In late March 2015, Typhoon Maysak, known locally as Chedeng, approached the norther Philippines. Typhoon Maysak strengthened into a super typhoon on March 31, reaching Category 5 hurricane status.
The Tropical Rainfall Measuring Mission (TRMM) and Global Precipitation Measurement (GPM) satellites, both co-managed by NASA and the Japan Aerospace Exploration Agency, captured rainfall and cloud data that revealed heavy rainfall and high thunderstorms in the storm.