Welcome to The GPM Monitor
Forecast on the Horizon
International Cooperation
Meet Joan Rolf, NASA International Program Specialist
Meet Paul Hwang, GPM's External Interface Development Manager
Progress
GPM Event Timeline
GPM Responds to SRR Actions
Core Spacecraft Concept Review Coming Up
Science
Precipitation and the Global Water Cycle
GPM Report Series Now Online
Spacecraft News
GPM Core Spacecraft Solar Array: Designed To Extend Mission Life
GPM Microwave Imager Will Provide Crucial Measurements
Calibration/Validation
Ground Validation for Global Precipitation Measurement