midtropospheric

Midtroposphere is a term used in meteorology to describe the central portion of the troposphere, the lowest layer of Earth's atmosphere. It lies above the lower troposphere and below the upper troposphere. The exact altitude range is not fixed, but the midtroposphere is typically considered to extend roughly from about 3 to 7 or 8 kilometers above the surface, with variations depending on latitude, season, and weather conditions.

This layer contains a significant portion of the atmosphere’s water vapor and participates in key temperature and humidity profiles that affect weather. Mid-level clouds such as altostratus and altocumulus form in the midtroposphere, and the layer plays a role in determining atmospheric stability and the potential for vertical development of storms. The temperature lapse rate and moisture content in this region influence phenomena such as convective inhibition and the strength of upward motion.

Observations of the midtroposphere come from radiosondes (weather balloons), satellites, and radar, providing data on temperature, humidity, wind, and geopotential height. In climate studies, long-term changes in midtropospheric humidity and temperature contribute to understanding radiative balance and climate sensitivity, since moisture in this layer affects outgoing longwave radiation and energy transport.

Usage of the term may vary among sources, with some defining lower, middle, and upper troposphere using different altitude cutoffs. Nevertheless, midtroposphere generally refers to the middle portion of the troposphere where many weather processes interact and where moisture and temperature gradients influence weather and climate.