The four-level response level of rainstorm refers to

Four-level response level of rainstorm.

According to the standard of disastrous weather and climate intensity and the degree of casualties and property losses caused by major meteorological disasters, major meteorological disasters are divided into general (level 4), large (level 3), serious (level 2) and particularly serious (level 1).

The category of meteorological disaster warning signal has been increased from three to 10, and the familiar black typhoon warning signal will be out of the historical stage. The severity and urgency of disasters, the new meteorological disaster warning signals are generally divided into four grades: blue, yellow, orange and red.