Severe convective weather refers to the occurrence of sudden, drastic changes, extremely destructive power, often accompanied by thunderstorms, strong winds, hail, tornadoes, short-term heavy precipitation and other strong convective disastrous weather, is one of the disastrous weather. How does "bad tempered" severe convective weather come about? Why does spring, summer, and autumn, especially at the turn of the seasons, tend to occur, and how can we avoid danger?
What causes severe convection?
01
What should I do if I encounter severe convective weather?
02
Hail
■Look for shelters
Get inside quickly or take shelter under a sturdy shelter. If there is no suitable shelter, squat down with your back to the wind and hold your head in your hands to protect your head, chest and abdomen from attack.
■Keep away from fragile items
When dodging, observe the surroundings for dangerous objects that can easily fall to avoid being hit. Also be careful to stay away from glass objects such as windows, as hail may break the glass and cause harm to people.
■Beware of electric shock
Stay away from lighting lines, high-voltage power lines, and transformers to prevent electric shock.
Experienced short-term heavy rainfall
■Residents on the lower floors cut off the power supply
To prevent small waterlogging in residential houses, water barriers or earthen ridges can be placed at the door of the house. When outdoor water overflows into the room, low-rise residents should immediately cut off the power supply to prevent the water from being electrified and injuring people.
■Be cautious when walking in standing water
If you are outdoors, stop outdoor activities immediately and go back indoors to take shelter. When walking in stagnant water, pay attention to observation, walk close to buildings, and prevent falling into manholes, pits, and holes.
■Drive around stagnant water
When the driver encounters too deep water on the road or under the overpass, he should try to detour and not force his way through. When the car stalls in a low-lying place of stagnant water, people should not wait in the car, but get out of the car and wait for rescue.
Encounter a tornado
■ At home
Be sure to stay away from doors, windows, and the perimeter walls of your house, and take refuge in a wall or small room in the opposite direction of the tornado, where the basement or semi-basement is the safest place to shelter from the tornado.
■ In the car
Drive in the opposite direction of the tornado, or immediately leave the car and take shelter in a low-lying area.
■ Outdoors
Look for low-lying ground nearby, but stay away from trees, telephone poles, billboards, fences, etc.
■In case of emergency
In the event of an electric pole collapse or a house collapse, the power supply should be cut off in time to prevent electric shock to the human body or cause fire.
Encountered high winds
■Avoiding the "narrow tube effect"
When walking and cycling, avoid the narrow passage between high-rise buildings, because the narrow passage will form a "narrow pipe effect", and the wind will increase in the passage, thus bringing certain dangers to pedestrians.
■Beware of falling objects
Businesses and shops should check whether their advertising plaques are firm; residents should consciously clean up the items on their balconies to prevent them from being blown off by the wind; it is best to park far away from big trees, billboards, high-rise buildings, etc. when parking; and do not walk close to aging buildings or residential buildings with sundries when traveling.
■Drive cautiously
In windy weather, keep the windows as close as possible and keep a longer distance from other vehicles than usual, and if you are driving a freight vehicle, tie the loaded materials firmly to prevent them from falling and injuring pedestrians.
⚠️ Pay attention to wearing masks, gauze towels and other dust-proof supplies to avoid damage to the eyes and respiratory system caused by sand and dust.
Source: Guangxi Weather
Editor: Huang Ting
Duty Director: Yuan Yuzi
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