What is Arctic Air?

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

A type of cloud consisting mostly of small particles such as ice particles.

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...

A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...

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 towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

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

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