BackForwardInstrument:  MVIRI 

Instrument details
Acronym MVIRI
Full name Meteosat Visible Infra-Red Imager
Purpose Multi-purpose imagery and wind derivation by tracking clouds and water vapour features
Short description
  • 3 VIS/TIR channels [see detailed characteristics below]
  • Monitoring and calibration information here
Background

Flown on Meteosat First Generation
Scanning Technique

Mechanical, spinning satellite, E-W continuous, S-N stepping
Resolution IFOV: 5.0 km for IR channels, 2.5 km for the VIS channel
Coverage / Cycle Full disk every 30 min.  Limited areas in correspondingly shorter time intervals
Mass 65 kg Power 17 W Data Rate 333 kbps

 

Providing Agency ESA
Instrument Maturity Flown on operational programme
Utilization Period: 1978 to 2017
Last update: 2024-09-23
Detailed characteristics
Central wavelength Spectral interval SNR or NEΔT @ specified input
0.70 µm 0.50 - 0.90 µm 3.0 @ 1 % albedo
6.40 µm 5.70 - 7.10 µm 1.0 K @ 250 K
11.5 µm 10.5 - 12.5 µm 0.5 K @ 300 K
Satellites this instrument is flying on

Note: a red tag indicates satellites no longer operational, a green tag indicates operational satellites, a blue tag indicates future satellites

Instrument classification
  • Earth observation instrument
  • Passive optical radiometer or spectrometer
  • Moderate resolution optical imager
WIGOS Subcomponents
  • Subcomponent 1
  • Multi-spectral VIS/IR imagery With rapid repeat cycles [in GEO]
  • Multi-spectral VIS/IR imager with rapid repeat cycles [in GEO]
Mission objectives
Primary mission objectives
  • Aerosol volcanic ash Total Column
  • Cloud cover
  • Cloud top height
  • Cloud top temperature
  • Cloud type
  • Integrated Water Vapour (IWV)
  • Wind (horizontal)
Evaluation of Measurements