Browse Archive

  • Left, NASA's NPOL radar. Right, the Summer Tanager.

    Bird Rest Stops To Be Tracked by NASA Rain Radar

    06.07.12 - Ground radar set up on the Eastern Shore of Virginia to validate satellite rain measurements will do double duty for The Nature Conservancy as a tool to track migratory birds.

  • Mid-morning peak in light rainfall appears as clouds and fog at Purchase Knob in the Great Smoky Mountains National Park.

    On Top of the Smokies, All Covered in Light Rain

    04.20.12 - The Southern Appalachians are one of the rainiest places in the United States, and scientists have discovered that much of it is difficult to detect light rain.

  • NASA and JAXA personnel in the clean room with the DPR

    Handover of Japan-built Radar to NASA

    04.03.12 - On March 30, the Japan Aerospace Exploration Agency officially handed off a new satellite instrument to NASA.

  • DPR instrument for GPM arriving at Goddard

    NASA GPM Satellite's Dual-frequency Precipitation Radar Arrives at Goddard

    03.20.12 - The Dual-frequency Precipitation Radararrived on Friday, March 16 and was unloaded today at Goddard.

  • The Global Precipitation Measurement Microwave Imager for undergoes electromagnetic interference and compatibility testing at Ball Aerospace.

    GPM Microwave Imager Instrument Arrives at Goddard

    03.01.12 - The Global Precipitation Measurement Microwave Imager (GMI) instrument has arrived at Goddard for integration into NASA's upcoming Earth science spacecraft.

  • Image of NASA's DC-8 taking off with snowflakes overlaid.

    Airborne Campaign to Measure Falling Snow

    01.12.12 - NASA's DC-8 research plane will begin six weeks of flights over Canada next week in support of a difficult task of the upcoming Global Precipitation Measurement (GPM) mission -- measuring snowfall from space.

  • Logo for GCPEx: the GPM Cold-season Precipitation Experiment

    GCPEx: GPM Cold-season Precipitation Experiment

    01.09.11 - The GPM Cold-season Precipitation Experiment (GCPEx) will be conducted in cooperation with Environment Canada in Ontario, Canada from January 15th to February 26, 2012.

  • GPM satellite on the high capacity centrifuge

    Global Precipitation Satellite Takes a Ride

    10.19.11 - In the clean room at NASA Goddard Space Flight Center, the GPM mission's Core satellite is steadily taking shape.

  • A test technician completes the final electrical integration of the GPM Microwave Imager (GMI) at Ball Aerospace.

    GPM Spacecraft and Instruments

    The GPM Core Spacecraft is being developed and tested in-house at NASA Goddard Space Flight Center. At 8,000 pounds and flying 485 miles above the ground, the Core carries the two scientific instruments to make measurements of rainfall on Earth: the GPM Microwave Imager (GMI) and the Dual-frequency Precipitation Radar (DPR).

  • TRMM image of tropical cyclone Magda’s eyewall off the northwest coast of Australia on January 21st, 2010.

    Tropical Cyclones

    Constantly scanning the Earth’s surface, the TRMM Microwave Imager (TMI) allows scientists to both track tropical cyclones and forecast their progression.