What is the red high temperature warning?

The red high temperature warning indicates that the maximum temperature will rise above 40℃ within 24 hours.

In a certain period of time, when the highest temperature reaches a certain height, it is a high temperature warning. The high temperature warning signal is divided into three levels, which are represented by yellow, orange and red respectively. Yellow indicates that the maximum daily temperature will be above 35℃ for three consecutive days. Orange means that the maximum temperature will rise above 37℃ within 24 hours. Red is the highest warning, which means that the maximum temperature will rise above 40℃ within 24 hours.

Meteorology In China, when the temperature is above 35℃, it can be called hot weather. If the highest temperature exceeds 35℃ for several days, it can be called high-temperature heat wave, which usually refers to the continuous high-temperature process. Due to the long duration of high temperature, people, animals and plants can not adapt to it, which has adverse effects.

High temperature prevention measures

1, try to avoid or reduce outdoor activities during the day, especially when 10- 16, don't go out to exercise and work in the scorching sun.

2. It is not advisable to sleep on the balcony, under the tree or in the open air. Go to bed late and get up early, and take a nap at noon.

3. When working outdoors, you should wear straw hats, light-colored clothes, and have drinking water and heatstroke prevention drugs. If you feel dizzy and unwell, you should stop working immediately and rest in the shade.

When you are sweating all over, don't take a bath with cold water immediately. You should dry your sweat first, take a rest and then take a bath with warm water.

The above contents refer to Baidu Encyclopedia-High Temperature Warning.