Aeronautical Meteorology Service of China

Xu JianliangMET 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 OperationalLaw and RulesTrainingTechnical PlanResearchEtc.

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 ManagementATMBRegional ATMB

Three grades operationAeronautical Meteorological CenterRegional Aeronautical Meteorological Center

/MWOAerodrome 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 centr

alized Operational control of flight operations Flight documents -Use by flight crew membe

rs 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. InformationMETAR & SPECI/TAFTREND Landing Forecast & taking-off forecas

t SIGMETAerodrome warning/Wind shear alertSignificant weather chartUpper wind/temperature chartAIREP (Air report)Etc.

Continue

Basic met. DataSatellite imagesRadar dataNumerical weather prediction dataAWOS dataWeather Charts

Continue

Aeronautical specific guidanceIndex 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. InformationMETAR & SPECITAFTRENDLanding & taking-off

forecastROFORSIGMETAIRMETGAMET

.

Aerodrome warningWind shear alertSignificant weather

chartUpper

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 We

ather

Development of forecasting skills

Numerical weather prediction models Improvement of the forecasting methods Constructing or improving the platform of

weather forecast system

Thanks!