Sounder SIPS: Suomi NPP ATMS Level 2 RAMSES2 Standard: Atmosphere, precipitation and surface geophysical state, V3 (SNDRSNML2RMS ) at GES DISC

Published by NASA/GSFC/SED/ESD/TISL/GESDISC | National Aeronautics and Space Administration | Metadata Last Checked: October 27, 2025 | Last Modified: 2025-09-11

This level 2 product is generated by the RAMSES (Retrieval Algorithm for Microwave Sounders in Earth Science) II algorithm.The RAMSES II algorithm is a microwave only retrieval algorithm using observations from the Suomi-National Polar-orbiting Partnership (NPP) Advanced Technology Microwave Sounder (ATMS) instrument. The ATMS instrument used for this product is a cross-track scanner with 22 channels in spectral bands from 23 GHz through 183 GHz. The RAMSES II Level-2 retrieval products contain a variety of geophysical parameters retrieved from ATMS measurements, including profiles of temperature, water in all phases as well as surface properties for six minutes of instrument observation at a time. The RAMSES II algorithm doesn't have a cloud clearing process and produces all weather retrievalA level 2 granule has been set as 6 minutes of data. There are 240 granules per day, with an orbit repeat cycle of approximately 16 day.

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Complete Metadata

bureauCode	[ "026:00" ]
identifier	10.5067/FT9GRABK1CMK
landingPage	https://docserver.gesdisc.eosdis.nasa.gov/public/project/Images/SNDRSNML2RMS_3.png
programCode	[ "026:000" ]
spatial	["GEODETIC",[{"WestBoundingCoordinate":-180,"NorthBoundingCoordinate":90,"EastBoundingCoordinate":180,"SouthBoundingCoordinate":-90}]]
temporal	2011-12-10/2011-12-10
theme	[ "Earth Science" ]