The following links are responsibility of the institution making available the web pages behind the link. The IPWG will try to update the link in time, but takes no responsibility for broken links.

• China Meteorological Administration, CMA
• European Centre for Medium-Range Weather Forecasts, ECMWF
• European Organization for the Exploitation of Meteorological Satellites, EUMETSAT
• European Space Agency, ESA
• Japan Aerospace Exploration Agency, JAXA
• US, National Aeronautics and Space Administration, NASA
• US, National Oceanic and Atmospheric Administration, NOAA
• World Meteorological Organization, WMO
  • Global Atmosphere Watch, GAW
  • Space Programme
  • Tropical Cyclone Programme, TCP
  • World Climate Research Programme, WCRP
  • World Weather Information Service
  • World Weather Research Programme, WWRP

• Committee on Earth Observation Satellites, CEOS
• Co-ordination Group for Meteorological Satellites, CGMS
  • International Cloud Working Group, ICWG
  • International Precipitation Working Group, IPWG
  • International radio Occultation Working Group, IROWG
  • International TOVS Working Group, ITWG
    • Microwave sensor page maintained by ITWG
  • International Winds Working Group, IWWG
• Global Precipitation Climatology Project, GPCP
  • Global Precipitation Climatology Center, GPCC
  • Pacific Rainfall database, PACRAIN
• NOAA and CIRA RAMSIDS Online
• NASA Precipitation Measurement Missions (PMM)
• WMO Global Space-Based Inter-Calibration System, GSICS

• British Atmospheric Data Centre, BADC
• CSU:
  • Climate Rainfall Data Center
  • Gridded Satellite Rainfall Maps
• Dundee Satellite Receiving Station
• EUMETSAT:
  • Multi-sensor Precipitation Estimate (MPE)
  • Operational products of the Satellite Application Facility on Support to Operational Hydrology and Water Management (HSAF)
• Global Change Data and Information System, GCDIS
• International Satellite Cloud Climatology Project, ISCCP
• JAXA:
  • GSMaP Real Time System
  • GSMaP Data Archive System
• LaMMA Blended MW-IR over Italy and Central Mediterranean
• NASA:
  • Earth Observing System, EOS
    • Earth Observing System Data and Information System, EOSDIS
    • Precipitation Processing System, TSDIS
    • TRMM Data Organized by Data Product Groups
    • TRMM Online Visualization and Analysis System (TOVAS)
  • GSFC Data and Information Service Center, DAAC
  • GFSC Global Precipitation Analysis
Online Visualization and Analysis of 4-km Global Merged IR Dataset
• NOAA:
  • CLASS, Comprehensive Large Array-Data Stewardship System
  • CPC, Climate Prediction Center - Global Precipitation Monitoring
  • Ensemble Tropical Rainfall Potential (eTRAP)
  • GPCP, Geostationary Satellite Precipitation Data Center (GSPDC)
  • Microwave Surface and Precipitation Products System, MSPPS
  • Microwave Integrated Retrieval System, MIRS
  • National Centers for Environmental Information, NCEI
  • SSMI Global Gridded Hydrological Products
• National Snow and Ice Data Center, NSIDC
• NRL, Monterey, Satellite Products
• University Corporation for Atmospheric Research, UCAR
  • Computing, Data and Software Facility, CDS
  • UCAR Community Programs, UOP
• University of California Irvine, PERSIANN Precipitation Data Page
• World Data System (WDS)