GB/T 35663-2017 in English
VALIDBasic terminology of weather forecast
- Issued on:2017-12-29
- Implemented on:2018-07-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$214.00
| Standard No: | GB/T 35663-2017 |
| Document status: | VALID |
| Title in English: | Basic terminology of weather forecast |
| Title in Chinese: | 天气预报基本术语 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2017-12-29 |
| Implemented on: | 2018-07-01 |
| ICS Classification: | 07.060-Geology. Meteorology. Hydrology |
| Chinese Classification: | A47-Meteorology |
| Professional Classification: | GB-National Standard |
| Related Keywords: | weather forecast
weather forecast introduction national standard weather forecast background weather forecast production basic terminology |
| Related Topics: | balance basic
GB/T 35663-2017 Basic Terms of Weather Forecasting GB/T 35663 GB/t+35663 weather forecast space weather forecast weather forecast basic terms weather forecaster weather forecaster basic terms of land air base air base GBT35663 GB/T 35663-2017 |
《GB/T 35663-2017天气预报基本术语》由TC345（全国气象防灾减灾标准化技术委员会）归口，主管部门为中国气象局。
Introduction
National Standard of the People's Republic of China GB/T 35663—2017 Basic Terms of Weather Forecast
Background and Significance of Standard Formulation
GB/T 35663—2017 Basic Terms of Weather Forecast is an important national standard for regulating the terminology in the field of weather forecast, aiming to unify the professional expressions of the meteorological industry. The standard was proposed by the China Meteorological Administration and managed by the National Technical Committee for Standardization of Meteorological Disaster Prevention and Mitigation, and is applicable to the production, release and dissemination of weather forecasts.
With the popularization of meteorological services and the advancement of technology, it is particularly important to formulate unified standard terms. It not only improves the accuracy of weather forecasts, but also ensures the consistency and comprehensibility of information transmission, providing a reliable reference for the public and relevant departments.
Comparative analysis of standard frameworks
| Term classification | GB/T 35663—2017 | Comparative standards (such as QX/T 48—2007) | Difference analysis |
|---|---|---|---|
| Sky conditions | Sunny, few clouds, cloudy, overcast, based on total cloud cover ($0\sim10$) | Similar classification, but the specific numerical range is not clear | Quantitative indicators have been added to facilitate practical application |
| Meteorological elements | Wind, temperature, relative humidity, etc. all use internationally accepted definitions | Some terms are not standardized | Wind force levels (refer to Appendix A) and temperature measurement methods are unified |
| Weather phenomena | Rain, snow, hail, etc. are divided into specific levels according to intensity and time | The classification is relatively rough | The rainfall/snow levels are refined, and definitions of severe convective weather such as thunderstorms and tornadoes are added |
Interpretation of professional terms and application cases
Classification standards for sky conditions
The total cloud cover in the sky is an important indicator for measuring weather conditions, which is specifically divided as follows:
- Sunny ($0\sim2$): suitable for outdoor activities.
- Few clouds ($3\sim5$): Some areas may have local rainfall.
- Overcast ($6\sim8$): Large-scale precipitation is expected.
- Overcast ($9\sim10$): The temperature will be low throughout the day, so please keep warm.
Core Terms of Meteorological Elements
wind force and wind speed are defined in the standard, with special reference to the Beaufort wind scale in Appendix A:
| Wind force level | Name | Sea surface conditions | Land surface phenomena | Wind speed (m/s) |
|---|---|---|---|---|
| 0 | Calm wind | - | Smoke rising | Less than 1 |
| 6 | Strong wind | Turbulent waves | Trees swaying, difficult to walk against the wind | 10.8~13.8 |
| 8 | High wind | - | Minor damage to buildings | 17.2~20.7 |
Classification and intensity classification of weather phenomena
Rainfall and snowfall are divided into multiple levels according to their intensity, for example:
- Light rain ($12\mathrm{~h}$: $0.1~4.9\mathrm{mm}$)
- Heavy rain ($12\mathrm{~h}$: $30.0~69.9\mathrm{mm}$)
- Extremely heavy rain ($12\mathrm{~h}$: ≥$140.0\mathrm{mm}$)
These classifications help to release weather warning information more accurately.
Recommendations for standard implementation
Recommendation 1: Use standard terminology in weather forecast production to ensure accuracy and consistency in information transmission.
Recommendation 2: Use structured data formats (such as XML or JSON) to store weather element data for easy computer processing and analysis.
Recommendation 3: Combine standard terminology with popular language for explanation in public meteorological services to improve the comprehensibility of information.
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