# Thermal Channel

Automatically selects the thermal infrared (10.8 µm) channel, and applies a color look-up table to make its interpretation easier.

This enhancement is calibrated in temperature.

### Appearance

Colder temperatures appear violet while warmer temperatures appear orange or red.

![Temperature scale](descriptions/img/AVHRRtempscale.png)

### Intended usage

General temperature analysis

### Limitations

No emissivity compensation.