[3rd update][Urgent] DIAS Services Temporarily Unavailable on December 25
[Dec. 25, 2025 18:40 (JST/GMT+9) 3rd update] During the DIAS account system update process, an unexpected issu […]
[December 25, 2025 – 2nd Notice][Important] Amendment to Privacy Policy
[December 25, 2025 – Second Notice] Due to various circumstances, the Amendment of the Privacy Policy has been […]
Support Desk Closure for Year-end and New Year Holidays
Due to the year-end and New Year holidays, the DIAS Secretariat Support Desk will suspend inquiry handling dur […]
[Update #3 - December 1] DIAS System is Currently Down
[Update #3 - December 1] All systems have now been restored. However, We sincerely apologize once again for th […]
[2nd Notice: December 16, 2025]Temporary Suspension of Quasi-Real-Time Data Distribution for XRAIN, C-band, and Telemetry
[Second Notice: December 18, 2025]It has been decided that the suspension of the distribution of quasi-real-ti […]
[Resumed] Temporarily Unavailable: Part of the d4PDF_5kmDDS_JP Dataset Updated
[2025/10/20 16:40 (JST/GMT+9) 2nd post] The update and replacement of the d4PDF_5kmDDS_JP dataset have been co […]
Dataset of direct measured downward global solar radiation in the Western Pacific Ocean (SOLAR_RADIATION_WP) now available
This dataset provides downward, global solar radiation flux observed mainly in the Western Pacific Ocean from […]
Nationwide Probabilistic Flood Discharge Dataset (d4Flood) now available
This dataset provides estimates of flood peak discharges corresponding to various return periods across all ri […]
Part of RCDSJRA-55 has been replaced
A data issue was found in a part of the "5-km regional climate downscaling for Japanese regoin using JRA-55" ( […]
"Forest structure and crown dataset of 22 Japanese natural forests" (Moni1000_UAVLiDAR_Crowns) Updated
The tree census dataset from the Ministry of the Environment's Monitoring Sites 1000 project (Japanese page on […]