The Global Precipitation Measurement (GPM) mission,

which is led by Japan and United States and promoted trough a international collaboration framework, measures rain and snow for the benefit of all by conducting highly frequentand highly accurate global rainfall measurements using data from multi-satellites.

What's New

  • Oct. 5, 2026
    Maintenance
    System Maintenance
    Due to the system maintenance, processing of GPM images and products will be delayed or unavailable during the following period.
    Date:
    Period1: Oct. 07, 2026, 02:30 - 05:30UTC: Web and FTP access temporarily unavailable. Delay
    Period2: Oct. 08, 2026, 01:30 - 05:00UTC: Delay
  • Sep. 24, 2026
    Maintenance
    System Maintenance
    Due to the system maintenance, processing of GPM images and products will be delayed or unavailable during the following period.
    Date:
    Sep. 30, 2026, 02:30 - 05:30UTC: Web and FTP access temporarily unavailable. Delay
  • Sep. 11, 2026
    Maintenance
    System Maintenance
    Due to the system maintenance, processing of GPM images and products will be delayed or unavailable during the following period.
    Date:
    Period1: Sep. 16, 2026, 01:30 - 05:30UTC: Web and FTP access temporarily unavailable. Delay
    Period2: Sep. 17, 2026, 01:30 - 03:30UTC: Delay
  • Jun. 16, 2026 (Jul. 29 update)
    Product
    Termination of Updates for GSMaP Algorithm Version 7
    The updates for the standard products of the Global Satellite Mapping of Precipitation (GSMaP) algorithm version 7 (v7), which have been provided via the FTP site, were terminated on May 31, 2026. This applies to the following products:
       GSMaP_MVK
       GSMaP_Gauge
    In addition, updates for the v7 near-real-time products were terminated on Jun 29, 2026. This applies to the following products:
       GSMaP_NRT
       GSMaP_Gauge_NRT
    Please note that the previous v7 data, as well as algorithm versions 6 (v6) and 8 (v8), will continue to be available.

    Details of the affected products, FTP site directories, and their respective availability periods are as follows:

    Standard products (GSMaP_MVK, GSMaP_Gauge)
       /standard/v7    (March 1, 2014 – May 31, 2026)
       /HDF/standard/v7    (January 1, 2024 – May 31, 2026)
    Near-real-time products (GSMaP_NRT, GSMaP_Gauge_NRT)
       /realtime_ver/v7    (April 1, 2017 – Jun 29, 2026)
       /HDF/realtime_ver/v7    (January 1, 2024 – Jun 29, 2026)

    We appreciate your understanding and continued support.
  • Jul. 8, 2026
    Home Page
    JAXA Realtime weather watch (NEXRA3.0) has started providing forecasts up to 10 days ahead
    The weather forecasts provided by NEXRA3.0 have been extended from the previous 5-day forecast range to 10 days. By advancing the display time using options such as "+1 hour" or "+1 day," users can monitor future weather forecasts.
    *The actual number of forecast days available may vary depending on the operational status of the JAXA Supercomputer System (JSS) and other factors.*
    In addition, we have started releasing part of the NEXRA3.0 data via an FTP site. Please refer to this page for information on data use.
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