Dark blue cloudy sky

What is Cumulus?

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds under the right conditions.

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Glossary

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

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

Snow that rises to 8 feet or higher.

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...

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

An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...