JAXA released the products of Advanced Microwave Scanning Radiometer 3 (AMSR3) onboard the Greenhouse gases Observing SATellite - Global Water cycle (GOSAT-GW, “IBUKI-GW”) on June 30, 2026.

The following AMSR3 products are available via G-Portal:

• Brightness Temperature
• Resampled Brightness Temperature
• Total Precipitable Water
• Total Cloud Liquid Water
• Precipitation
• Sea Surface Temperature
• Sea Surface Wind Speed
• All-weather Sea Surface Wind Speed
• Sea Ice Concentration
• High-resolution Sea Ice Concentration
• Soil Moisture Content
• Snow Depth
• Sea Ice Motion Vector

GOSAT-GW was launched from the Tanegashima Space Center on June 29, 2025 (JST). Initial function verification and initial calibration and validation of the satellite and AMSR3 have been completed, and the satellite is currently in nominal observation operation.

AMSR3 started observations on August 11, 2025. JAXA plans to provide products for the entire past observation period by July 15, 2026.

For the use of AMSR3 products, the following information is available for reference:

• Product information/operation
• AMSR3 Data Users Handbook
• Product Format Manual( Level 1A,  Level 1B,  Level 1R,  Level 2,  Level 3)
• Algorithm Theoretical Basis Documents
• Calibration/Validation results
• Tools/documents
• Implementation Guideline for AMSR3 Data Provision
• AMSR3 Special User Application Form

The press release is available at the following URL:
 https://global.jaxa.jp/press/2026/06/20260630-1_e.html

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