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GB/T 27956-2011: Medium-range weather forecast
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| GB/T 27956-2011 | English | 279 |
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Medium-range weather forecast
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GB/T 27956-2011
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Basic data | Standard ID | GB/T 27956-2011 (GB/T27956-2011) | | Description (Translated English) | Medium-range weather forecast | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A47 | | Classification of International Standard | 07.060 | | Word Count Estimation | 12,127 | | Date of Issue | 2011-12-30 | | Date of Implementation | 2012-03-01 | | Quoted Standard | GB/T 20481-2006; GB/T 21984-2008 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 23 of 2011 | | 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 | | Summary | This standard specifies the content of the medium-term weather forecasts. This standard applies to conduct interim weather services. | GB/T 27956-2011: Medium-range weather forecast---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.
Medium-range weather forecast
ICS 07.060
A47
National Standards of People's Republic of China
Mid-term weather forecasts
Issued on. 2011-12-30
2012-03-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
The standard proposed by the China Meteorological Administration.
This standard by the national meteorological disaster prevention and mitigation Standardization Technical Committee (SAC/TC345) centralized.
This standard was drafted. National Meteorological Center.
The main drafters of this standard. Bao Yuanyuan, Kang Zhiming, Kim Young flower, Wang Xiuwen, Ushiwaka Yun.
Introduction
Medium-term weather forecasting is an important part of weather forecasting. With the development of science and technology, and continuously improve the accuracy of medium-term weather forecasts,
In the protection of the socio-economic development and people's life is playing an increasingly important role. This standard is intended to regulate within the medium-term weather forecasts
Capacity, promote the improvement of medium-term weather forecasting service levels, better play its social and economic benefits.
Mid-term weather forecasts
1 Scope
This standard specifies the content of the medium-term weather forecasting.
This standard applies to conduct the mid-Weather service.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 20481-2006 meteorological drought level
GB/T 21984-2008 short-term weather forecasts
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
A region over the next 72h, 240h within the weather changes anticipate and trailers.
3.2
Climate mean climaticnormal
Meteorological Elements 30 years or above average. See GB/T 20481-2006 of 2.11.
Note. This standard WMO According to relevant regulations, taking the average of the last three years as the climate average. Such as. the period from 2001 to 2010, the average climate
Value averaging 1971 to 2000 a total of 30 years.
3.3
The average temperature anomaly meantemperatureanomaly
A time difference between the average temperature and the same period the year climate average in Centigrade (℃).
3.4
Temperature anomaly level gradeoftemperatureanomaly
Describe the degree of abnormality of the temperature level.
3.5
Precipitation anomaly percentage percentageofprecipitationanomaly
Compared with the same period the percentage difference between the annual average precipitation of climate and climate average annual precipitation over the same period to a period of precipitation, in%
FIG. See GB/T 20481-2006 of 2.20.
3.6
Severe Weather disastrousweather
Human life, production, life and living environment severely affected by weather. Such as typhoons, torrential rain, cold, snow, wind,
Sandstorms, low temperature, rain, frost, heat, drought, cold dew wind, dry hot wind, the fog, hail, lightning and so on.
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