{ "currentVersion": 10.91, "serviceDescription": "Dates of Imagery: September 10, 14, 15, 18, 19, 20 Purpose/Summary:NASA\u2019s Short-term Prediction Research and Transition (SPoRT) Center at Marshall produces false color composites of Suomi-NPP VIIRS instrument day night band (DNB) radiance and infrared cloud and land surface temperatures (M15). DNB imagery is assigned to red and green channels and brightness temperatures to blue shades, allowing a combined display of nighttime lights, fires, reflected moonlight and occasional lightning in shades of yellow (new moon) to white (full moon) along with blue tinting of cloud imagery. This color combination is based upon usage developed by the Naval Research Lab and shared with partners in NOAA\u2019s National Weather Service. VIIRS DNB image produced September 10, 2018 at 06:46 UTC.Suggested Usage:In this image, city lights appear in bright shades of yellow to white when not obscured by clouds (shades of blue to white). 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