Definition: Hail is the solid precipitation that falls to the ground from strongly developing cumulonimbus clouds, as small as a bean, as large as an egg or a fist. It is a meteorological disaster mainly caused by smashing and smashing.
The hail warning signal is divided into two levels, indicated by orange and red respectively.
Defense Guide:
1.Close doors and windows, and properly place outdoor items that are easily affected by hail;
2.Do not go out at will, and ensure that the elderly and children stay at home;
3.Suspend outdoor activities, such as outdoors, do not avoid hail under the eaves of tall buildings, chimneys, telephone poles or big trees;
4.Be prepared for lightning protection while preventing hail.
Definition: A strike-air discharge phenomenon that occurs between thunderstorm clouds (cumulonimbus) wind, cloud and cloud, cloud and ground, and cloud and air, often accompanied by strong flashes and rumbling thunder.
The lightning warning signal is divided into three levels, which are represented by yellow, orange and red respectively.
Outdoor lightning protection:
1.You should quickly hide in buildings protected by lightning protection facilities, or in deep caves. The car is an ideal place to avoid lightning strikes;
2.Keep away from sharp, isolated objects such as trees, utility poles, chimneys, etc. It is not advisable to enter low buildings such as isolated sheds and guard boxes. Absolutely stay away from power lines;
3.Find a low-lying place and squat down, with your feet together, hands on your knees, and your body bent forward. Be careful not to crowd together or hold hands together;
4.In an open field, do not use an umbrella, and carry metal tools such as hoes on your shoulders;
5.Do not swim or engage in water operations, and leave the water and other open spaces as soon as possible;
6.It is not advisable to drive a motorcycle or ride a car of your choice in thunder and lightning weather, and do not run wild during thunderstorms.
Indoor lightning protection:
1.Be sure to close the doors and windows and keep away from doors, windows, balconies and external walls as much as possible;
2.Do not rely on pipes, let alone touch any metal pipelines in the room;
3.It is best not to use any household appliances in the room, it is recommended to unplug all the power plugs;
4.Do not use solar water heaters to take a bath in thunderstorms;
5.In the event of a lightning strike, cut off the power as soon as possible, do not splash water with electricity and do not put out the fire, use a special fire extinguisher such as a dry fire extinguisher to put out the fire, and quickly dial "119" or "110" to call the police.
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