What is Relative Humidity?

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...

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

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

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...

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

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.