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This animation shows the scanning capabilities of the GMI and DPR onboard the GPM Core satellite. Heavy rainfall is shown in red and light rainfall in blue. The DPR shows 3D precipitation in a midlatitude storm from two overlapping swaths. The Ka-band frequency scans across a region of 78 miles (125 kilometers) and is nested within the wider scan of the Ku-band frequency of 147 miles (245 kilometers). JAXA and Japan's National Institute of Information and Communications Technology (NICT) built the DPR. The GMI, shown as the flat precipitation values, constantly scans a region 550 miles (885 kilometers) across. The Ball Aerospace and Technology Corporation built the GMI under contract with NASA Goddard Space Flight Center.

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Maybe next time you won’t have to be thanks to the latest addition to NASA’s Earth-observing satellite fleet. The Global Precipitation Measurement (GPM) Core Observatory launched into space on February 27, 2014. The satellite is equipped with two instruments designed to scan our planet's atmosphere and generate 3D maps of rainfall and snowfall. Such measurements are part of an international effort led by NASA and the Japan Aerospace Exploration Agency (JAXA) to improve space-based monitoring of precipitation, with the goal of creating global precipitation data sets that are updated every three hours. Knowing how much rain and snow falls worldwide every few hours will help scientists predict extreme weather events. Watch the video to learn more. || ", "release_date": "2014-03-11T00:00:00-04:00", "update_date": "2023-05-03T13:51:06.360357-04:00", "main_image": { "id": 457448, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011300/a011358/cover-1024.jpg", "filename": "cover-1024.jpg", "media_type": "Image", "alt_text": "NASA’s newest satellite ushers in the future of tracking global precipitation.", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 11495, "url": "https://svs.gsfc.nasa.gov/11495/", "page_type": "Produced Video", "title": "NASA On Air: NASA Launches GPM Satellite (2/27/2014)", "description": "LEAD: NASA launches a new weather satellite from Japan today.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. 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