What is Arctic Air?

Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...

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

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

Meteorology is the scientific study of the atmosphere and weather processes. It involves observing, analyzing, and forecasting...

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

Indicates the amount of water the soil can absorb/retain through percolation. This capacity is around 7% in sandy soil and...

Coastal flooding occurs when water from the ocean, sea, or large lakes inundates land areas along the coast, usually due...

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

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

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