Introduction of GSMaP Products for SWCEM-EAWP

JAXA has participated in the World Meteorological Organization (WMO) Space-based Weather and Climate Extremes Monitoring (SWCEM) by providing the Global Satellite Mapping of Precipitation (GSMaP).

The following data with Spatial Domain: 40N-45S /50E-120W (Data format: NetCDF & binary) are available in the GSMaP Products for the SWCEM East Asia and Western Pacific regional operational subproject (SWCEM-EAWP).

  1. Mean precipitation estimates for hourly, daily (00-23UTC), pentad (5-day), weekly (Monday ? Sunday), 10-day and monthly
    • Space resolution: 0.1°lat/lon grid box
  2. Statistics for daily, pentad, weekly and monthly precipitation
    • Space resolution: 0.1°lat/lon grid box
    • variables:
      1. Climate normal for all
      2. 90th ~ 99th Percentiles for all
      3. Percentage of rainy (>=1mm/day) days in a month
  3. Standardized Precipitation Index (SPI) (1-Month, 2-Month, 3-Month) for grid boxes over land
    • Space resolution: 0.25°lat/lon grid box

Please see the GSMaP Products for SWCEM-EAWP User Guide for further information.

Terms of Use

This is a registration site for a services to provide the JAXA GSMaP product for the WMO SWCEM.

"Terms of Use of Research Data" is applicable to the currnet services.

Please refer to the following example for indication of the credit of the GSMaP data.

  • "GSMaP data by Japan Aerospace Exploration Agency (JAXA)."

Please see "User Guide" for papers describing the Global Satellite Mapping of Precipitation (GSMaP).

(1) Protection of Personal Information & Handling of Personal Information

JAXA handles the personal information such as names and e-mail addresses in accordance with the Code and other laws and regulations regarding personal information including GDPR and JAXA's rules on protection of personal information.
For details, refer to "Consent form for handling personal information based on GDPR" and "JAXA Privacy Policy".

JAXA doesn't use registered personal information except for the following purposes:

  • Statistic and analysis of data use
  • Questionnaire surveys to users for improvement of the Service
  • Response to inquiries from users

In addition, JAXA employs other companies to perform functions on our behalf. The functions include the system management, user management, and Help Desk operation.
They may access to personal information to perform the functions, but may not use it for other purposes.

(2) Management of account and password

User account and password are managed and used under the responsibility of user. JAXA is not responsible to you for any loss or damage or due to any other cause beyond the control of JAXA that may be caused by misuse of user account and password by another person.

(3) Ownership of Data etc.

The copyrights of the standard products and other materials provided in the Service are the property of JAXA.

Do you agree to the Terms of Service?