example of the process and the evaluation of relevant factors used in the numberical rating system

No. There is no rating system for thunderstorms.

Hindu-Arabic numerical system is what we use today i.e. 0 1 2 3 4 5 6 7 8 and 9

Roman numerical system was once used in the past i.e. I V X L C D and M

the basic numerical is a hard wear that needs lots of energy

advantage of numerical rate method,it saves time, also reduces the subjective element, speeding the business.