Aviation Weather · Stability Lab

Atmospheric Stability Lab

Shape a multi-layer environment — by preset or by dragging the sounding directly — then hold the button to lift an air parcel and watch it rise, stall, or punch through a cap.

Source FAA-H-8083-28B
Ch.12 Vertical Motion & Clouds
Ch.13 Atmospheric Stability

Sounding Temperature vs. Altitude

↔ Drag the dots on the environmental line to build your own multi-layer profile — try adding a stable cap aloft.

Environmental Temp Parcel Temp Parcel Dewpoint

Sky Cross-Section

Cloud —
Clear Sky
Altitude
0ft
Parcel T
18.0°C
Parcel Td
13.0°C
Env. Temp
18.0°C
Rel. Humidity
67%
LCL (Cloud Base)
2,000ft