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OpenWIS is an implementation of the
WMO Information System.

- OpenWIS v3.14.8

GISC Seoul Catalog

The following catalogs provide a list and information of world weather data from GISC Seoul.

  • Contents of information : Users can search the data from GISC Seoul portal, download the data, and utilize the data after confirming the desired data information such as file format, file name, observation element, observation point and observation time in the catalog.
  • GISC Seoul User Guide and Video [Link to Help page]
  • GISC Seoul catalog download (Excel format) :
GISC Seoul World Weather Catalog
1.Data Type
TAC : (Traditional Alphanumeric Codes) Text format with alphanumeric characters(ASCII format)
TDCF : (Table Driven Code Forms) Three types of table-based data structure types that complement the disadvantages of TAC
  • BUFR : (Binary Universal Form for the Representation of Meteorological Data) Mainly used for observation data such as satellite observation, aerial observation, wind profiler observation, tropical cyclone information
  • CREX : (Character Form for the Representation and Exchange of Data) Mainly used for exchanging data and tropical cyclone information on ozone, radioactivity, water resources, tide gauge, soil temperature, etc.
  • GRIB : (Processed Data in the form of grid-point values expressed in binary form) Grid data type mainly used for satellite data, numerical forecast, etc.
Download reference :   
2. CodeForm : WMO Code Manual(Manual on Codes; In the form of data in accordance with WMO-No. 306, in the form of "FM-Roman numerals" according to the number of sessions adopted or revised by WMO CSM / CBS (since 1974) (e.g. FM12 Surface observation, FM13 SHIP observation, FM18 Buoy observation)
Download reference :   
3. File Name : The file naming convention (WMO abbreviated heading) as defined in the World Meteorological Organization is T1T2A1A2ii, and the type and nature of the data can be known from T1T2A1A2ii
※ e.g. SMKO : S(Surface) M(Main) KO(Korea) = Korea's surface observation data observed on time(TAC)
      ISMC : I(BUFR) S(Surface) M(Main) C(Northeast Asia Area) = Surface observation data of Northeast Asia region observed on time(BUFR)
Download reference :
4. Collection path : Data Exchange Hub Center to distribute world weather data
5. Category : The data policy determined by the consent of the Member States of the World Meteorological Organization
  • E (Essential) : Materials available to anyone without conditions
  • A (Additional) : Restrict access to data in accordance with policies established by the data producing country (center)
  • O (Other) : This is data that does not belong to E or A, and most are aviation data.
Download reference :
6. Production center code(CCCC) : Mark as CCCC according to WMO file naming rule (WMO abbreviated heading) to data producing country
※ e.g. RKSL(KMA), RJTD(JMA) EGGR(UKMO)
Download reference :
7. Distribution start date : Date on which data was first distributed
8. Observation time : Observed time (e.g. 00, 03, 06 UTC)
9. Observation element : Observation element (e.g. Temperature, wind direction, wind speed, precipitation)
The World Meteorological Organization (WMO) has been working for several years towards upgrading its global infrastructure to support all of its international programmes of work, both operational and research-based, to collect, share and disseminate information. The new infrastructure is called the WIS, the WMO Information System, and identifies three top-level functions. These are:
  • GISC: Global Information System Centre
  • DCPC: Data Collection or Production Centre
  • NC: National Centre.
All three functions contribute to the circulation of priority data, system wide security, monitoring and implementation of WMO data policies. GISCs, DCPCs and NCs allow the Discovery Access and Retrieval of data, products and services offered by WIS Centres over the world. KMA was designated as 「GISC Seoul」 in 2012. Since 2013, it has been operated with OpenWIS which was developed as dedicated software by KMA(Korea), Met.Office(U.K.), MF(France), MFI(France) and BoM(Australia). Recently, KMA customized the latest versioned OpenWIS to serve various metadata of GEOSS so that users can take not only meteorological data but also non-meteorological ones for better social and economical community.
A list of feasible TTAAii-based data for decoding service
TAC formed TTAAii BUFR formed TTAAii
SI** T1(S): Surface data
T2 (I): Intermediate synoptic hour		 ISI* T1(I): Binary Code
T2(S): Surface
A1(I): Intermediate synoptic hour
SM** T1(S): Surface data
T2 (M): Main synoptic hour		 ISM* T1(I): Binary Code
T2(S): Surface
A1(M): Intermediate synoptic hour
UE** T1(U): Upper air data
2(E): Upper level pressure, temperature, humidity and wind(Part D)		 ISN* T1(I): Binary Code
T2(S): Surface
A1(N): Nonstandard synoptic hour from mobile station
UF** T1(U): Upper air data
T2(F): Upper level pressure, temperature, humidity and wind(Parts C and D)		 ISS* T1(I): Binary Code
T2(S): Surface
A1(S): Synoptic marine Station
UK** T1(U): Upper air data
T2(K): Upper level pressure, temperature, humidity and wind(Part B)		 IUK* T1(I): Binary Code
T2(U): Upper air data
A1(K): Radio Sounding from station(up to 100 hPa)
UL** T1(U): Upper air data
T2(L): Upper level pressure, temperature, humidity and wind(Part C)		 IUS* T1(I): Binary Code
T2(U): Upper air data
A1(K): Radio Sounding from station(entire sounding)
UM** T1(U): Upper air data
T2(M): Upper level pressure, temperature, humidity and wind(Parts A and B)		 IOB* T1(I): Binary Code
T2(O): Oceanographic/limnnographic
A1(B): Buoy Observations
US** T1(U): Upper air data
T2(S): Upper level pressure, temperature, humidity and wind(Part A)		 IUA* T1(I): Binary Code
T2(U): Upper air data
A1(A): Single level aircraft reports (automatic)
UD** T1(U): Upper air data
T2(D): Aircraft reports
The cache data in stock for more than 24 hours
No Weather elements(FORMAT) No Weather elements(FORMAT) No Weather elements(FORMAT) No Weather elements(FORMAT)
1 SYNOP (FM 12) 15 WINTEM (FM 50) 29 Pressure (GRIB) 43 Wave height combinations (Binary coded)
2 SHIP (FM 13) 16 TAF (FM 51) 30 Relative humidity (GRIB) 44 Pressure (Binary coded)
3 METAR (FM 15) 17 ARFOR (FM 53 /TEXT) 31 Temperature (GRIB) 45 Temperature (Binary coded)
4 SPECI (FM 16) 18 TRACKOB (FM 62) 32 Eastward wind component (GRIB) 46 AIRMET (TEXT)
5 BUOY (FM 18) 19 BATHY (FM 63) 33 Northward wind component (GRIB) 47 SIGMET (TEXT)
6 RADOB (FM 20) 20 TESAC (FM 64) 34 Lifted index (GRIB) 48 Severe thunderstorm (TEXT)
7 PILOT (FM 32) 21 WAVEOB (FM 65) 35 Observational plotted chart (GRIB) 49 Warnings and weather summary (TEXT)
8 PILOT SHIP (FM 33) 22 HYDRA (FM 67) 36 Wind (GRIB) 50 Weather Summary (TEXT)
9 PILOT MOBIL (FM 34) 23 HYFOR (FM 68) 37 Oceanographic /limnographic (BUFR) 51 Miscellaneous (TEXT)
10 TEMP (FM 35) 24 CLIMAT (FM 71) 38 Surface /sea level (BUFR) 52 Public (TEXT)
11 TEMP SHIP (FM 36) 25 CLIMAT TEMP (FM 75) 39 Upper air (BUFR) 53 Other shipping (TEXT)
12 TEMP MOBIL (FM 38) 26 Precipitation (GRIB) 40 Other surface data IAC (CREX) 54 Other (TEXT)
13 CODAR (FM 41) 27 Height (GRIB) 41 RADAR (Binary coded) 55 Seismic data
14 AMDAR (FM 42) 28 Vertical velocity (GRIB) 42 Significant weather (Binary coded) 56 Ozone

The 63 metadata categories to GEOSS
No GEOSS Categories No GEOSS Categories
1 Australia Ocean Data Network 33 Environment Canada (WMS)
2 AtlantOS 34 The Land Resource Information Systems Portal - New Zeland
3 China GEOSS 35 Alabama geologic map data
4 Copernicus Atmosphere Monitoring Service (CAMS) 36 EnerGEO Geoportal (Geoportal Server 1.2.2) - OGC CSW 2.0.2 ISO API including INSPIRE Network Service Capabilities
5 Cyprus Geoportal 37 Geodatenkatalog-DE
6 German Aerospace Center (DLR) 38 DEIMS-DIP
7 ECOPOTENTIAL Catalogue 39 Global Facility for Disaster Reduction and Recovery (GFDRR)
8 ECOPotential VLab 40 ICIMOD Regional Database System
9 ECOWAS Centre for Renewable Energy and Energy Efficiency 41 Chile GEO Portal
10 EURAC Research 42 IGN GeoPortal
11 New Zealand National Institute for Water and Atmospheric Research (NIWA) 43 National Institute for Space Research - Brazil (INPE)
12 Eurogeoss Data 44 USGS Landsat 8
13 Food and Agriculture Organization (FAO) 45 MESA-IGAD Geoportal
14 Finnish Open Data 46 Moldova Geo Portal
15 UNOSAT 47 NASA Goddard Space Flight Center (GSFC) Ozone Watch
16 Polar Data Catalogue 48 Eumetsat Product Navigator
17 Environmental data on the Mediterranean and Black Sea regions 49 One Geology
18 Atmospheric Infrared Sounder (AIRS) NASA WMS 50 Regional Center for Mapping of Resources for Development (RCMRD) GEO PORTAL
19 ISPRA, Italian Environment Protection and Technical Services Agency - Data 51 Research Data Archive (RDA)
20 GEO SUR 52 Sentinel
21 ISRIC - World Soil Information (WDC-Soils) 53 Swedish Open Data (SMHI)
22 Esri GEOSS Portal 54 UNESCO-IHP Water Information Network System (WINS)
23 Envirogrids metadata catalogue 55 US NODC Collections
24 Alabama geologic map data (USGS) 56 NOAA UNIFIED Access Framework Catalog
25 Great Lakes Metadata Catalog 57 European Environment Agency SDI Catalog
26 Polar Data / Canada 58 New Zealand government geodata catalog
27 Atmospheric Infrared Sounder Near-Real Time Data (NASA) 59 Marine Ecosystem dynamics and Indicators for North Africa (MEDINA)
28 United States Geoscience Information Network Metadata Catalog 60 Data Integration and Analysis System (DIAS) - Japan
29 Transboundary Waters Assessment Programme (TWAP) 61 Webservice Energy Catalog
30 geonetwork GRID 62 CEOS International Directory Network (IDN)
31 VITO /Copernicus Global Land Services 63 PANGAEA
32 Open Topography