GB/T 35227-2017 English PDF

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GB/T 35227-2017: Specifications for surface meteorological observation -- Wind direction and wind speed
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Basic data

Standard ID: GB/T 35227-2017 (GB/T35227-2017)
Description (Translated English): Specifications for surface meteorological observation -- Wind direction and wind speed
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A47
Classification of International Standard: 07.060
Word Count Estimation: 14,192
Date of Issue: 2017-12-29
Date of Implementation: 2018-07-01
Regulation (derived from): National Standards Bulletin 2017 No. 32
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 35227-2017: Specifications for surface meteorological observation -- Wind direction and wind speed

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Specifications for surface meteorological observation - Wind direction and wind speed ICS 07.060 A47 National Standards of People's Republic of China Surface weather observation standard wind direction and wind speed 2017-12-29 Posted 2018-07-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

The "Ground Meteorological Observations" series of standards include the following 17 standards. --- GB/T 35221 General rules of ground meteorological observation; --- GB/T 35222 standard meteorological observation cloud; --- GB/T 35223 standard meteorological observation meteorological visibility; --- GB/T 35224 meteorological observation standard weather phenomenon; --- GB/T 35225 atmospheric meteorological observation standard pressure; --- GB/T 35226 meteorological observation standard air temperature and humidity; --- GB/T 35227 meteorological observation standard wind direction and wind speed; --- GB/T 35228 standard meteorological observation of precipitation; --- GB/T 35229 specifications for surface weather observation snow depth and snow pressure; --- GB/T 35230 ground meteorological observation norms evaporation; --- GB/T 35231 standard meteorological observation of radiation; --- GB/T 35232 meteorological observation standard sunshine; --- GB/T 35233 ground meteorological observation standard ground temperature; --- GB/T 35234 ground meteorological observation standard frozen soil; --- GB/T 35235 ground meteorological observation norms wire ice; --- GB/T 35236 ground meteorological observation standard ground conditions; --- GB/T 35237 automatic observation of ground meteorological observation norms. This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed by China Meteorological Administration. This standard by the National Meteorological Instruments and Methods of Standardization Technical Committee (SAC/TC507) centralized. This standard was drafted unit. Meteorological Bureau of Henan Province, Hubei Meteorological Bureau, Meteorological Bureau of China Meteorological Bureau, Heilongjiang Meteorological Bureau, Shandong Provincial Meteorological Bureau, Yunnan Meteorological Bureau, Hebei Meteorological Bureau, Shanxi Meteorological Bureau, Jilin Meteorological Bureau. The main drafters of this standard. Cao iron, Yang Zhibiao, painted red, Xie Yongde, high people, Li Li, Guan Yanhua, Song Shiping, Ge Chunfeng, Feng Dongxia. Surface weather observation standard wind direction and wind speed

1 Scope

This standard specifies the technical requirements and observational methods for wind direction and wind speed observation of surface meteorological observations. This standard applies to the meteorological observation of wind direction and wind speed observations.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 35221 General Rules for Surface Weather Observation GB/T 35225 specifications for surface meteorological observation pressure GB/T 35237 ground meteorological observation standard automatic observation QX/T 8 weather instrument terminology

3 Terms and definitions

GB/T 35221, GB/T 35225, QX/T 8 and the following terms and definitions apply to this document. 3.1 Windforce Wind strength. Meteorological use Beaufort scale said. 3.2 Instantaneous windspeed Wind speed at some point Note. In automatic meteorological observation, it refers to the average of the wind speed in the first 3s at a certain moment. 3.3 Instantaneous wind direction Wind at some point. Note. In automatic meteorological observation, it refers to the average value of the 3-s wind direction at a certain moment. 3.4 Average wind direction averagewinddirection The angle of the wind direction, the average wind direction over a given period of time. 3.5 The most wind direction mostwinddirection When the wind direction is indicated by the bearing, the wind direction with the highest frequency occurs in a given period of time. 3.6 Extreme wind direction extremewind direction Instantaneous wind direction at high wind speed. ......

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