THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - MHS -
Full Name Microwave Humidity Sounder Status Operational
Instrument Agencies EUMETSAT Maturity
Instrument Type Atmospheric temperature and humidity sounders Geometry Cross-track scanning
Instrument Technology Absorption-band MW radiometer/spectrometer Sampling Sounding
Data Access Open Access Data Format
Measurements and Applications Atmospheric humidity profiles, cloud cover, cloud liquid, water content, ice boundaries and precipitation data.
Resolution Summary Vertical: 3 - 7 km, Horizontal: 30 - 50 km
Swath Summary 1650 km
Accuracy Summary Cloud water profile: 10 g/m2, specific humidity profile: 10 - 20%
Waveband Summary Microwave: 89 GHz, 166 GHz and 3 channels near 183 GHz
MW (~1.0 cm - ~100 cm)
Instrument Measurements
CategoryParameterAccuracy
Atmospheric Humidity FieldsAtmospheric specific humidity (LT, HT, LS, TC) 
Cloud particle properties and profileCloud liquid water (column/profile) 
Precipitation Profile (liquid or solid) 
Cloud type, amount and cloud top temperatureCloud type 
Liquid water and precipitation ratePrecipitation rate (liquid) at the surface 
Instrument Missions
NOAA-18 - National Oceanic and Atmospheric Administration - 18 (2005 - 2016)
Metop-A - Meteorological Operational Polar Satellite - A (2006 - 2019)
NOAA-19 - National Oceanic and Atmospheric Administration - 19 (2009 - 2016)
Metop-B - Meteorological Operational Polar Satellite - B (2012 - 2024)
Metop-C - Meteorological Operational Polar Satellite - C (2018 - 2023)
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