Aeronautical Meteorology Service of China Xu Jianliang MET Division of ATMB,CAAC

Aeronautical Meteorological authority CAAC is designated the aeronautical meteorological authority by the government of China. Air Traffic Management Bureau of CAAC is charged with the management of aviation weather service Operational Law and Rules Training Technical Plan Research Etc.

OBJECTIVE The objective of aeronautical meteorological service for air navigation shall be to contribute towards the safety, regularity and efficiency of air navigation.

LAW & REGULATIONs Civil Aviation Law Meteorological Law Annex 3 to the Convention on International Civil Aviation -- Meteorological Service for International Air Navigation, ICAO Regulation on Civil Aviation Meteorology of China, CAAC

Five standards Aeronautical Weather Forecasting Aeronautical Weather Observation and report Aeronautical Meteorological Service Technical Requirement of Meteorological Facility Equipping Scheme of Meteorological Facility

MAIN SERVING OBJECTS Airlines ( carriers or operators) Air Traffic Control Aerodrome operators Aeronautical information services Search and rescue services Etc.

OPERATIONAL CONSTRUCTION Two Level Management ATMB Regional ATMB Three grades operation Aeronautical Meteorological Center Regional Aeronautical Meteorological Center /MWO Aerodrome Meteorological Office

Condition of Aeronautical MET Service Meteorological Operational contents Meteorological equipments Meteorological Service contents Meteorological Service methods Current products

Contents of met. operation Automatic collecting & processing of aeronautical met. Data Automatic and semi-automatic analyses & producing of aeronautical met. Data Prepare and issuing METAR/SPECI, TAFs, W&T Chart, SIGWX Chart, SIGMET and Warning Briefing and Consulting Network-based transmission of aeronautical met. Data Network-based aeronautical met. service

Meteorological equipments AWOS and automatic Meteorological stations Weather Radar Met. satellite data reception & processing system WAFS VSAT Civil aviation met. Database system Civil aviation met. Satellite facsimile & broadcasting system VOLMET Aerodrome met. Information and met. Service System Etc.

Met. Service contents (for airlines) Pre-flight planning by operators In-flight re-planning by operators using centralized Operational control of flight operations Flight documents -Use by flight crew members before departure Aircraft in flight

Met. Service contents (for ATS) MET service is offered to Control Tower, Approach Control Officer and Area Control Center in the light of requirements

Meteorological Service methods Face to face Intranet Dispatch Agency VOLMET ATIS Air-ground data link Other consulted methods

Current products Aeronautical met. Information METAR & SPECI/TAF TREND Landing Forecast & taking-off forecast SIGMET Aerodrome warning/Wind shear alert Significant weather chart Upper wind/temperature chart AIREP (Air report) Etc.

Continue Basic met. Data Satellite images Radar data Numerical weather prediction data AWOS data Weather Charts

Continue Aeronautical specific guidance Index of icing, Turbulence, Convective weather, Height of tropopause, Max-wind level, 0℃ Level etc.

NWP products Wind forecast Temperature forecast Height forecast Vortex forecast Divergence forecast Vertical velocity forecast Humidity forecast Rainfall forecast Mean sea level pressure forecast Depression of dew point Etc.

Aeronautical met. Information METAR & SPECI TAF TREND Landing & taking-off forecast ROFOR SIGMET AIRMET GAMET . Aerodrome warning Wind shear alert Significant weather chart Upper wind/temperature chart AIREP (Air report) Etc.

Aeronautical specific guidance Icing index turbulence index convective developing index height of tropopause height of 0℃ level height of max-wind level etc.

TENDENCY Detecting and monitoring (severe weather) Transition and exchange of aeronautical MET information Forecasting skills

Detecting and monitoring

Terminal and surface detection Terminal Weather radar Lightning detection network Wind profiler LIDAR Wind shear alert System Etc. These advanced detectors will be used to detect and monitor significant weather in aerodrome and nearby area.

Upper air detection Commercial aircrafts observation platform Wind & Temp profile Radar MET satellite data

Transition and exchange of aeronautical MET information GTS (WMO) AFTN/AMHS Short wave & VHF Network & internet Satellite communication/Data link

Forecasting skills

Development of forecasting skills Nowcasting High resolution NWP model Statistical forecast & Probability forecast Warning System of Terminal Significant Weather

Development of forecasting skills Numerical weather prediction models Improvement of the forecasting methods Constructing or improving the platform of weather forecast system

Thanks!