1. US and Japan are partners.
GPM: Global Precipitation Measurement
Will circle Earth every 90 minutes.
Will be the core of a constellation of satellites.
2. Instruments will take “cat scans” of storms from 250 miles above the earth.
3. For the first time from space a “dual-frequency radar" will be able to measure snow as well as rain.
TAG: Rainfall measurements every 3 hours will help future forecasters issue warnings for flooding, such as the record Colorado flood of Sept. 2013 with over 10 inches of rain.