> For the complete documentation index, see [llms.txt](https://docs.unisphere.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.unisphere.io/nova/assets/limit-set/limit-thresholds-types.md). # Limit thresholds types

Evaluation Scheme		Usage
HIGH-RED		Criticality in the upper value range. Typically used for wind speed, thunderstorm prob. and icing potential.
HIGH-GREEN		Criticality in the lower value range. Typically used for visibility and the lifted index.
MIDDLE-RED		Criticality in the middle value range. E,g, avoiding low spread.
MIDDLE-GREEN		Criticality at the boundaries of the value range. Typically used for temperature.