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
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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
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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
 Humidity forecast
 Temperature forecast
 Rainfall forecast
 Height forecast
 Mean sea level
 Vortex forecast
pressure forecast
 Depression of dew
point
 Etc.
 Divergence forecast
 Vertical velocity
forecast
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
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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!