What is Barometer?

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.

A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....