What is the concept of minus 46 degrees?

It is extremely cold weather.

Arctic cold weather refers to the abbreviation of extremely cold weather, and the symbol of extremely cold weather is below minus 40 degrees, so minus 46 degrees is already considered extremely cold weather.

The cold level is divided into 8 levels. Level 1 is extremely cold weather, Level 2 is severe cold weather, Level 3 is severe cold weather, Level 4 is severe cold weather, Level 5 is mild cold weather, and Level 6 is severe cold weather. Level 7 means slightly cold weather, level 7 means slightly cold weather, and level 8 means cool weather.