What is Blowing Snow?

A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...

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

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

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

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...

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

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...

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

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...