GB/T 35222-2017 English PDF

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GB/T 35222-2017: Specifications for surface meteorological observation -- Cloud
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Basic data

Standard ID: GB/T 35222-2017 (GB/T35222-2017)
Description (Translated English): Specifications for surface meteorological observation -- Cloud
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A47
Classification of International Standard: 07.060
Word Count Estimation: 14,195
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 35222-2017: Specifications for surface meteorological observation -- Cloud

---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 - Cloud ICS 07.060 A47 National Standards of People's Republic of China Ground meteorological observation specification cloud 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. Heilongjiang Meteorological Bureau, Jilin Meteorological Bureau, Meteorological Bureau of China Meteorological Bureau, Hubei Provincial Meteorological Bureau, Hebei Provincial Meteorological Bureau, Yunnan Meteorological Bureau, Shandong Meteorological Bureau, Shanxi Meteorological Bureau. The main drafters of this standard.Xie Yongde, Ge Chunfeng, painted red, Yang Zhibiao, Guan Yanhua, Li Li, Wang Jingye, Gao Min, Song Shi-ping. Ground meteorological observation specification cloud

1 Scope

This standard specifies the cloud meteorological observation, cloud cover and cloud height observation and recording methods. This standard applies to ground observation of man-made meteorological observations.

2 Terms and definitions

The following terms and definitions apply to this document. 2.1 Cloud cloud A large number of tiny droplets of water suspended in the atmosphere or ice crystals or a mixture of both the visible polymer, and sometimes also contain some larger raindrops, ice particles And snow crystal, the bottom does not touch the ground. 2.2 Cloudamount Clouds cover the sky's horizon. 2.3 Cloud high cloudheight The vertical distance between the cloud bottom and the observatory surface water level. 2.4 Cloud-like cloudtype According to cloud height, cloud shape and structure characteristics of cloud classification description.

3 rules

The main observations of the cloud include. cloud judgment, observation of cloudiness and determination of cloudiness, according to the need to select the observation content. The location of the cloud should be Try to choose where you can see all the sky and the horizon in open locations or platforms, and pay attention to the continuous evolution of the cloud. Observation, such as the sun Strong, should wear sunglasses.

4 observation method

4.1 clouds According to cloud shape features, structure, color, arrangement, height and accompanying weather phenomena, to determine the cloud (cloud classification see Appendix A, See Appendix B for various cloud-like features. Record in alphabetical order the clouds in Table A.1. A variety of clouds appear at the same time, the amount of cloud in mind before Surface, clouds the same amount of time, record order custom. 4.2 Cloudiness 4.2.1 Cloud observation Including the observation of total cloud cover and low cloud cover, the total number of cloud-sheltered sky is recorded as the total cloud cover and the cloud cover of low cloud cover The number of empty records is low cloudiness. When part of the sky is obstructed by obstacles such as mountains, houses, etc., the amount of cloud is estimated from the sky that is never covered. If part of the sky is covered by precipitation, this part of the sky is considered shaded by clouds that produce precipitation. ......

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