What are the signs of thunder and hail in February?

The thunder and hail in February mean the appearance of strong convective weather.

1, the concept of severe convective weather

Severe convective weather refers to convective gale (≥ 17.2m/s), hail and short-term heavy precipitation (≥20mm/h) accompanied by thunderstorm, which is one of the disastrous weather with great destructive power. Strong convective weather refers to sudden, fast-moving, bad weather and strong destructive weather in meteorology, mainly including thunderstorms, hail, tornadoes and local heavy rainfall.

2. Characteristics of strong convective weather

(1) occurs early and ends late.

(2) High strength and strong destructiveness.

(3) The horizontal scale is small, and the life history is short and strong.

3, the harm of strong convective weather

Severe convective weather disasters can generally be divided into wind disasters, waterlogging disasters and hail disasters. When severe convective weather occurs, several disasters often occur at the same time, which has a great impact on the national economy and people's livelihood and agricultural production. Strong wind and rain disasters will occur in the affected areas, which may lead to the collapse of trees, the overturning of houses, the flying of rubble, the injury of people and animals and the lodging of crops.