CEOS EO HANDBOOK – INSTRUMENT SUMMARY - CMIS -
Full Name Conical-scanning Microwave Imager/Sounder Status No longer considered
Instrument Agencies NOAA Maturity Medium Heritage
Instrument Type Imaging multi-spectral radiometers (passive microwave) and Atmospheric temperature and humidity sounders Geometry Cross-track scanning
Instrument Technology Multi-purpose imaging MW radiometer Sampling Sounding
Data Access Data Format
Measurements and Applications Collects microwave radiometry and sounding data. Data types include atmospheric temperature and moisture profiles, clouds, sea surface winds, and all-weather land/water surfaces.
Resolution Summary 15 - 50 km depending on frequency
Swath Summary 1700 km
Accuracy Summary Temperature Profiles to 1.6 K, water vapour 20%
Waveband Summary Microwave: 190 GHz
MW (~0.1 cm - ~100 cm)
Instrument Measurements
Measurements Overview
CategoryParameter
Atmospheric Humidity FieldsAtmospheric specific humidity (TC)
Atmospheric Temperature FieldsCloud base height
Cloud particle properties and profileCloud liquid water (column/profile)
Cloud ice (TC)
Liquid water and precipitation ratePrecipitation intensity at the surface (liquid or solid)
Ocean surface windsWind vector over sea surface (horizontal)
Wind stress
Sea ice cover, edge and thicknessSea-ice surface temperature
Snow cover, edge and depthSnow cover
Soil moistureSoil moisture at the surface
Surface temperature (land)Land surface temperature
Surface temperature (ocean)Sea surface temperature
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Cloud Properties click here click here search ECV Inventory records
Land Surface Temperature click here click here search ECV Inventory records
Precipitation click here click here search ECV Inventory records
Sea Surface Temperature click here click here search ECV Inventory records
Snow click here click here search ECV Inventory records
Soil Moisture click here click here search ECV Inventory records
Surface Stress click here click here search ECV Inventory records
Water Vapour (upper air) click here click here search ECV Inventory records
Instrument Missions
NPOESS-5 - National Polar-orbiting Operational Environmental Satellite System - 4 (2018 - 2023)
NPOESS-6 - National Polar-orbiting Operational Environmental Satellite System - 4 (2019 - 2024)