JAXA and NASA have started to provide a new version (Version 4) of Global Precipitation Measurement (GPM) standard products. The GPM Version 4 data are available from March 3, 2015.
Concurrently, existing GPM data are also being reprocessed back to the start of the mission.
GPM Version 4 products are available from G-Portal.
Various improvements of the Dual-frequency Precipitation Radar (DPR) were implemented in the Version 4 product. Moreover, the latent heat product based on the Spectral Latent Heating (SLH) algorithm is available since Version 4 product.
Major algorithm & data format changes from Version 3 to Version 4 are described in the “GPM Products (Version 4) Release” page of the EORC Web site.
The GSMaP Version 4 Product will be planned to be provided since July 2016.