Dark blue cloudy sky

What is Atmosphere?

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

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Glossary

A weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....

Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....

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

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

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

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

Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...

A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...

The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...

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

Istanbul 7°CAnkara 4°CIzmir 10°CHow is your weather?