CEOS EO HANDBOOK – MEASUREMENT INSTRUMENTS
Measurements > Atmosphere >
Cloud type, amount and cloud top temperature >
Cloud imagery


Measurement Definition*: Intended for observation of features like cloud occurrence, pattern, frontal bands, cyclones, volcanic ash plumes.
InstrumentStatus/
Accuracy
Instrument DescriptionMeasurement TechnologyTimeline
ABI
Advanced Baseline Imager
Operational
Detects clouds, cloud properties, water vapour, land and sea surface temperatures, dust, aerosols, volcanic ash, fires, total ozone, snow and ice cover, vegetation index.Multi-purpose imaging Vis/IR radiometer
AGRI
Advanced Geosynchronous Radiation Imager
Operational
A multiple channel radiation imager, one of the primary instruments aboard FY-4. Technically featured by a precisely designed two-mirror structure, capable of accurate and flexible sensing in two dimensions, and minute-level fast sector scanning. Frequent Earth imaging over 14 bands with off-axis three reflections of the primary optic system. On-board black body available for IR calibrations at very short time intervals.Multi-purpose imaging Vis/IR radiometer
AHI
Advanced Himawari Imager
Operational
Measures cloud cover, cloud motion, cloud height, cloud properties, water vapour, rainfalll, sea surface temperatures and Earth radiation, dust, aerosols, volcanic ash, fires, snow and ice cover.Multi-purpose imaging Vis/IR radiometer
AMI
Advanced Meteorological Imager
Operational
Continuous monitoring capability for the near real-time generation of high-resolution meteorological products and long-term change analysis of land/sea surface temperature and cloud coverage.Multi-purpose imaging Vis/IR radiometer
AVHRR/3
Advanced Very High Resolution Radiometer/3
Operational
Measurements of land and sea surface temperature, cloud cover, snow and ice cover, soil moisture and vegetation indices. Data also used for volcanic eruption monitoring.Multi-purpose imaging Vis/IR radiometer
ETM+
Enhanced Thematic Mapper Plus
Operational
Measures surface radiance and emittance, land cover state, and change (e.g., vegetation type). Used as multi-purpose imagery for land applications.n/a
HSI-2 (HJ-2A)
Hyper Spectrum Imager 2
Operational
Hyperspectral measurements for environment and disaster management operations.Multi-purpose imaging Vis/IR radiometer
IIR
Imaging Infrared Radiometer
Operational
Radiometer optimised for combined IIR/lidar retrievals of cirrus particle size.Multi-purpose imaging Vis/IR radiometer
Imager
Imager
Operational
Measures cloud cover, atmospheric radiance, winds, atmospheric stability, rainfall estimates. Used to provide severe storm warnings/ monitoring day and night (type, amount, storm features).Multi-purpose imaging Vis/IR radiometer
KMSS
Multispectral Imager (VIS) system
Operational
Multispectral images of land & sea surfaces and ice cover.Multi-purpose imaging Vis/IR radiometer
MISR
Multi-angle Imaging SpectroRadiometer
Operational
Measurements of global surface albedo, aerosol and vegetation properties. Also provides multi-angle bidirectional data (1% angle-to-angle accuracy) for cloud cover and reflectances at the surface and aerosol opacities. Global and local modes.n/a
MODIS
MODerate-Resolution Imaging Spectroradiometer
Operational
Data on biological and physical processes on the surface of the Earth and in the lower atmosphere, and on global dynamics. Surface temperatures of land and ocean, chlorophyll fluorescence, land cover measurements, cloud cover (day and night).n/a
MSU-GS
Multispectral scanning imager-radiometer
Operational
Measurements of cloud cover, cloud top height, precipitation, cloud motion, albedo, vegetation, convection, air mass analysis, tropopause monitoring, stability monitoring, total ozone and surface temperature, fire detection.Multi-purpose imaging Vis/IR radiometer
MSU-GS/VE
Multispectral scanning imager-radiometer
Operational
Operational metrology, hydrology, climate monitoring and environmental monitoringMulti-purpose imaging Vis/IR radiometer
MSU-MR
Low-resolution multispectral scanning imager-radiometer
Operational
Parameters of clouds, snow, ice and land cover, vegetation, surface temperature, fire detection.Multi-purpose imaging Vis/IR radiometer
OLI
Operational Land Imager
Operational
Measures surface radiance, land cover state, and change (e.g., vegetation type). Used as multi-purpose imagery for land applications.n/a
OLI-2
Operational Land Imager 2
Operational
Measures surface radiance, land cover state, and change (e.g., vegetation type). Used as multi-purpose imagery for land applications.n/a
SEVIRI
Spinning Enhanced Visible and Infra-Red Imager
Operational
Measurements of cloud cover, cloud top height, precipitation, cloud motion, vegetation, radiation fluxes, convection, air mass analysis, cirrus cloud discrimination, tropopause monitoring, stability monitoring, total ozone and sea surface temperature.Multi-purpose imaging Vis/IR radiometer
TIRS
Thermal Infrared Sensor
Operational
Measures longwave thermal infrared surface emittance, land cover state, and change. Used as multipurpose imagery for land applications.n/a
TIRS-2
Thermal Infrared Sensor 2
Operational
Measures longwave thermal infrared surface emittance, land cover state, and change. Used as multipurpose imagery for land applications. TIRS-2 will adhere to the Landsat 8 TIRS instrument performance specifications but will be built to NASA Class-B instrument standards (including a 5-year design life).n/a
VIIRS
Visible/Infrared Imager Radiometer Suite
Operational
Global observations of land, ocean, and atmosphere parameters: cloud/weather imagery, sea-surface temperature, ocean colour, land surface vegetation indices.Multi-purpose imaging Vis/IR radiometer
VIRR
Multispectral Visible and Infra-red Scan Radiometer (10 channels)
Operational
Multispectral Visible and Infra-red Scan Radiometer.Multi-purpose imaging Vis/IR radiometer
VISSR-2
Stretched Visible and Infrared Spin Scan Radiometer-2
Operational
Meteorological.Multi-purpose imaging Vis/IR radiometer
CPR (EarthCARE)
Cloud Profiling Radar (EarthCARE)
Being developed
Measurement of cloud properties, light precipitation, vertical motion.n/a
CWFMS
Canadian Wildland Fire Monitoring Sensor
Being developed
Measurements are: Fire Radiative Power (FRP), hotspot locations, rate of spread, burned area mapping. Data products generated: 1) Fire maps, showing location, extent, and timing of forest fire events; 2) Fire characteristics, such as fire line intensity, rate of spread and fuel consumption; 3) Plume dynamics through smoke transport maps and plume heights; 4) Mass of carbon released into atmosphere.Multi-purpose imaging Vis/IR radiometer
FCI
Flexible Combined Imager
Being developed
Measurements of cloud cover, cloud top height, precipitation, cloud motion, vegetation, radiation fluxes, convection, air mass analysis, cirrus cloud discrimination, tropopause monitoring, stability monitoring, total ozone and sea surface temperature.Multi-purpose imaging Vis/IR radiometer
GEOXO Imager
GEO Extended Operations Imager
Being developed
Detects clouds, cloud properties, water vapour, land and sea surface temperatures, dust, aerosols, volcanic ash, fires, total ozone, snow and ice cover, vegetation index.Multi-purpose imaging Vis/IR radiometer
KShMSA-SR
Medium resolution wide capture multispectral optical sensor
Being developed
Land surface and ocean monitoringMulti-purpose imaging Vis/IR radiometer
METimage
Multi Spectral Imager
Being developed
Operational multi spectral imager for meteorological EPS-SG VIS/IR Imaging Mission (VII): imagery data for global and regional NWP, NWC, and climate monitoring with information on LST, SST, clouds coverage and micro-physics, land surfaces (vegetation, snow/ice, fire), aerosol and atmospheric motion vectors. Provides collocated cloud mask & characterisation as well as intra-pixel heterogeneity to other EPS-SG missions (with larger footprint).Multi-purpose imaging Vis/IR radiometer
OCI
Ocean Color Instrument
Being developed
Ocean color slit-grating imaging spectrometer/radiometer for measuring top of atmosphere reflectance which is used to estimate ocean leaving light that contains information on biological components plus aerosol and cloud propertiesln/a
GHMI
Geostationary HiMawari Imager
Approved
 Multi-purpose imaging Vis/IR radiometer
MAIA
Multi-Angle Imager for Aerosols
Approved
Pushbroom spectropolarimetric camera on a 2-axis gimbal for multiangle viewing, frequent revisits over targets, and inflight calibration. Major metropolitan areas are sampled with sub-km spatial resolution to study impacts of different types of particulate matter on human health.n/a
MSI (EarthCARE)
Multi-Spectral Imager (EarthCARE)
Approved
Observation of cloud properties and aerosol (aerosols to be confirmed).Multi-purpose imaging Vis/IR radiometer
Advanced KMSS
Advanced Multispectral Imager (VIS)
Proposed
Multispectral images of land & sea surfaces and ice cover.Multi-purpose imaging Vis/IR radiometer
Advanced MSU-MR
Advanced Multispectral scanning imager-radiometer
Proposed
Parameters of clouds, snow, ice and land cover, vegetation, surface temperature, fire detection.Multi-purpose imaging Vis/IR radiometer
LandIS
Landsat Next Instrument Suite
Proposed
Measures surface radiance, land cover state and change (e.g., vegetation type), and longwave termal infrared surface emittance. Used as multi-purpose imagery for land applications.n/a
WFC
Wide Field Camera
No longer operational
Scene ContextMulti-purpose imaging Vis/IR radiometer
* Description adapted from WMO.