GPM passes directly over Tropical Storm John off the coast of Mexico

  • Released Monday, August 6, 2018
  • Updated Wednesday, November 14, 2018 at 7:17AM
  • ID: 4674

GPM passed over Tropical Storm John on August 6, 2018. As the camera moves in on the storm, DPR's volumetric view of the storm is revealed. A slicing plane moves across the volume to display precipitation rates throughout the storm. Shades of green to red represent liquid precipitation extending down to the ground. Frozen precipitation is displayed in cyan and purple.
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NASA's Global Precipitation Measurement mission or GPM core observatory satellite flew over Tropical Storm John on August 6, 2018. GPM showed that the large tropical cyclone was becoming well organized and had intense rainfall within feeder bands that were spiraling toward John's center. GPM's radar (DPR Ku Band) revealed that a band of powerful storms northeast of John's center were dropping rain at a rate of close to 160 mm (6.3 inches) per hour.

The GPM Core Observatory carries two instruments that show the location and intensity of rain and snow, which defines a crucial part of the storm structure – and how it will behave. The GPM Microwave Imager sees through the tops of clouds to observe how much and where precipitation occurs, and the Dual-frequency Precipitation Radar observes precise details of precipitation in 3-dimensions.

GPM data is part of the toolbox of satellite data used by forecasters and scientists to understand how storms behave. GPM is a joint mission between NASA and the Japan Aerospace Exploration Agency. Current and future data sets are available with free registration to users from NASA Goddard's Precipitation Processing Center website.
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Color bar for frozen precipitation rates (ie, snow rates). Shades of cyan represent low amounts of frozen precipitation, whereas shades of purple represent high amounts of precipitation.

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Color bar for liquid precipitation rates (ie, rain rates). Shades of green represent low amounts of liquid precipitation, whereas shades of red represent high amounts of precipitation.

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Print resolution still of Tropical Storm John on August 6th, 2018

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Print resolution still of Tropical Storm John on August 6th, 2018

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Print resolution still of Tropical Storm John on August 6th, 2018

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Print resolution still of Tropical Storm John on August 6th, 2018

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Print resolution still of Tropical Storm John on August 6th, 2018

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Print resolution still of Tropical Storm John on August 6th, 2018

No description available.

Print resolution still of Tropical Storm John on August 6th, 2018

Credits

Please give credit for this item to:
NASA's Scientific Visualization Studio

Data provided by the joint NASA/JAXA GPM mission.

Datasets used in this visualization

IMERG
Data Compilation | NASA/GSFC

Dataset can be found at: http://pmm.nasa.gov/sites/default/files/document_files/IMERG_ATBD_V4.4.pdf

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GPM Volumetric Precipitation data (A.K.A. Ku) (Collected with the DPR sensor)
Observed Data | JAXA

Credit: Data provided by the joint NASA/JAXA GPM mission.

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GPM Rain Rates (A.K.A. Surface Precipitation) (Collected with the GMI sensor)

Credit: Data provided by the joint NASA/JAXA GPM mission.

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Note: While we identify the data sets used in these visualizations, we do not store any further details nor the data sets themselves on our site.

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