Dark blue cloudy sky

What is Frost?

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential damage to plants and crops.

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Glossary

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

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

A cloud of irregular appearance, composed of irregular cloud fragments.

An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...