on Weather Fronts. Here briefly focus on four different types: Cold front; Warm front; Stationary and Occluded. Fronts are the basic building…
Lecture on Weather Satellite
A Weather Satelliteis able to photograph, track, and measure the conditions of large-scale air movements. A meteorologist then compiles and analyzes the data with the help…
Presentation on Weather Balloon
Basic objective of this lecture is to present on Weather Balloon. A Weather Balloon measures weather conditions higher in the atmosphere. Measures temperature, air pressure, wind speed and…
Lecture on Rain Gauge
General objective of this lecture is to present on Rain Gauge. A Rain Gauge is used to measure amount of rainfall. An official Rain Gauge consists of…
Formation of Clouds
Primary objective of this lecture is to present on Formation of Clouds. Clouds are formed when air containing water vapor is cooled below a critical temperature called…
Presentation on Wind Vanes
A Wind Vane is used to measure wind direction. It spins on a rod and points in the direction from which the wind comes. The wind…
Lecture on Hygrometers
A Hygrometer is an instrument used to measure the humidity of the air. A mechanical Hygrometer uses human or horse hairs which stretch as they absorb…
Lecture on Windsock
A Windsockis used at airports to indicate wind direction for takeoffs and landings. They help the pilots select the proper runway so that they can take…
Lecture on Anemometer
This lecture introduce on Anemometer. An Anemometer measures wind speed. The cups catch the wind, turning a dial attached to the instrument. The dial shows the wind speed.…
Presentation on Psychrometers
A Psychrometer measures relative humidity. Two thermometers are used in a Psychrometer. A wet cloth covers the end of one of the thermometers. Water evaporates from…
Presentation on Barometers
Principle objective of this lecture is to present on Barometers. A Barometer measures air pressure. An Italian scientist named Torricelli built the first barometer in 1643. People still…
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