Weather Glossary

Skew-T Log-P Diagram

Plain English first, then the technical definition. From the LightningWX Weather Course.

What Is Skew-T Log-P Diagram?

A chart meteorologists use to plot weather balloon data, showing temperature and moisture at every height and how unstable the air is. In technical terms: A thermodynamic diagram with pressure on a logarithmic vertical axis and isotherms skewed 45° to the right, with dry adiabats, moist adiabats, and saturation mixing-ratio lines; used to analyze soundings and compute parcel properties such as CAPE, CIN, LCL, LFC, and EL.

Also called: Skew-T

Skew-T Log-P Diagram In Plain English

A chart meteorologists use to plot weather balloon data, showing temperature and moisture at every height and how unstable the air is.

The Technical Definition

A thermodynamic diagram with pressure on a logarithmic vertical axis and isotherms skewed 45° to the right, with dry adiabats, moist adiabats, and saturation mixing-ratio lines; used to analyze soundings and compute parcel properties such as CAPE, CIN, LCL, LFC, and EL.

Lessons That Use Skew-T Log-P Diagram

Glossary A–Z The Weather Course LightningWX Home

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