What is Atmosphere?

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

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

Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

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