Standard number: QX/T 513-2019
Standard name: Classification for haze weather processes
English name: Classification for haze weather processes
Standard format: PDF
Release time: 2019-12-26
Implementation time: 2020-04-01
Standard size: 540K
Standard introduction: This standard specifies the classification method for haze weather processes.
This standard is applicable to the fields of haze weather process monitoring, forecasting and assessment services. This standard was drafted in accordance with the rules given in GB/T1.1-2009.
This standard is proposed and managed by the National Meteorological Disaster Prevention and Mitigation Standardization Technical Committee (SAC/TC345).||
tt||The drafting units of this standard are: National Meteorological Center, Jiangsu Meteorological Observatory
The main drafters of this standard are: Gui Hailin, Zhang Bihui, Wang Jikang, Lv Mengyao, Zhang Hengde, Kang Zhiming
This standard specifies the classification method of haze weather process. This standard is applicable to the fields of haze weather process monitoring, forecasting and assessment services.

ICS07.060
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Meteorological Industry Standard of the People's Republic of China
QX/T513—2019
Classification for haze weather processes2019-12-26Release
China Meteorological Administration
2020-04-01Implementation
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Industry Standard Information Service Platform
2Terms and Definitions
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3Regional Haze Weather Process
National Haze Weather Process
References
QX/T513—2019
Industry Standard Information Service Platform
QX/T513-2019
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This standard was drafted in accordance with the rules given in GB/T1.1—2009. This standard was proposed and managed by the National Technical Committee for Meteorological Disaster Prevention and Mitigation Standardization (SAC/TC345). This standard was drafted by the National Meteorological Center and Jiangsu Meteorological Observatory. The main drafters of this standard are Gui Hailin, Zhang Bihui, Wang Jikang, Lv Mengyao, Zhang Hengde and Kang Zhiming. Industry Standard Information Service Platform
1 Scope
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Division of haze weather processes
This standard specifies the division method of haze weather processes. This standard is applicable to the fields of haze weather process monitoring, forecasting and assessment services. 2 Terms and Definitions
The following terms and definitions apply to this document. 2.1
Atmospheric aerosol particlesatmosphericaerosolparticleSolid and liquid particles suspended in the atmosphere. [GB/T31159—2014, definition 2.2]
Haze
QX/T513—2019
Weather aerosol particles with a particle size of less than one micron make the horizontal visibility less than 10.0km and the air generally turbid. [GB/T36542—2018. Definition 2.1]
Hazeweatherprocess
Hazeweatherprocess
The whole process of the occurrence, development, disappearance (death) and evolution of haze weather. 3 Regional haze weather process
3.1 Classification
Ya Information
According to the intensity range and duration of a haze weather process, it is divided into regional light haze weather process, regional moderate haze weather process and regional heavy haze weather process. 3.2 Regional Light Haze Weather Process
In the same haze weather process, if 1/2 or more national meteorological observation stations in a certain area have haze weather with visibility less than 10 km for 6 hours in a day, and it lasts for 3 days or more, it is recorded as a regional light haze weather process. 3.3 Regional Moderate Haze Weather Process
In the same haze weather process, if 1/3 or more national meteorological observation stations in a certain area have haze weather with visibility less than 3 km for 3 days or more, it is recorded as a regional moderate haze weather process. 3.4 Regional Heavy Haze Weather Process
In the same haze weather process, if 1/3 or more national meteorological observation stations in a certain area have haze weather with visibility less than 2 km for 6 hours in a day, and it lasts for 2 days or more, it is recorded as a regional heavy haze weather process. 1
QX/T513—2019
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4National haze weather process
When regional haze weather processes occur in three or more adjacent provinces (autonomous regions, municipalities directly under the central government), it is recorded as a national haze weather process. The classification of national haze weather processes is consistent with that of regional haze weather processes. Industry Standard Information Service Platform
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References
GB/T204802017
Sand and Dust Weather Level
GB/T31159—2014
GB/T36542—2018
Atmospheric Aerosol Observation Terminology
Observation and Identification of Haze
QX/T513—2019
Editorial Committee of Dictionary of Atmospheric Sciences. Dictionary of Atmospheric Sciences [M]. Beijing: Meteorological Press, 1994: 677.408 China Meteorological Administration. Specification for Ground Meteorological Observation [M]. Beijing: Meteorological Press, 2003: 23 Industry Standard Information Service Platform
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People's Republic of China
Industry Standard
Meteorological Industry Standard||t t||Ting weather process classification
QX/T513—2019
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