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Jae-Myun Meteorological Satellite Division Korea Meteorological Administration Current Status of Data Exchange and Application.

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Presentation on theme: "Jae-Myun Meteorological Satellite Division Korea Meteorological Administration Current Status of Data Exchange and Application."— Presentation transcript:

1 Jae-Myun Shim(jmshim2@kma.go.kr) Meteorological Satellite Division Korea Meteorological Administration Current Status of Data Exchange and Application for ATOVS in KMA APSDEU-7/ 20-22 September 2006/ NOAA

2 2 Contents Facilities for Satellite Data Acquisition Applications for Weather and Environmental Analysis  Geostationary Satellite  Polar Orbital Satellite  Product Service Satellite Data Assimilation Status and Plan for Data Exchange of ATOVS

3 APSDEU-7/ 20-22 September 2006/ NOAA 3 Milestones of Satellite Service in KMA 1 Dec. 1970: Install APT (Automatic Picture Transmission) system to acquire the satellite images of ESSA-8, and NOAA-1 14 Jul. 1977: GMS-1(Japan) was successfully launched (140E) 1 Apr. 1979 : Acquired and used GMS-1 image (LR fax image) Up to 2004 : GMS, NOAA, FY, GOES series data had been acquired and used operationally for weather forecast in KMA MDUS : MESDAS-I(1989), MESDAS-II(1998) 2001-2004 : Develop and install receiving system for EOS satellite like Terra and Aqua for Earth and Environment monitoring 2005 : Receive and use FY-2C data, MTSAT-1R, and NOAA-18, successfully 2008 : COMS will be launched

4 APSDEU-7/ 20-22 September 2006/ NOAA 4 Seosan Flow of Satellite Service Foreign Satellite data Service Center (eg : NASA) MTSAT, FY, Meteosat, NOAA, Terra, Aqua etc. Munsan Raw Data Seoul H.Q. FTP  MESDAS-II (Meteorological Satellite Data Reception/Analysis System) Based on TeraScan System  ACAP(Aqua Catalogue and Product)  Special Receiving System Intranet, Exclusive Line  Forecast Office  Numerical prediction model  Government Organization  Commercial Weather Sector  Public  Research Institute / University Internet, Offline Service

5 APSDEU-7/ 20-22 September 2006/ NOAA 5 Seosan Weather Station : - NOAA-12,15,18 - FY-1D Seoul (KMA) : - NOAA-12,17,18 - MTSAT-1R, FY-2C Munsan Weather Station : - METEOSAT-5 - Terra, Aqua

6 APSDEU-7/ 20-22 September 2006/ NOAA 6 Antenna System Geostationary (MTSAT-1R:MDUS) Diameter : 3.7m Band : L-Band (SEOUL) Polar Orbit (NOAA Series) Diameter : 1.5 m (Radom 1.8m) Band : L-band (SEOUL) Polar Orbit (NOAA Series) Diameter : 1.5 m (Radom 1.8m) Band : L-band (SUSAN) EOS (TERRA, AQUA) Diameter : 3.6m(Radom 4.2m) Band : X-Band (MUNSAN)

7 APSDEU-7/ 20-22 September 2006/ NOAA 7 Operational Satellite and Products SatelliteImaginary ProductsDerived Products Geostationary Satellite MTSAT-1R FY-2C Meteosat-5 Split IR, VIS, WV Composite Image Overlay Image with NWP output C T, C P, C H CMV, RR SST, OLR Dust, Fog Polar Orbit Satellite NOAA (12,15,17,18) FY-1D VIS, IR, Near IR Composite Image Overlay Image with NWP output Vertical Profiles (T, Td, Wind, Total Ozone) SST, Dust, Fog EOS Satellite Terra, Aqua QuikSCAT SeaWiFS RGB Composite Image Sea wind Fire, Dust SST, Sea wind RR

8 APSDEU-7/ 20-22 September 2006/ NOAA 8 Contents Facilities for Satellite Data Acquisition Applications for Weather and Environmental Analysis  Geostationary Satellite  Polar Orbital Satellite  Product Service Satellite Data Assimilation Status and Plan for Data Exchange of ATOVS

9 APSDEU-7/ 20-22 September 2006/ NOAA 9 Geostationary Satellite Since July 2005, MTSAT-1R data have been operationally used for weather forecast.

10 APSDEU-7/ 20-22 September 2006/ NOAA 10 Cloud Analysis using MTSAT-1R Atmospheric Motion VectorCloud Top Temperature

11 APSDEU-7/ 20-22 September 2006/ NOAA 11 Combined Image of Geostationary Satellite MTSAT-1R and Meteosat-5 (per one hour)

12 APSDEU-7/ 20-22 September 2006/ NOAA 12 Contents Facilities for Satellite Data Acquisition Applications for Weather and Environmental Analysis  Geostationary Satellite  Polar Orbital Satellite  Product Service Satellite Data Assimilation Status and Plan for Data Exchange of ATOVS

13 APSDEU-7/ 20-22 September 2006/ NOAA 13 Polar Orbiting Satellites Current Status KMA has three different sites for receiving data from polar-orbiting satellites. Seoul (KMA) : NOAA-12, 17, 18 Seosan (100 km southwest from Seoul) : NOAA-15, FY-1D Munsan (50 km northwest from Seoul) : Terra, Aqua On-going Since July 2004, the raw pass data of FY-1D are directly received. IR (Ch 4) images of FY-1D have been produced for forecast since October 2004. We are testing the L1B data to produce derived products from FY-1D. Future Plan KMA has the plan to receive data from the polar orbiting satellites of next generation. METOP (2007), NPP (2009), NPOESS (2012?-)

14 APSDEU-7/ 20-22 September 2006/ NOAA 14 AQUA MODIS NOAA AVHRR Polar Orbiting Satellites Images Images Providing images of VIS, IR in the area of Asia and Korea. Providing improved images using high-resolving spectral observation. Providing true color composite images for detect fire and Asian dust.

15 APSDEU-7/ 20-22 September 2006/ NOAA 15 NOAA-AVHRR Imaginary Products VIS(ch1) IR(ch4) Near IR(ch2) Composite Image VIS & IR Enhanced IR

16 APSDEU-7/ 20-22 September 2006/ NOAA 16 ( TBB, SW, SST Composite Image Display) 2006. 9.16 Typhoon SHANSHAN Typhoon analysis system

17 APSDEU-7/ 20-22 September 2006/ NOAA 17 Weekly Composite of AVHRR Weekly Composite of MTSAT-1R Products-SST Both MTSAT-1R and NOAA data are used to derive the SST field. Weekly composite data are provided for SST field. High resolution SST field shows several benefits in the NWP model.

18 APSDEU-7/ 20-22 September 2006/ NOAA 18 Method KMA uses NIR (3.9  m) to detect fog. Dual Channel Difference (DCD) Method is used to detect fog. NOAA IR NOAA Near IR FOG Products-Fog detection

19 APSDEU-7/ 20-22 September 2006/ NOAA 19 Retrieval Processes of ATOVS Retrieval Program AAPP (ATOVS and AVHRR Processing Package, v5.2, NWP SAF) : Produce L1d data IAPP (International ATOVS Processing Package, v2.1, SSEC) : Retrieve L2 data Retrieved Data T, Td, WV, GPH, wind, Cloud, TPW, rain rate, total ozone, Tbb (HIRS, AMSU) etc.

20 APSDEU-7/ 20-22 September 2006/ NOAA 20 Coverage of available received data(2001.8)

21 APSDEU-7/ 20-22 September 2006/ NOAA 21 850hPa (T-Td) 200hPa (wind speed) Retrieved Products of ATOVS Products Data : T, Td, Wind, GPH Layer : 1000, 950, 920, 850, 700, 500, 400, 300, 250, 200, 100 hPa (11 layers)

22 APSDEU-7/ 20-22 September 2006/ NOAA 22 Verification of ATOVS (T, Td) Each Profile Sonde data at three points over Korea are used for the comparison of each profile. Providing the characteristics of ATOVS for each weather case. Large difference of ATOVS in the case of inversion layer.

23 APSDEU-7/ 20-22 September 2006/ NOAA 23 Temperature profile Bias =  0.5  C RMSE = 1.5  C Dew point temperature profile Bias =  10  C RMSE = 15  C Maximum at around 300hPa Verification of ATOVS (T, Td) Weekly Average Bias and RMSE for every week at three points are produced and displayed in intranet. Providing more systematic errors of ATOVS.

24 APSDEU-7/ 20-22 September 2006/ NOAA 24 Contents Facilities for Satellite Data Acquisition Applications for Weather and Environmental Analysis  Geostationary Satellite  Polar Orbital Satellite  Product Service Satellite Data Assimilation Status and Plan for Data Exchange of ATOVS

25 APSDEU-7/ 20-22 September 2006/ NOAA 25 Products service through Intranet

26 APSDEU-7/ 20-22 September 2006/ NOAA 26 Products service through Internet www.kma.go.krwww.kma.go.kr / www.weather.go.krwww.weather.go.kr

27 APSDEU-7/ 20-22 September 2006/ NOAA 27 Satellite Information Service System Satellite Information Service System http:siss.kma.go.kr:siss.kma.go.kr

28 APSDEU-7/ 20-22 September 2006/ NOAA 28 Facilities for Satellite Data Acquisition Applications for Weather and Environmental Analysis  Geostationary Satellite  Polar Orbital Satellite  Product Service Satellite Data Assimilation Status and Plan for Data Exchange of ATOVS Contents

29 APSDEU-7/ 20-22 September 2006/ NOAA 29 Satellite Data Assimilation in KMA Operation  MTSAT-1R TBB bogus data  Direct use of ATOVS level 1D data in 3dVar  SATOB (BUFR) and SATEM data  QuikScat data assimilation using MRF PBL operator in the global and regional 3dVar Semi-operation  Apply FGAT with ATOVS data  MODIS polar wind  SSM/I data  Unified 3dVar with ATOVS level 1C data  GPS Radio Occultation data assimilation ※ FGAT : First Guess at Appropriate Time

30 APSDEU-7/ 20-22 September 2006/ NOAA 30 ATOVS DATA NUMBERS MODEL: GDAPS (Global Data Analysis and Prediction System ) - T426L40 ( 0.28125°) ANALYSIS : 3DVAR CASE : 2005.10.04.00 UTC ~ 10.14.12 UTC ( 6 hourly cycle, 10 days forecast) 9 % ↑

31 APSDEU-7/ 20-22 September 2006/ NOAA 31 Number of ATOVS (2005.10.04.) CTRL FGAT

32 APSDEU-7/ 20-22 September 2006/ NOAA 32 500hPa GPH RMSE 2005-6 DJF2005 JJA

33 APSDEU-7/ 20-22 September 2006/ NOAA 33 Future Data Assimilation Plan Use direct readout ATOVS data Operation of 1dVar for the SSM/I radiance data to update surface wind Replace MTSAT-1R bogus profile to direct assimilation of water vapor channel of MTSAT 1R Operation of the unified 3dVar for global and regional Data Assimilation with adaptive bias correction method

34 APSDEU-7/ 20-22 September 2006/ NOAA 34 Contents Facilities for Satellite Data Acquisition Applications for Weather and Environmental Analysis  Geostationary Satellite  Polar Orbital Satellite  Product Service Satellite Data Assimilation Status and Plan for Data Exchange of ATOVS

35 APSDEU-7/ 20-22 September 2006/ NOAA 35 Background and history It was discussed at APSDEU-6 that ATOVS data would be exchange in Asia-Pacific area. It was decided that Tokyo and Beijing would be the intra-regional data centers. First exchange test within A-P area would have been finished till the end of 2005. KMA has started the detailed discussion to implant RARS system with JMA since May 2006. Format and telecommunication method for ATOVS data exchange was finalized according to the discussion with JMA. KMA prepared the encoding and decoding program for ATOVS data during June 2006. KMA debugged errors in BUFR data to be ready for data exchange from July to early August 2006. KMA finished to produce ATOVS BUFR data to be exchanged with JMA by August 2006

36 APSDEU-7/ 20-22 September 2006/ NOAA 36 Current Status and Future Plan Data to be exchanged : ATOVS AAPP L1C (HIRS, AMSU-A, AMSU-B) Data format : Compressed BUFR Telecommunication : GTS between Seoul and Tokyo Data from Seoul to Tokyo : 1 HRPT station (Seoul) Data from Tokyo to Seoul : 9 HRPT station (2 Japan, 3 China, 4 Australia) First test exchange succeeded on 15 September between Seoul and Tokyo. Data exchange for routine operation would be performed since 20 September. Exchanged ATOVS data will be utilized in regional NWP model

37 APSDEU-7/ 20-22 September 2006/ NOAA 37 Thank you 감사합니다

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