What does the color of the weather warning represent?

Blue warning signal of blizzard: 12 hours, the snowfall will reach more than 4 mm, or it has reached more than 4 mm and the snowfall continues, which may have an impact on traffic or agriculture and animal husbandry.

2. Yellow warning (heavier)

Yellow rainstorm warning signal: The rainfall will reach more than 50 mm within 6 hours, or it has already reached more than 50 mm and the rainfall may continue.

3, orange warning (serious)

Rainstorm orange warning signal: within 3 hours, the rainfall will reach more than 50 mm, or it has reached more than 50 mm and the rainfall may continue.

4. Red alert (especially serious)

Rainstorm in red warning signal: within 3 hours, the rainfall will reach 100 mm or above 100 mm and the rainfall may continue.

Extended data

The influence of meteorology on industrial production is very extensive. Whether it is the choice of factory site, the design of spacious rooms, the storage and manufacture of raw materials, the storage and transportation of products, it is affected by meteorological conditions such as temperature, humidity, precipitation, wind power and solar radiation.

Especially disastrous weather, such as tropical storms and typhoons, heavy rains and floods, power transmission lines interrupted or factories and equipment damaged, warehouses flooded, workers killed or injured, unable to go to work, etc. Insufficient water supply caused by drought; Fire caused by lightning; Freezing damage such as water pipes and oil pipelines caused by low temperature; High temperature and low humidity are easy to induce fire and explosion; High temperature and humidity easily lead to corrosion and mildew of raw materials, which affects workers' health and production efficiency, and directly or indirectly affects industrial production.

There are more industrial accidents in high temperature season than in other seasons; When the temperature and humidity in the workshop of cotton mill suddenly drop, the broken ends of cotton yarn increase. According to the investigation of Cangzhou Gas Bureau, Hebei Province, the production of sea salt is not only affected by precipitation weather. But also affected by temperature.

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