What is Cirriform?

A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.

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

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

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

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

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

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

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.

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

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...