What is Air Mass?

A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....

An instrument for measuring atmospheric pressure.

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

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