What does it mean to snow in May?

It snows in May, which is really rare. In fact, the temperature drop in many places is very obvious recently, and the tolerance for extreme weather conditions is very high. We must prevent secondary disasters.

On the morning of May 22nd, 20021year, the Yellow River Stone Forest Mountain Marathon 100 km cross-country race was held in the Yellow River Stone Forest Scenic Area of Jingtai County, Baiyin City, Gansu Province. 100 km cross-country race high altitude stage 20 km to 3 1 km. Due to sudden extreme weather, some disastrous weather such as hail, freezing rain and strong wind appeared, and the temperature plummeted, which led to the participants' physical discomfort and temperature drop, and some people lost contact. In the end, many people were killed and injured.

Snowfall generally meets the following three conditions:

First, there should be enough water vapor.

Second, there must be some lifting movement.

Thirdly, it is necessary to have an appropriate ice crystal layer thickness. In recent two days, due to the continuous influence of the cold air in the north, the temperature in many places has dropped significantly, and some areas with high sea level have even reached the conditions of snowfall, so it is not unusual to snow in May, only rare.