Somatosensory temperature and actual temperature

Somatosensory temperature refers to the ambient temperature perceived by human body, mainly considering the correction of the temperature measured by blinds by wind, humidity, sunshine and clothes color. If the somatosensory temperature is higher than the temperature, it means that the above factors have warming effect on the human body, and vice versa.

The temperature in the weather forecast only represents the air temperature, and cannot fully express the human body's feelings about the environment, but the temperature can be used as a parameter of the human body's feelings about the temperature, which is the difference between the air temperature and the somatosensory temperature. Under the same temperature conditions, people will have different cold and warm feelings because of different air humidity, wind speed, dress color, sunshine and even mood. For example, when the temperature is 30℃, the air relative humidity is about 40%-50%, and the average wind speed is above 3m/s, people will not feel very hot. However, under the same temperature conditions, if the relative humidity increases above 80% and the wind speed is very low, people will feel sultry and uncomfortable, and even the weak will suffer from heatstroke.

Air humidity and somatosensory temperature

In life, we have the feeling that the weather forecast of the meteorological station will be inconsistent with the degree of cold and warm that we actually feel. Why is this happening? The temperature in the weather forecast only represents the air temperature, and cannot fully express the human body's feelings about the environment, but the temperature can be used as a parameter of the human body's feelings about the temperature, which is the difference between the air temperature and the somatosensory temperature. Somatosensory temperature refers to the temperature sense that people feel hot and cold, also called somatosensory climate. It cannot be simply understood as the difference between skin temperature and air temperature. Under the same temperature conditions, people will have different cold and warm feelings because of different air humidity, wind speed, dress color, sunshine and even mood. For example, when the temperature is 30℃, the air relative humidity is about 40% ~ 50%, and the average wind speed is above 3m/s, people will not feel very hot. However, under the same temperature conditions, if the relative humidity increases above 80% and the wind speed is very low, people will feel sultry and uncomfortable, and even the weak will suffer from heatstroke. In order to provide services closer to life for friends from all walks of life, Guizhou Provincial Professional Meteorological Observatory launched a somatosensory temperature (comfort) forecast, hoping to bring convenience to your work and life.

Life Meteorological Index: Somatosensory Temperature Meteorological Index

August 2, 2004 15:05 China Meteorological Film and Television Information Network.

Physiological response of people with graded thermal sensation

4 Very hot, which is extremely unsuitable for people with thermal regulation dysfunction.

3 hot, uncomfortable, sweating too much.

Warm and uncomfortable sweating

1 Warm and comfortable, slightly sweating, vasodilation.

0 comfort, the most acceptable neutrality

-1 cool and comfortable vasoconstriction

-2 Cold, uncomfortable vasoconstriction

-3 cold, very uncomfortable, mild hypothermia.

It was cold for four days, and the shivering was extremely uncomfortable.

-Comparison table of wind force and somatosensory temperature

Level 0 0 km/h ambient air temperature 2 somatosensory temperature 2

Level 2 8KM/H ambient air temperature 2 somatosensory temperature 1.

Grade 3 16KM/H ambient air temperature 2 somatosensory temperature -6.

Level 4 23KM/H ambient air temperature 2 somatosensory temperature -9.

Level 5 ambient air temperature of 32KM/H 2 somatosensory temperature-1 1.

Grade 6 40KM/H ambient temperature 2 somatosensory temperature-14.

Grade 7 56KM/H ambient air temperature 2 somatosensory temperature-16.

Grade 8 64KM/H ambient air temperature 2 somatosensory temperature-17.

0 level 0KM/H ambient air temperature-1 somatosensory temperature-1.

Level 2 8KM/H ambient air temperature-1 somatosensory temperature -3

Level 3 16KM/H ambient air temperature-1 somatosensory temperature -9.

Grade 4 ambient air temperature is 23KM/H- 1 somatosensory temperature-12.

Level 5 ambient air temperature of 32KM/H-1 somatosensory temperature-16.

Level 6 40KM/H ambient temperature-1 somatosensory temperature-18.

Grade 7 56KM/H ambient air temperature-1 somatosensory temperature -20.

Grade 8 64KM/H ambient air temperature-1 somatosensory temperature -20.

Level 0 0 km/h ambient air temperature -7 somatosensory temperature -7

Level 2 8 km/h ambient air temperature -7 somatosensory temperature -9

Level 3 16KM/H ambient air temperature -7 somatosensory temperature-17.

Level 4 23KM/H ambient air temperature -7 somatosensory temperature -28.

Level 5 32KM/H ambient air temperature -7 somatosensory temperature -23.

Level 6 40KM/H ambient air temperature -7 somatosensory temperature -26.

Grade 7 56KM/H ambient air temperature -7 somatosensory temperature -28.

Grade 8 64KM/H ambient air temperature -7 somatosensory temperature -30.

0 level 0KM/H ambient air temperature-12 somatosensory temperature-12

Level 2 8KM/H ambient air temperature-12 somatosensory temperature-14.

Level 3 16KM/H ambient air temperature-12 somatosensory temperature -23.

Level 4 23KM/H ambient air temperature-12 somatosensory temperature -36.

Level 5 ambient air temperature of 32KM/H-12 somatosensory temperature -3 1.

Level 6 40KM/H ambient air temperature-12 somatosensory temperature -34.

Grade 7 56KM/H ambient air temperature-12 somatosensory temperature -36.

Grade 8 64KM/H ambient air temperature-12 somatosensory temperature -38.

0 level 0KM/H ambient air temperature-18 body temperature-18

Level 2 8KM/H ambient air temperature-18 body temperature -2 1.

Level 3 16KM/H ambient air temperature-18 body temperature -30.

Level 4 23KM/H ambient air temperature-18 body temperature -43.

Level 5 32KM/H ambient air temperature-18 body temperature -40.

Level 6 40KM/H ambient air temperature-18 body temperature -43.

Grade 7 56KM/H ambient air temperature-18 body temperature -46.

Grade 8 64KM/H ambient air temperature-18 body temperature -48.

Level 0 0 km/h ambient air temperature -23 somatosensory temperature -23

Level 2 8 km/h ambient air temperature -23 somatosensory temperature -26

Level 3 16KM/H ambient air temperature -23 somatosensory temperature -35.

Grade 4 ambient air temperature is 23KM/H-23, and the somatosensory temperature is -5 1.

Level 5 32KM/H ambient air temperature -23 somatosensory temperature -47.

Level 6 40KM/H ambient air temperature -23 somatosensory temperature -50.

Grade 7 56KM/H ambient air temperature -23 somatosensory temperature -54.

Grade 8 64KM/H ambient air temperature -23 somatosensory temperature -56.

I found that the somatosensory temperature fluctuated downward when the wind force was 4. I don't know why.

* Note-The standard Beaufort scale is adopted for wind power, and the wind speed unit is km/h km/h..

Part of the information comes from * Go for a walk in the wild home page * * China National Meteorological Observatory *

News /2004/0802/3 18.html