Overlayer Opacity Control
Opacity:
Basemap Select
Geographic layers

Country Search
Location change
Latitude:
Longitude:
Zoom:
Other Functions
1. Please select method.

2. Click the map.
Latitude:
Longitude:
2. Click and Drag the map
North:
West:
East:
South:
2. Select Borough.
200 km

What's new

Feb./14/'25 NEW
JAXA Realtime weather watch & GSMaPxNEXRA Global Precipitation Forecasts

Due to system maintenance, updates will be suspended from Feb.15, 2025 to Feb.17, 2025. We apologize for any inconvenience.
Feb./4/'25
Precipitation climatology (10-year mean) observed by GPM

We have created a website for climatological values (10-year average) of precipitation observed by GPM.

Dec./26/'24
JAXA Realtime weather watch & GSMaPxNEXRA Global Precipitation Forecasts

Due to system maintenance, updates will be suspended from Dec.27, 2024 to Jan.7, 2025. We apologize for any inconvenience.

Dec./05/'24
Guidelines for using the Global Satellite Mapping of Precipitation (GSMaP) was released.

These guidelines are based on the GSMaP training materials provided by JAXA. These guidelines are intended to serve as a textbook for using GSMaP.

Nov./29/'24
GSMaP_NOW Algorithm Revision Notice

From December 1, 2024, GSMaP_NOW and GSMaP_Gauge_NOW will be updated to the revised algorithm version 8.
GSMaP_NOW has been improved processing algorithm and GSMaP_Gauge_NOW has been fixed bugs.

Nov./15/'24
System Maintenance

Due to the system maintenance, processing of GSMaP images and products will be delayed or unavailable during the following period.
Date:
Period1: Nov. 19, 2024, 04:30 - 05:30UTC: Web and FTP access temporarily unavailable.
Period2: Nov. 20, 2024, 04:30 - 05:30UTC: Delay
Period3: Nov. 23-24, 2024: Suspension of data provision. Delay in user registration email.
Period4: Nov. 27, 2024, 04:30 - 05:30UTC: Web and FTP access temporarily unavailable. Delay

Oct./09/'24
GSMaP HDF is now available

HDF data since 1 Jan.2024 is now available for GSMaP version 7 and 8 products.

Sep./27/'24
System Maintenance

Due to the system maintenance, processing of GSMaP and NEXRA images and products will be delayed or unavailable during the following period. We apologize for any inconvenience.
Date: Oct. 3, 2024, 02:00 - 07:00 (UTC)

Sep./13/'24
Our Web and ftp system will be unavailable from 01:00(UTC), Sep. 18 to 07:00(UTC), Sep. 18 due to our system maintenance. We apologize for any inconvenience.

Jul./23/'24
JAXA Realtime weather watch & GSMaPxNEXRA Global Precipitation Forecasts

Due to system maintenance, updates will be suspended from 18:30(UTC), Jul.27 to 11:00(UTC), Jul.31.
We apologize for any inconvenience.

Jul./01/'24
NEXRA (NICAM-LETKF JAXA Research Analysis) has been upgraded.

In addition to improved accuracy compared to the previous version, it is now possible to display the vertically integrated cloud ice and cloud water amount in the atmosphere.

Jun./20/'24
JAXA Realtime weather watch & GSMaPxNEXRA Global Precipitation Forecasts

Due to system maintenance, updates will be suspended from 04:00(UTC), Jun.21 to 11:00(UTC), Jun.24.
We apologize for any inconvenience.

May./27/'24
GPM 10th Anniversary Symposium "Unraveling precipitation from satellites"

On 19th Jul. 2024 (Fri), JAXA, NICT and NASA will hold the GPM 10th Anniversary Symposium "Unraveling precipitation from satellites" at Tokyo, Japan + Online Streaming.

Apr./19/'24
[Quick Report] Monitoring extreme heavy rainfall in UAE by Global Satellite Mapping of Precipitation (GSMaP)

The United Arab Emirates (UAE) experienced record rainfall on April 16, 2024. JAXA is monitoring the precipitation from space through the Global Satellite Mapping of Precipitation (GSMaP). The present report is an analysis of precipitation in the UAE.

Apr./10/'24
JAXA Realtime weather watch & GSMaPxNEXRA Global Precipitation Forecasts

Due to system maintenance, updates will be suspended from 18:00(UTC), Apr.12 to 11:00(UTC), Apr.17.
We apologize for any inconvenience.

Mar./5/'24
The JAXA resumed the GPM/DPR Standard products

The JAXA resumed the GPM/DPR Standard products(L1B are V07B, other products are V07C) at 05:00(UT) March 5, 2024.
Please refer to the following web page for details such as algorithm improvements, file format and file name.

Feb./20/'24
Maintenance

Due to the system maintenance, processing of GSMaP images and products will be delayed or unavailable during the following period.

Period-1 : Feb. 22-26 01:00(UTC), 2024 : Web update stopped (while FTP available)
Period-2 : Feb. 26, 2024, 01:00 - 06:00(UTC): Web and FTP unavailable
Period-3 : Mar. 06, 2024, 01:00 - 03:00(UTC): Web and FTP unavailable

Jan./25/'24
E-Mail Server Maintenance Notification

Due to e-mail server maintenance, inquiry emails to the GSMaP Real-Time Office may be bounced on all day Saturday, Jan. 27, 2024.
If the email bounces, please resend it another day.

Jan/16/'24
GPM/DPR Near-real-time (NRT) processing products (version 07X) Release

JAXA and NASA started to release near-real-time (NRT) processing products of the Global Precipitation Measurement Program (GPM) Dual-frequency Precipitation Radar product (DPR) version 07X at 8 UTC 16th January 2024. This version 07X is the first product to support changes in the orbit boost of the GPM Core Observatory. V07X is positioned as an experimental version, and we plan to continue calibration and evaluation, and resume providing DPR standard products (calibration verified) in March 2024.
Dec/1/'23
GPM Orbit Boost

As in the announcement of the NASA homepage, the GPM Core Observatory satellite performed two orbit boost maneuvers on Nov. 7 and 8, 2023 that raised its altitude from 407km to 442km.
Nov/27/'23
Maintenance

Access to our web services will be difficult from 01:00(UTC), Dec.5 to 08:00(UTC), Dec.5 due to our system maintenance. We apologize for any inconvenience.
Nov/1/'23
Suspension of GPM/DPR and Minor upgrade of GSMaP

We suspend to provide GPM/DPR products(V07) from 8:00(UT) November 7, 2023 because of GPM orbit boost. We are going to restart providing Near-real-time products from January 2024, Standard products from March 2024.
Oct/16/'23
GPM Orbit Boost

As in the announcement of the NASA GPM Website, the GPM Core Observatory satellite is scheduled to undergo a series of orbit boost maneuvers which will raise its altitude from 407km to 442km.
Sep/15/'23
GSMaP reprocessing data (V8 algorithm) was updated.

There were issues for reprocessed data of GSMaP MVK and MVK_gauge v8 released in July 2023, so the data were reprocessed.
The product version of the reprocessed data were changed 'V8.0000.0' to 'V8.0000.1'.
For users have already download them, please re-download them.
Jul/10/'23
GSMaP reprocessing data (V8 algorithm) is now available!

We added the reprocessing data of the GSMaP for the past period after the launch of TRMM Observatory. So you can download data since January 1998 in version 8.
Jul/3/'23
GPM Products (Version 07B) Release

JAXA have started to provide a new version (Version 07B) of GPM standard products.
Mar/30/'23
Tackling Extreme Precipitation Events Workshop -Indo-Pacific region-

The online workshop “Tackling Extreme Precipitation Events Workshop -Indo-Pacific region-” was held jointly by the Japan Aerospace Exploration Agency (JAXA) and the Japan Meteorological Agency (JMA) from March 1st to 3rd, 2023.
Mar/17/'23
"JAXA 3D RAINFALL WATCH" updates have been restored to 00:00 UTC on March 17, 2023. We apologize for any inconvenience.
Mar/10/'23
We have renewed the JAXA GPM websites

We have renewed the JAXA GPM websites. The wider display is highlighted on the top page of the new websites.
Feb/28/'23
Nine years have passed since the GPM Core Observatory was launched!

Nine years have passed since the GPM Core Observatory was launched from the JAXA Tanegashima Space Center on February 28, 2014!
The GPM Core Observatory continues to observe the global precipitation till now. Taking over the will of TRMM, we hope that the GPM Core Observatory will live longer.
Feb/21/'23
"RIKEN Nowcast" updates have been restored to 00:00 UTC on February 21, 2023. We apologize for any inconvenience.
Feb/17/'23
"GSMaP data (NetCDF)" updates have been restored to 00:00 UTC on February 17, 2023. We apologize for any inconvenience.
Jan/16/'23
"JAXA Realtime weather watch" updates have been restored to 00:00 UTC on January 16, 2023. We apologize for any inconvenience.
Dec/21/'22
Due to the system trouble, GSMaP data (NetCDF), "JAXA Realtime weather watch", "RIKEN Nowcast" and "JAXA 3D RAINFALL WATCH" update have been temporarily suspended. We apologize for any inconvenience.
Sep/8/'22
Our Web and ftp system will be unavailable from 00:50(UTC), Sep.12 to 07:20(UTC), Sep.12 due to our facility maintenance. We apologize for any inconvenience.
Jun/14/'22
Release of "JAXA 3D RAINFALL WATCH" website

"JAXA 3D RAINFALL WATCH" website provides images and videos of three-dimensional rainfall observed by the Dual-frequency Precipitation Radar (DPR), which measures rainfall in three dimensions from space.
Mar/18/'22
Today's Earth Research and Development Group received The Fifth Space Development and Utilization Grand Prize by the Minister of Education, Culture, Sports, Science and Technology, Japan.

Prof. Kei Yoshimura(JAXA/UT), Dr. Wenchao Ma(UT) and Mr. Kosuke Yamamoto(JAXA), who were involved in the development of "Today's Earth," a global terrestrial hydrological simulation system that makes effective use of satellite data including GSMaP, received The Fifth Space Development and Utilization Grand Prize by the Minister of Education, Culture, Sports, Science and Technology, Japan.
Mar/18/'22
GSMaP NOW product and website updates have been restored to 13:00 UTC on March 17, 2022.
We apologize for the inconvenience.
Mar/17/'22
Currently, GSMaP NOW products and website updates are delayed or stopped due to system problems.
We apologize for the inconvenience.
Feb/28/'22
Eight years have passed since the GPM Core Observatory was launched!

Eight years have passed since the GPM Core Observatory was launched from the JAXA Tanegashima Space Center on February 28, 2014!
The GPM Core Observatory continues to observe the global precipitation till now. Taking over the will of TRMM, we hope that the GPM Core Observatory will live longer.
Feb/22/'22
The transmission problem of the input data (IR data) for GSMaP NOW products has been resolved after 06:30Z 22th February 2022. We are sorry for any inconvenience caused.
Feb/22/'22
Due to a failure in input data (IR data) transmissions, an accuracy of the GSMaP NOW product have been worse since 05:00Z 20th February 2022.
Feb/10/'22
RIKEN Nowcast Data will be stopped from Feb. 10 to Feb. 14 due to RIKEN system maintenance. We apologize for any inconvenience.
Jan/7/'22
Distribution of the IR data has been suspended by the NOAA/CPC occurred since 16Z 05th January.
An accuracy of the GSMaP_NRT may be worse and the IR will be lack in the homepage until its recovery.
Temporarily suspend v6/v7/v8 standard product distribution after 1/4 00Z.
Dec/22/'21
Performance improvement in global precipitation data from satellites

In order to provide more user friendly and high-accuracy precipitation data, JAXA has continuously conducted the researches for improving rainfall estimation algorithm in cooperation with universities and research institutions. We are pleased to announce that following data versions have been upgraded since December 2021.
Dec/6/'21
GPM Products (Version 07) Release

JAXA have started to provide a new version (Version 07) of GPM standard products.
Dec/1/'21
New GSMaP (v8) is now available

We start distributing the new GSMaP of algorithm version 8 on December 1, 2021.
The GSMaP v8 in binary and txt format is distributed as same format as current version, and we add netcdf format for real-time and near-real-time GSMaP of algorithm version 8. The currently distributed GSMaP products of v6 and v7 continue to be provided operationally.
Sep/28/'21
The floods caused by heavy rainfall in Germany and Belgium

In July 2021, intermittent heavy rainfall occurred elsewhere across Europe, causing flooding and enormous damage particularly in Germany and Belgium.
From the perspective of providing information on precipitation condition, JAXA/EORC conducted the analysis using data from the Global Precipitation Measurement (GPM) core observatory, the Global Satellite Mapping of Precipitation (GSMaP), etc., which observe condition of rain from space.
Sep/27/'21
Our Web and ftp system will be unavailable from 04:30(UTC), Sep.27 to 06:30(UTC), Sep.27 due to our facility maintenance. We apologize for any inconvenience.
Jul/14/'21
"JAXA Realtime weather watch" now provides weather simulation data with 14km horizontal resolutions.

May/12/'21
Today's Earth Research and Development Group received The Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology, Japan in 2021

Prof. Kei Yoshimura(JAXA/UT), Mr. Kosuke Yamamoto, Ms. Misako Kachi, Dr. Riko Oki(JAXA), and Assoc. prof. Dai Yamazaki(UT), who were involved in the development of "Today's Earth," a global terrestrial hydrological simulation system that makes effective use of satellite data including GSMaP, received The Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology, Japan in 2021.
May/6/'21
Update of GSMaP statistical product

We would like to inform you that the statistics of GSMaP statistical product (GSMaP_CLM) have been updated to 21-year values from 20-year values since April 30th, 2021.
Accordingly, extreme/drought indices and statistical images on the "JAXA Climate Rainfall Watch" website have also been updated.
Mar/1/'21
GSMaP receives "Dr. Roman L. Kintanar Award 2020" for significant contribution to Typhoon Committee's regional flood forecasting

The joint team of the International Centre for Water Hazard and Risk Management (ICHARM), the Infrastructure Development Institute (IDI) and JAXA was given the "Dr. Roman L. Kintanar Award for Typhoon-Related Disaster Mitigation - 2020".
Mar/1/'21
"JAXA Climate Rainfall Watch" website, 3-days product is now available!

"JAXA Climate Rainfall Watch" website is a website for the statistical variables such as climatology and extreme/drought indices in some time scales of daily to monthly based on GSMaP Gauge-calibrated Near-real-time product.
This time, 3-days product is now available.
Feb/28/'21
Seven years have passed since the GPM Core Observatory was launched!

Seven years have passed since the GPM Core Observatory was launched from the JAXA Tanegashima Space Center on February 28, 2014!
The GPM Core Observatory continues to observe the global precipitation till now. Taking over the will of TRMM, we hope that the GPM Core Observatory will live longer.
Feb/25/'21
"JAXA Realtime weather watch" and "GSMaPxNEXRA Global Precipitation Forecasts" are unavailable temporally.

Due to a replacement of the JAXA's super computer system, "JAXA Realtime weather watch" and "GSMaPxNEXRA Global Precipitation Forecasts" are unavailable temporally.
We will resume the both around mid-March 2021. We apologize for any inconvenience.
Feb/5/'21
Notice of restoration of our ftp system

Our ftp system has been restored since February 5.
We apologize for any inconvenience caused.
Feb/2/'21
Maintenance

Our ftp system will be unavailable due to our facility maintenance. We will notify as soon as it is restored.
We apologize for any inconvenience.
Dec/16/'20
Renewal of the Today's Earth Web page

The web page of Today's Earth, a terrestrial hydrological simulation system jointly developed by JAXA and the University of Tokyo, has been renewed.
Global Satellite Mapping of Precipitation (GSMaP) is utilized for the simulation.
Oct/9/'20
Network Maintenance

User registration will be unavailable from 00:00(UTC), Oct. 10 to 13:00(UTC), Oct. 10 due to our network maintenance. We apologize for any inconvenience.
Aug/20/'20
Website for "GSMaPxNEXRA" is now available.
Jul/06/'20
GPM SLH products are update with product version 06B

GPM SLH products are update with product version 06B. The data from March 2014 will be reprocessed.
  • The related documents from here
Jun/04/'20
GPM DPR Level 2 & Level 3 Experimental product (Version 06X) Release

JAXA and NASA have started to release the Global Precipitation Measurement (GPM) Dual-frequency Precipitation Radar (DPR) Experimental product (Version 06X).
  • The related documents from here
Mar/09/'20
Product and website for “JAXA Climate Rainfall Watch” is now available!
Mar/05/'20
GSMaP_NOW is now available on the homepage of the JAXA official website.
Feb/28/'20
Six years have passed since the GPM Core Observatory was launched from the JAXA Tanegashima Space Center on February 28, 2014!
The GPM Core Observatory continues to observe the global precipitation till now. Taking over the will of TRMM, we hope that the GPM Core Observatory will live longer.
Feb/18/'20
Massive bushfires in Australia seen from Space.
Dec/13/'19
A movie of "JAXA Satellites for SDGs 6 - Water Cycle Monitoring -" is available in the youtube.
Dec/09/'19
Since the accuracy of the GSMaP v6 standard product was reduced due to a transmission error in the input data, the product was reprocessed from November 11th to 14th, 2019.
If you have already acquired it, please reacquire it.
We apologize for the inconvenience.
Dec/05/'19
GPM/DPR observed "Hot tower" in Typhoon Kammuri which hit Philippines
Nov/14/'19
GSMaP v6 near real time product was recovered from 22Z 12th November 2019.
GSMaP v7 near real time product and NEXRA was recovered from 05Z 13th November 2019.
We are sorry for any inconvenience.
Nov/13/'19
Due to a failure in input data transmissions, an accuracy of the GSMaP V6 near real time product have been worse since 12Z 12th November 2019.
Due to a system trouble, distribution of GSMaP V7 near real time product and NEXRA has been suspended from 21Z 11th November 2019.
We are sorry for any inconvenience caused.
Nov/05/'19
Our Web and ftp system will be unavailable from 03:15(UTC), Nov. 7 to 03:30(UTC), Nov. 7 due to our facility maintenance. We apologize for any inconvenience.
Oct/07/'19
We resumed updating GSMaP_NOW data that temporarily suspended due to the system failure at 08:30Z on October 6th (UTC). We are sorry for any inconvenience.
Oct/04/'19
RIKEN Nowcast Data will be stopped from 08:00(UTC), Oct. 11 to about 01:00 (UTC), Oct. 15 due to RIKEN system maintenance. We apologize for any inconvenience.
Jun/27/'19
We have extended the domain of the “JAXA Realtime Rainfall Watch (GSMaP_NOW)” dataset to whole globe. Furthermore, the Gauge-adjusted GSMaP_NOW dataset has been open to the public since June 27th 2019.
Jun/05/'19
Dr. Kubota of JAXA/EORC got the Gambo-Tatehira Award from the Meteorological Society of Japan in 2019.
May/22/'19
For "JAXA Realtime weather watch", we have released images of mean-sea-level barometric pressure.
May/15/'19
GSMaP products are updated with product version 04G without reprocess of past period data.
Mar/29/'19
Movie introducing GPM/DPR was open from the "JAPAN GOV" website.

Feb/28/'19
Five years have passed since the GPM Core Observatory was launched on!

Five years have passed since the GPM Core Observatory was launched on the JAXA Tanegashima Space Center on February 28, 2014! The GPM Core Observatory continues to observe the precipitation of the world now well. Like the TRMM satellite, we wish that the GPM Core Observatory will live longer.
Feb/21/'19
We would like to inform you about the release of revised standard version with gauge-calibration (GSMaP_Gauge) Product Ver.6 and the replacement of standard version Ver. 6 data.

1) Revised GSMaP_Gauge Product Ver. 6 is released
Revised GSMaP_Gauge Product Ver. 6 is released newly. This product is adjusted by the NOAA CPC Unified Gauge-based Analysis of Global Daily Precipitation considering a sample number of rain gauges within grid boxes, as well as GSMaP_Gauge Ver.7. For this product, binary data is available since Mar. 2000.

2) Reprocessed Standard Ver.6 data was replaced
Standard Ver.6 product from March 1, 2014 to April 30, 2015 was replaced with the data reprocessed by the algorithm Ver.6.4133. Thus, Standard Ver.6 product becomes the data set processed with the same algorithm during less than 20 years.
Jan/08/'19
Although GSMaP data update processing was temporarily stopped due to transmission error of input data, operation resumed from 01:00 on January 4, 2019 (JST 9:00).
We have also completed processing for the period during which it was stopped.

As for the GSMaP v6 near real time product, December 21 to 27, 2018, the GSMaP v6 standard product conducted the product reprocessing on 21st to 23rd and 31st December 2018, so already those who have already acquired Please reacquire.
We apologize for the inconvenience.
Dec/26/'18
Due to a failure in input data transmissions, an accuracy of the GSMaP V6 product have been worse from 12Z 21th to 08Z 25th in December 2018. After our re-processing, we will replace these data.
GSMaP V7 product is not available temporarily. We are sorry for any inconvenience caused.
Nov/14/'18
JAXA Realtime weather watch website was opened.
https://www.eorc.jaxa.jp/theme/NEXRA/index.htm

Nov/01/'18
GSMaP NOW product (area-extended) is now available
We have started to distribute the area-extended “JAXA Realtime Rainfall Watch (GSMaP_NOW)” dataset which covers rainfall both in the “JMA Himawari” and “EUMETSAT Meteosat” area.
Oct/04/'18
RIKEN Nowcast Data will be stopped from 09:00(UTC), Oct. 04 to about 04:00 (UTC), Oct. 09 due to RIKEN system maintenance. We apologize for any inconvenience.
Sep/06/'18
We resumed updating GSMaP data that temporarily suspended due to the system failure at 07:00Z on September 6th (UTC). Reprocessed products were replaced. We are sorry for any inconvenience.
Aug/23/'18
GSMaP product have been recovered from 03Z Aug.23. Reprocessed products were replaced. We are sorry for any inconvenience.
Aug/22/'18
Due to the server and network failure in NOAA, GSMaP data update has been temporarily suspended from August 21 18:48(UTC).
Aug/10/'18
The Earth Observation Research Center (EORC) entire webpages will be the HTTPS-Only from middle of September.
This is due to adopt the security standard that all websites and web services only provide service through a secure HTTPS connection.
Aug/08/'18
System Maintenance
Our Web and ftp system will be unavailable from 03:00(UTC), Aug.21 to 04:00(UTC), Aug.21 due to our facility maintenance. We apologize for any inconvenience.
Jun/26/'18
We have renewed the JAXA GSMaP websites.
The wider display for rainfall is highlighted on the top page of the new websites. Regarding the "JAXA Global Railfall Watch" website, various functions were added in this renewal.
Jun/13/'18
GSMaP product have been recovered from 21Z Jun. 11. Reprocessed products were replaced. We are sorry for any inconvenience.
Jun/11/'18
Due to a system trouble, distribution of GSMaP near real time product has been suspended from 02Z, Jun. 11.
An accuracy of the GSMaP_NRT and its figure in the homepage may be worse from 16Z, Jun. 9.
May/16/'18
GSMaP products are updated with product version 04F without reprocess of past period data.
Mar/22/'18
GSMaP product have been recovered from 08(UTC) Mar. 22. Reprocessed products were replaced. We are sorry for any inconvenience.
Mar/20/'18
Our all GSMaP processing system will be unavailable from 05:30(UTC), Mar. 22 to 09:00(UTC), Mar. 22 due to our facility maintenance. We apologize for any inconvenience.
Nov/13/'17
Our Web and ftp system will be unavailable from 00:30(UTC), Nov. 15 to 06:30(UTC), Nov. 15 due to our facility maintenance. We apologize for any inconvenience.
Oct/24/'17
GSMaP v6 near real time product was recovered from 23Z 23th October. Reprocessed products were replaced from 11Z, Oct. 23 to 22Z, Oct. 23. We are sorry for any inconvenience.
Oct/24/'17
Due to a failure in input data transmissions, an accuracy of the GSMaP V6/V7 near real time product have been worse since 11Z 23th October 2017.
Oct/23/'17
Reprocessing of GSMaP v6 near real time product 10/09 04Z to 10/10 12Z, which was missing due to incorrect input value of input data (NOAA-N19/MHS), was carried out.
Oct/11/'17
Distribution of GSMaP v6/v7 near real time product was reastarted from 13Z 10th October 2017. We are sorry for any inconvenience caused.
Oct/10/'17
Distribution of GSMaP v6/v7 near real time product has been stopped because abnormal values are mixed in the input data.
In addition, we deleted the data after 04Z October 09, 2017 which was affected.
Since there is a problem with accuracy, those already downloaded, please be careful when using.
We will update information for details later.
Oct/06/'17
Stop processing of GSMaP v6/v7 standard product.
Due to a failure in input data transmissions of the GSMaP MVK v6/v7, we have stopped the processing from 00Z, Oct. 3 to 23Z, Oct. 5.
Oct/04/'17
GSMaP products are updated with product version 04E without reprocess of past period data.
Sep/29/'17
Completed recovary of GSMaP MVK and MVK_gauge v6 on Sep 29.
Reprocessed data are provided in FTP site.Sorry for the inconvenience.
Sep/20/'17
Stop processing of GSMaP v6 standard product.
Due to a failure in input data transmissions of the GSMaP MVK and MVK_gauge v6, we have stopped the processing.
Aug/29/'17
For maintenance of equipment, renewal of the following period of GSMaP_NRT v7 (product version V04) will be delayed.
period: 2017/08/28 22Z - 2017/08/29 03Z,
　　　　2017/08/29 21Z - 2017/08/30 02Z
Aug/07/'17
"GSMaP RIKEN Nowcast" is now available. JAXA opened the website to display GSMaP RIKEN Nowcast(RNC) data, and started to distribute the GSMaP RNC data via ftp site.
Jul/25/'17
Quality of the GSMaP near real-time product has been better since 02z 25th July 2017.We are sorry for any inconvenience caused.
Jul/24/'17
The IR data trouble provided by the NOAA/CPC occurred since 07Z 22nd July.
An accuracy of the GSMaP_NRT may be worse and the IR figures in Asia area will be lack in the homepage until its recovery.
May/19/'17
Case studies demonstrated by TRMM/GPM/GSMaP was revised.
May/18/'17
Reliability flag for GSMaP_NRT v6 is now available.
The reliability flag which shows a reliability of the GSMaP_NRT is now available also for v6 (Product version V03). Details are described in Data Format Description on FTP site.
May/01/'17
Reliability flag is now available.
The reliability flag shows a reliability of the GSMaP_NRT v7 (Product version V04). Details are described in Data Format Description on FTP site. The flag for the GSMaP_NRT v6 (Product version V03) will be available around mid-May.
Apr/27/'17
GSMaP products are updated with product version 04D.
Mar/27/'17
GSMaP products are updated with product version 04C (V04C). We start reprocessing all GSMaP products with V04C during the period from 1 March 2017 to now.
Mar/02/'17
GSMaP products are updated with product version 04B.
Mar/01/'17
JAXA/EORC has distributed a product of near-realtime gauge-calibrated GSMaP(GSMaP_Gauge_NRT).
Feb/09/'17
Due to our facility maintenance, you may experience difficulty in accessing to web/ftp contents during following period. Sorry for inconvenience.
Period: 01:00-01:30(UTC), Feb. 14
Feb/09/'17
Due to our facility maintenance, you may experience difficulty in accessing to web/ftp contents during following period. Sorry for inconvenience.
Period: 00:50-01:20(UTC), Feb. 10
Jan/18/'17
JAXA have started to provide a new version (product version 04, algorithm version 7) of GPM-GSMaP products.
The GPM-GSMaP new version data are available from January 17, 2017.
Concurrently, existing GPM-GSMaP data are also being reprocessed back to the start of the mission.
GPM-GSMaP algorithm changes from V3 to V4 are described in the release note and the data format.
Please note that the format of the satellite flag is changed.
Sep/28/'16
Our Web and ftp system will be unavailable from 02:45(UTC), Oct. 5 to 03:00(UTC), Oct. 5 due to our facility maintenance. We apologize for any inconvenience.
Aug/29/'16
For the "JAXA Realtime Rainfall Watch" web site, 24-hour rainfall accumulation image and 72-hour rainfall accumulation image are newly added.
Jul/29/'16
Distribution of the satellite data of the part and the IR data has been suspended by the system maintenance of NASA since 13Z 28th July.
An accuracy of the GSMaP_NRT may be worse and the IR and the satellite figures will be lack in the homepage until its recovery.
Apr/15/'16
We added the GSMaP Reanalysis Product (GSMaP_RNL) and its gauge-calibrated version, which were processed with GSMaP V6 algorithm (the latest one) for the past period before the launch of GPM Core Observatory.
Because archive data before December 2010 were added in this time, you can download data from March 2000 to February 2014.
Apr/12/'16
We added GSMaP_NOW products and updated "JAXA Realtime Rainfall Watch (GSMaP_NOW)" web site.

For GSMaP_NOW data;
The GrADS-readable products are newly added.
Archive data (Rain rate and time flag) of the GrADS-readable products are newly added.

For the "JAXA Realtime Rainfall Watch web site, the full-screen mode or window mode can be selected.
( http://sharaku.eorc.jaxa.jp/
GSMaP_NOW/index_full.htm)
Apr/08/'16
Due to the system maintenance, Web, FTP, and user registration services will be unavailable during the following period.
Date: Apr. 13, 2016, 01:25-3:00(UTC)
Feb/24/'16
Quality of the GSMaP near real-time product has been better since 13z 23rd February 2016.We are sorry for any inconvenience caused.
Feb/23/'16
The IR data trouble provided by the NOAA/CPC occurred since 19Z 22th February.
An accuracy of the GSMaP_NRT may be worse and the IR figures will be lack in the homepage until its recovery.
Jan/19/'16
We resumed processing from January 19 (JST).
Jan/17/'16
Due to the system failure occurred.
JAXA, we temporarily stop update of our dataset, "Global Rainfall Map in Near Real Time (GSMaP_NRT)", at present.
Dec/25/'15
GSMaP products are updated with product version 03F without reprocess of past period data.
Nov/02/'15
"JAXA Realtime Rainfall Watch" web site and GSMaP Realtime version (GSMaP_NOW) were released.
Sep/25/'15
GSMaP Reanalysis Product (GSMaP_RNL) and its gauge-calibrated version (GSMaP_Gauge_RNL) January 2011 to February 2014 is available.
Sep/15/'15
Due to trouble, IR data was not available from 11Z 14 September 2015 to 21Z 14 September 2015. This affects process and accuracy of GSMaP_NRT.
Jun/29/'15
For NRT data, daily 0.1-deg products of GSMaP_MVK Version 6 are newly added.
For both NRT and MVK text format data, output format of rain rate is modified from F5.2 to F6.2.
Apr/27/'15
We resumed distribution of the GPM-GSMaP near-real-time data, including all data during suspended period.
Apr/24/'15
Due to the NASA's system maintenance and consequent shutdown of data flow, distribution of the GPM-GSMaP near-real-time data will be suspended during following period.
From 10UTC April 26 (Sun) to the midnight of April 27 (Mon), 2015.
Sorry for your inconvenience. This only affects to the near-real-time data, and past period data will be available during this period.
Apr/23/'15
GSMaP products are updated with product version 03E. All GSMaP products are started reprocessing with product version 03E.
Apr/17/'15
Due to trouble in NOAA, IR data is not available since 17Z 14 April 2015. This affects process and accuracy of GSMaP_NRT.
And GPM GSMaP standard products aren't available from April 13, 2015.
Mar/26/'15
GSMaP products are updated with product version 03D without reprocess of past period data.
Nov/18/'14
GSMaP products are started reprocessing with product version 03C. All GSMaP products are reprocessed with product version 03C.
Oct/22/'14
Due to network trouble in NOAA/NESDIS, AMSU and IR data is not available since 00Z 21 Oct. 2014. This affects process and accuracy of GSMaP_NRT.
Sep/03/'14
Algorithm updates to the same version to the Global Precipitation Measurement (GPM) Global Rainfall Map (GPM-GSMaP) product since Sep. 3, 2014.
Browse images will be replaced by reanalysis version about 3-days later.
Apr/25/'14
We resumed processing from April 24 (JST).
Apr/21/'14
Due to the system failure occurred on 19 April, 2014 (JST).
JAXA, we temporarily stop update of our dataset, "Global Rainfall Map in Near Real Time (GSMaP_NRT)", at present.
We are planning to resume processing on 23 April, 2014 (JST).
Sep/24/'13
Your connection may fail briefly for maintenance during the following period.
Period: 08:00(JST), Sep. 28 to 18:00(JST)
Aug/29/'13
Due to the network maintenance, our Web,FTP service will be temporarily unavailable during the following times.
Times: Sep. 3, 2013, 10:30, 14:30(JST)
Jul/19/'13
Due to the network maintenance, your connection may be closed during the following period.
Period: Jul. 20-21, 2013.
Jul/12/'13
Due to the network maintenance, your connection may be closed during the following period.
Period: Jul. 13-14, 2013.
Jul/04/'13
We have completely renewed the WEB site "JAXA Global Rainfall Watch". In addition to the mode in which to display the global data up to now, also now available in overlay mode to display Google Map.
Jul/01/'13
GCOM-W1/AMSR2 and DMSP-F18/SSMIS data have been introduced to GSMaP_NRT system since 00UTC 1 July 2013.
Jan/07/'13
We made the GSMaP logo. It released on the GPM HP.
note