What is Acid Rain?

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

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 term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...

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

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

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

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