THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - HIRS/2 -
Full Name High Resolution Infra-red Sounder/2 Status No longer operational
Instrument Agencies NOAA Maturity
Instrument Type Atmospheric temperature and humidity sounders Geometry Cross-track scanning
Instrument Technology Narrow-band channel IR radiometer Sampling Sounding
Data Access Data Format
Measurements and Applications Measures atmospheric temperature, concentrations of ozone, water vapour, methane, NOx, N2O, CFCs and other minor species, aerosol concentration, location of polar stratospheric clouds and cloud tops. Filter radiometer, 20 channels (including one VIS). Evolution of HIRS flown on Nimbus-6. HIRS/2 is part of the TOVS sounding instrument suite (TIROS Operational Vertical Sounder).
Resolution Summary 20.3 km
[Best Resolution: 20300m]
Swath Summary 2240 km
[Max Swath: 2240 km]
Accuracy Summary
Waveband Summary VIS - TIR: 0.69 - 14.95 µm (20 channels)
VIS (~0.40 µm - ~0.75 µm)
NIR (~0.75 µm - ~1.3 µm)
SWIR (~1.3 µm - ~3.0 µm)
MWIR (~3.0 µm - ~6.0 µm)
TIR (~6.0 µm - ~15.0 µm)
Instrument Measurements
Measurements Overview
CategoryParameter
Atmospheric Humidity FieldsAtmospheric specific humidity (LT, HT, TC)
Atmospheric Temperature FieldsAtmospheric temperature (LT, HT, LS, HS&M)
Temperature of tropopause
Cloud type, amount and cloud top temperatureCloud top height
Cloud top temperature
OzoneO3 Mole Fraction
Radiation budgetUpward long-wave irradiance at TOA
Surface temperature (land)Land surface temperature
Trace gases (excluding ozone)CO2 Mole Fraction
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Carbon Dioxide, Methane and other Greenhouse gases click here click here search ECV Inventory records
Cloud Properties click here click here International Satellite Cloud Climatolog...
International Satellite Cloud Climatolog...
Earth Radiation Budget click here click here NOAA Climate Data Record (CDR) of Monthl...
NOAA Climate Data Record (CDR) of Daily ...
Land Surface Temperature click here click here International Satellite Cloud Climatolog...
Ozone click here click here International Satellite Cloud Climatolog...
Temperature (upper-air) click here click here International Satellite Cloud Climatolog...
Water Vapour (upper air) click here click here NVAP_WEATHER_TPW Version: 1
NVAP_WEATHER_LPW Version: 1
NVAP_CLIMATE_LPW Version: 1
NVAP_CLIMATE_TPW Version: 1
International Satellite Cloud Climatolog...
find more ECV Inventory records
Instrument Missions
TIROS N - (1978 - 1981)
NOAA-6 - National Oceanic and Atmospheric Administration - 6 (1979 - 1987)
NOAA-7 - National Oceanic and Atmospheric Administration - 7 (1981 - 1986)
NOAA-8 - National Oceanic and Atmospheric Administration - 8 (1983 - 1985)
NOAA-9 - National Oceanic and Atmospheric Administration - 9 (1984 - 1998)
NOAA-10 - National Oceanic and Atmospheric Administration - 10 (1986 - 2001)
NOAA-11 - National Oceanic and Atmospheric Administration - 11 (1988 - 2004)
NOAA-12 - National Oceanic and Atmospheric Administration - 12 (1991 - 2005)
NOAA-13 - National Oceanic and Atmospheric Administration - 13 (1993 - 1993)
NOAA-14 - National Oceanic and Atmospheric Administration - 14 (1994 - 2005)
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