MWI Instrument

Measurements and Applications

Measure cloud liquid water content, solid/liquid precipitation information, total column water vapour and temperature profiles, sea ice parameters, sea surface temperature, sea surface wind speed.

Instrument Summary Click here for definitions of mission parameters used on this page.

Full Name
Microwave Imager
Status
Being developed
Instrument Agencies
EUMETSAT, ESA
Maturity
Instrument Type
Imaging multi-spectral radiometers (passive microwave)
Geometry
Conical scanning
Instrument Technology
Multi-purpose imaging MW radiometer
Sampling
Imaging
Data Access
Open Access
Data Format
NetCDF-4 and BUFR

Performance Summary Click here for definitions of performance parameters used on this page.

Resolution
Footprint size 10-30-50km
[Best Resolution: 10000m]
Swath
1700km
[Max Swath: 1700 km]
Accuracy
Radiometric sensitivity below 0.7 - 1.3 K (depending on the channel), radiometric bias below 1.0 K for all channels. Geolocation accuracy: below 2.5km. Liquid Water Path: accuracy better than 50%
Waveband
Microwave: 18 channels between 18.7 GHz to 183 GHz. Channels up to 89GHz measured at both H- and V-polarizations
MW (~0.1 cm - ~100 cm)

Instrument Missions

METOP-SG B1 - EUMETSAT Polar System - Second Generation - microwave imaging satellite 1 (2026 - 2035)
METOP-SG B2 - EUMETSAT Polar System - Second Generation - microwave imaging satellite 2 (2033 - 2041)
METOP-SG B3 - EUMETSAT Polar System - Second Generation - microwave imaging satellite 3 (2040 - 2048)

Instrument Measurements

CategoryParameter
Atmospheric Humidity FieldsWater vapour imagery
Cloud particle properties and profileCloud liquid water (TC)
Precipitation Profile (liquid or solid)
Liquid water and precipitation ratePrecipitation intensity at the surface (liquid or solid)
Ocean surface windsWind speed over sea surface (horizontal)
Sea ice cover, edge and thicknessSea-ice type
Sea-ice Concentration
Sea-ice motion
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