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"description": "Not all raindrops are created equal. The size of falling raindrops depends on several factors, including where the cloud producing the drops is located on the globe and where the drops originate in the cloud. For the first time, scientists have three-dimensional snapshots of raindrops and snowflakes around the world from space, thanks to the joint NASA and Japan Aerospace Exploration Agency Global Precipitation Measurement (GPM) mission. With the new global data on raindrop and snowflake sizes this mission provides, scientists can improve rainfall estimates from satellite data and in numerical weather forecast models, helping us better understand and prepare for extreme weather events. || ",
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"description": "Not all raindrops are created equal. The size of falling raindrops depends on several factors, including where the cloud producing the drops is located on the globe and where the drops originate in the cloud. For the first time, scientists have three-dimensional snapshots of raindrops and snowflakes around the world from space, thanks to the joint NASA and Japan Aerospace Exploration Agency Global Precipitation Measurement (GPM) mission. With the new global data on raindrop and snowflake sizes this mission provides, scientists can improve rainfall estimates from satellite data and in numerical weather forecast models, helping us better understand and prepare for extreme weather events.Watch this video on the NASA Goddard YouTube Channel. || ",
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"alt_text": "This is a conceptual animation showing how the size and distribution of raindrops varies within a storm. The animation travels from the top to the bottom of a storm. Blues and greens represent small raindrops that are 0.5-3mm in size. Yellows, oranges, and reds represent larger raindrops that are 4-6mm in size. A storm with a higher ratio of yellows, oranges, and reds will contain more water than a storm with a higher ratio of blues and greens. Credit: NASA's Goddard Space Flight Center/Conceptual Image Lab",
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"url": "https://svs.gsfc.nasa.gov/vis/a000000/a004200/a004283/GPM_Fleet_IMERG_globe.00556_print.jpg",
"filename": "GPM_Fleet_IMERG_globe.00556_print.jpg",
"media_type": "Image",
"alt_text": "An animation depicting the build-up of precipitation data on the globe from the Global Precipitation Measurement constellation of satellites, resulting in the IMERG global precipitation data set.",
"width": 1024,
"height": 576,
"pixels": 589824
}
},
{
"id": 11392,
"url": "https://svs.gsfc.nasa.gov/11392/",
"page_type": "Produced Video",
"title": "GPM Core Spacecraft Beauty Passes",
"description": "A variety of animated beauty passes of the Global Precipitation Measurement (GPM) Core spacecraft. || ",
"release_date": "2013-10-31T17:00:00-04:00",
"update_date": "2023-05-03T13:51:32.332494-04:00",
"main_image": {
"id": 461329,
"url": "https://svs.gsfc.nasa.gov/vis/a010000/a011300/a011392/GPM_Beauty_NEW_youtube_hq00127_print.jpg",
"filename": "GPM_Beauty_NEW_youtube_hq00127_print.jpg",
"media_type": "Image",
"alt_text": "Various beauty passes of the GPM Core spacecraft.",
"width": 1024,
"height": 576,
"pixels": 589824
}
}
],
"sources": [],
"products": [
{
"id": 12897,
"url": "https://svs.gsfc.nasa.gov/12897/",
"page_type": "Produced Video",
"title": "New NASA Model Finds Landslide Threats in Near Real-Time During Heavy Rains",
"description": "A new model has been developed to look at how potential landslide activity is changing around the world. A global Landslide Hazard Assessment model for Situational Awareness (LHASA) has been developed to provide an indication of where and when landslides may be likely around the world every 30 minutes. This model uses surface susceptibility (including slope, vegetation, road networks, geology, and forest cover loss) and satellite rainfall data from the Global Precipitation Measurement (GPM) mission to provide moderate to high “nowcasts.” This visualization shows the landslide nowcast results leveraging nearly two decades of Tropical Rainfall Measurement Mission (TRMM) rainfall over 2001-2016 to identify a landslide climatology by month at a 1 km grid cell. The average nowcast values by month highlight the key landslide hotspots, such as the Southeast Asia during the monsoon season in June through August and the U.S. Pacific Northwest in December and January. Overlaid with these nowcasts values are a Global Landslide Catalog(GLC) that was developed with the goal of identifying rainfall-triggered landslide events around the world, regardless of size, impact, or location. The GLC considers all types of mass movements triggered by rainfall, which have been reported in the media, disaster databases, scientific reports, or other sources. The visualization shows the distribution of landslides each month based on the estimated number of fatalities the event caused. The GLC has been compiled since 2007 at NASA's Goddard Space Flight Center and contains over 11,000 reports and growing. A new project called the Community the Cooperative Open Online Landslide Repository, or COOLR, provides the opportunity for the community to view landslide reports and contribute their own. The goal of the COOLR project is to create the largest global public online landslide catalog available and open to for anyone everyone to share, download, and analyze landslide information. More information on this system is available at: https://landslides.nasa.gov. Landslides occur when an environmental trigger like an extreme rain event, often a severe storm or hurricane, and gravity's downward pull sets soil and rock in motion. Conditions beneath the surface are often unstable already, so the heavy rains act as the last straw that causes mud, rocks, or debris- or all combined- to move rapidly down mountains and hillsides. Unfortunately, people and property are often swept up in these unexpected mass movements. Landslides can also be caused by earthquakes, surface freezing and thawing, ice melt, the collapse of groundwater reservoirs, volcanic eruptions, and erosion at the base of a slope from the flow of river or ocean water. But torrential rains most commonly activate landslides.For more information: https://www.nasa.gov/feature/goddard/2018/new-from-nasa-tracking-landslide-hazards-new-nasa-model-finds-landslide-threats-in-near-real || ",
"release_date": "2018-03-22T10:30:00-04:00",
"update_date": "2025-02-02T00:22:14.206492-05:00",
"main_image": {
"id": 405741,
"url": "https://svs.gsfc.nasa.gov/vis/a010000/a012800/a012897/LARGE_MP4_3-19_CLIMATOLOGY_ONLY_1.5sec_LOOPED_1080_large.00001_print.jpg",
"filename": "LARGE_MP4_3-19_CLIMATOLOGY_ONLY_1.5sec_LOOPED_1080_large.00001_print.jpg",
"media_type": "Image",
"alt_text": "Data visualizationThis version shows only the landslide climatology (no overlaid fatalities) in order to show seasonality. This version loops two times.",
"width": 1024,
"height": 576,
"pixels": 589824
}
},
{
"id": 12126,
"url": "https://svs.gsfc.nasa.gov/12126/",
"page_type": "Produced Video",
"title": "Science On a Sphere: A Global Tour of Precipitation from NASA",
"description": "Precipitation (falling rain and snow) is our fresh water reservoir in the sky and is fundamental to life on Earth. A Global Tour of Precipitation from NASA shows how rain and snowfall moves around the world from the vantage of space using measurements from the Global Precipitation Measurement Core Observatory, or GPM. This is a joint mission between NASA and the Japanese Aerospace Exploration Agency (JAXA) and offers the most detailed and worldwide view of rain and snowfall ever created.This narrated movie is created for Science On a Sphere, a platform designed by NOAA that displays movies on a spherical screen. Audiences can view the movie from any side of the sphere and can see any part of Earth. During this show viewers will be guided through a variety of precipitation patterns and display features such as the persistent band of the heaviest rainfall around the equator and tight swirls of tropical storms in the Northern Hemisphere. At subtropical latitudes in both hemispheres there are persistent dry areas and this is where most of the major deserts reside. Sea surface temperature and winds are also shown to highlight the interconnectedness of the Earth system. The movie concludes with near real-time global precipitation data from GPM, which is provided to Science On a Sphere roughly six hours after the observation.To download this movie formatted for a spherical screen, visit NOAA's official Science On a Sphere website below:• A Global Tour of Precipitation from NASA• Near Real-Time Global Precipitation Data || ",
"release_date": "2016-05-16T11:00:00-04:00",
"update_date": "2019-06-18T18:30:50-04:00",
"main_image": {
"id": 424331,
"url": "https://svs.gsfc.nasa.gov/vis/a010000/a012100/a012126/YOUTUBE_HQ-12126_2DSOS_IMERG-MERRA-SST-Snippet_youtube_hq.00001_print.jpg",
"filename": "YOUTUBE_HQ-12126_2DSOS_IMERG-MERRA-SST-Snippet_youtube_hq.00001_print.jpg",
"media_type": "Image",
"alt_text": "This visualization combines MUR Sea Surface Temperature (SST) data with GPM's IMERG precipitation data and MERRA winds. Note, the time period within each dataset does not match.",
"width": 1024,
"height": 512,
"pixels": 524288
}
}
],
"newer_versions": [],
"older_versions": [],
"alternate_versions": []
}