This standard specifies the grades of tropical cyclones in China's forecast responsibility area and the principles for their classification. This standard applies to the operations and scientific research of tropical cyclones in China's forecast responsibility area. The operational regulations on tropical cyclones can be implemented with reference to this standard. GB/T 19201-2006 Tropical cyclone grades GB/T19201-2006 Standard download decompression password: www.bzxz.net
This standard specifies the grades of tropical cyclones in China's forecast responsibility area and the principles for their classification. This standard applies to the operations and scientific research of tropical cyclones in China's forecast responsibility area. The operational regulations on tropical cyclones can be implemented with reference to this standard.

ICS07.060
National Standard of the People's Republic of China
GB/T19201—2006
Replaces GB/T19201—2003
Grade of tropical cyclones
Grade of tropical cyclones
Issued on 2006-05-09
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China Standardization Administration of China
Implemented on 2006-06-15
This standard replaces GB/T19201—2003 Grade of Tropical Cyclones. The Beaufort Wind Force Scale was used as a reference during the revision. Compared with GB/T19201-2003, this standard adds two more grades: strong typhoon and super typhoon. Appendix A of this standard is an informative appendix.
This standard is proposed by the China Meteorological Administration
This standard is issued by the Policy and Regulations Department of the China Meteorological Administration. This standard was drafted by the National Meteorological Center of the Meteorological Bureau of ten countries. GB/T19201—2006
The main drafters of this standard are Qian Chuanhai, Gao Shuanzhu, Xu Yinglong, Lu Shan, Zhang Shoufeng, Liu Zhenkun, Gu Hua, Zhang Ling, Yao Xuexiang, and Xue Jianjun. This standard was first issued in June 2003
1 Scope
Tropical cyclone level
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GB/T19201—2006
This standard specifies the level and classification principles of tropical cyclones in my country's forecast responsibility area. This standard applies to the business and scientific research of tropical cyclones in my country's forecast responsibility area. The business regulations on tropical cyclones can be implemented with reference to this standard. 2 Terms and definitions
The following terms and definitions apply to this standard. 2.1
Tropical cyclonetropicalcyclone
A general term for non-frontal vortices with organized convection and definite cyclonic circulation that are generated on tropical or subtropical ocean surfaces, including tropical depressions, tropical storms, severe tropical storms, typhoons, severe typhoons and super typhoons.
Wind force levelwind scale
A level determined according to the degree of influence of wind on objects on the ground (or sea surface), used to estimate the size of the wind.
Note: The commonly used wind force level was formulated by the British Beafort in 1805, so it is also called the "Bcaufort wind force level (Bcaufort scale)", which is divided into 13 levels from 0 to 12. Since 1946, the wind force level has been expanded to 18 levels (0~17). The Beaufort wind force scale table is shown in Appendix A. 2.3
Sea-level pressuresea-levelpressure
The pressure value calculated from the station pressure to the mean sea level. 2.4
Mean wind speedmeanwindspeed
The average wind speed in a given period of time. Note: Mean wind speed is a statistic of wind speed. In the observation specification, the average wind speed from 2Ⅲin before the exact time to the exact time is taken as the wind speed at the exact time.
GB/T19201—2006
Tropical cyclone intensitytropicalcyolane intensity三上佳区x
BoPortalcn
The most average wind speed or the lowest sea level pressure near the center of the tropical cyclone bottom layer (near the ground or near the sea surface, the same below).
Responsibleforecastingarea The area where meteorological stations at all levels prepare and issue tropical cyclone forecasts and warnings according to service responsibilities or administrative divisions:
Note: my country's forecast responsibility area refers to the area between 105°E and 180°E, north of the equator. 2.7
Maximum wind maximumwind
The maximum value of the average wind speed near the bottom center of a tropical cyclone within a given period of time or a certain period.
Note: The maximum wind speed is usually expressed in wind scale. 3
Abbreviations
The following abbreviations apply to this standard.
sTsSevere tropical storm (severetropiaal stormSTY severe typhoon. SuperY super typhoonTC tropical cyclone. TD tropical depression. TS tropical storm. TY typhoon.
4 Tropical cyclone classification
4.1 Principles of tropical cyclone classification
The classification of tropical cyclones is based on the maximum average wind speed near the bottom center. 2
4.2 Tropical cyclone classification
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Tropical cyclones are divided into six levels: tropical depression, tropical storm, severe tropical storm, typhoon, severe typhoon and super typhoon.
See Table 1 for details.
Table 1 Tropical cyclone level classification table
Tropical cyclone level
Tropical depression (TD)
Tropical storm (TS)
Severe tropical storm (STS)
Typhoon (TY)
Severe typhoon (STY)
Super typhoon (SupcrTY)
Maximum average
wind speed near the bottom center (m/s)
10.8~17.1
17. 2~24. 4
24.5~32.6
32. 7~41. 4
41.5~50.9
Maximum
Wind force (level) near the bottom center
16 or above
Clear and strong wind
Sea surface conditions
Hai Jie Shan
Usually, fishing boats feel a little shaking
Appendix A
(Informative Appendix)
Beaufort wind force scale
The ground
is still, and the smoke goes straight up
The smoke can indicate the wind
But the wind vane cannot move
When the fishing boat sets sail, it can
move 2~3km per hour with the wind
The fishing boat feels a slight shaking, and the wind vane cannot move
|Can move 56km with the wind
When the fishing boat is fully sailed, the hull can be tilted to one side
The fishing boat retracts the sail (that is, the fishing boat retracts the sail twice after the sail is taken in, Pu Yu must
Pay attention to the risks
Fishing boats are anchored in the port, and those in the sea
Entering the port will not stay
It is difficult for steamers to navigate
Steamers frequently navigate and it is dangerous
It is extremely dangerous for steamers to encounter
The waves are swaying
People can feel the wind on their faces, the leaves are rustling slightly,
The wind vane can rotate
The leaves and twigs are shaking constantly,
The continuous rotation
can blow up the dust and Paper,
tree twigs sway
leaved trees sway:
inland water surface has small waves
big tree branches sway, electric wires whirr, umbrellas are difficult to hold
whole trees sway,
walking into the wind is inconvenient
small branches are broken, people walking forward
feel great resistance
buildings have minor damage
(the top of the chimney and the bungalows shake)
rarely seen on land, when seen, trees may be lifted
or buildings may be seriously damagedbzxZ.net
rarely seen on land
if seen, there will be extensive damage
absolutely rare on land, extremely destructive Big
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Equivalent to the wind speed at a standard height of 10m on an open flat groundnmile/h
Less than 1
11—16
17—21
34—40
41—47
48—55
100—108
109-118
8.0—10.7
28.5—32.
46.2-50.9
56.1-61.2
less than 1
6—11
12—19
29—38
39—49
62—74
89—102
103-117
118133
134—149
150-166
167183
184—201
202-220
GB/T19201—2006
References
[1]】Guoqing, Fang Weimo, et al., Global Guide to Tropical Cyclone Forecasts. Beijing: Meteorological Press, 1995.[2]】Typhoon Business and Service Regulations. China Meteorological Administration. Beijing: Meteorological Press, 2001[3] Atmospheric Science Dictionary Editorial Committee. Atmospheric Science Dictionary, Beijing: Meteorological Press, 1994[4] Zhu Binghai, Wang Pengfei, Huang Jiaxin. Meteorological Dictionary. Shanghai: Shanghai Dictionary Publishing House, 1985[5] Wang Zhilie, Fei Liang. Typhoon Forecast Yu Peng Beijing: Meteorological Press, 19872
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