What is Relative Humidity?

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

The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.

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

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

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

The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...

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

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...

A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...

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