One rating, multiple dimensions Like its counterpart scales for tornadoes and hurricanes, the AR Scale has five categories, ranging in this case from Cat 1 (weak) to Cat 5 (exceptional).

The 1 to 5 scale can help people quickly digest the severity of a winter storm. ... Weather Service’s new rating scale is a promising new communication tool. January 30, 2020.

The 1 to 5 rating scale estimates potential property damage. Hurricane categories are based on Saffir-Simpson Hurricane Wind Scale and are rated from 1 to 5 based on wind speed. Skip Navigation ...