Recently, many places in Hubei Province have suffered from freezing.
Rainy weather has brought great inconvenience to people's travel. Expressways, as transportation hubs, have been severely affected. Many vehicles are unable to drive normally due to icy roads, resulting in severe traffic jams on highways.
Freezing rain is a special weather phenomenon that usually occurs in the southern part of China in early winter or early spring. To understand freezing rain, we must first understand the conditions and processes of its formation.
First of all, the formation of freezing rain requires specific meteorological conditions. When a warm air meets a cold air, the warm air rises and cools, forming clouds. If this process is reversed, the water droplets in the cloud will gradually increase until they become heavy enough to eventually descend under the force of gravity. In this process, if the temperature drops below 0°C, these falling water droplets freeze, forming what we call freezing rain.
The characteristics of freezing rain make it different from ordinary rainfall. As the water droplets keep freezing as they descend, they eventually form a kind of transparent ice beads that, when they come into contact with the ground or other objects, quickly attach and form a thin layer of ice. This ice layer can cause a lot of inconvenience to people's lives, such as making the road surface slippery, affecting transportation, and causing power lines and communication lines to freeze, causing power and communication interruptions. In order to deal with this weather phenomenon, we need to take a series of measures to strengthen preparedness and response.