What should I do in thunderstorm weather?

Outdoor activities should be avoided in thunderstorm weather, doors and windows should be closed tightly, and metal objects such as antennas should be avoided.

If you must be outdoors, choose a safe place, such as a building or a low-lying place. Avoid staying on hilltops, tall buildings or open spaces, because these places are vulnerable to lightning strikes. Close the doors and windows in thunderstorm weather to avoid lightning hitting the room directly. If there is no lightning protection equipment indoors, try to avoid using electrical appliances, such as TV and stereo. In addition, the use of faucets should be avoided, because faucets may introduce lightning.

Avoid contact with antennas, water pipes, barbed wire, metal doors and windows, external walls of buildings, wires and other live equipment. These items are easy to attract lightning, thus causing the danger of electric shock. Swimming or other water activities should be avoided as much as possible in thunderstorm weather. Waves and rain on the water will reflect lightning, thus increasing the risk of electric shock.

Causes of thunderstorm weather formation

Thunderstorm weather is a complex meteorological phenomenon, usually the water vapor in the atmosphere rises rapidly, and then cools and condenses at an extremely fast speed to form clouds. When water droplets or ice crystals in the cloud collide with other air molecules, electrons will be scraped away, thus forming charges. When the charge accumulates to a certain extent in the cloud, it will produce a discharge explosion, thus forming lightning.

The formation of thunderstorm weather still needs certain conditions. From the local conditions, the vertical layer structure of the atmosphere must be unstable in order to induce the occurrence and development of convection activities. In addition, there should be enough moisture in the air to meet the formation of clouds. From the weather background, there should be a weather situation that promotes the development of local convection, such as cold front crossing, low pressure being filled, anticyclone behind, small fluctuation, cold air activity at high altitude, etc.