Measurements and Applications
Daily measurements of vertical atmospheric distribution of temperature, moisture, and pressure. MWIR non-operational on Suomi NPP effective 12 July 2021.
Full Name
Cross-track Infrared Sounder
Status
Operational
Instrument Agencies
Maturity
Medium Heritage
Instrument Type
Atmospheric temperature and humidity sounders 
Geometry
Cross-track scanning
Instrument Technology
Medium-resolution IR spectrometer
Sampling
Sounding
Data Access
Open Access
Data Format
HDF5
Resolution
IFOV 14 km diameter, 1 km vertical layer resolution
[Best Resolution: 14000m]
Swath
2200 km
[Max Swath: 2200 km]
Accuracy
Temperature profiles: to 0.9 K, Moisture profiles: 20 - 35%, Pressure profiles: 1%
Waveband
MWIR - TIR: 3.92 - 4.4 µm, 5.7 - 8.62 µm, 9.1 - 14.7 µm, 1300 spectral channels
| NIR (~0.75 µm - ~1.3 µm) |
| MWIR (~3.0 µm - ~6.0 µm) |
Suomi NPP - Suomi National Polar-orbiting Partnership (2011 - 2028) |
NPOESS-1 - National Polar-orbiting Operational Environmental Satellite System - 1 (2013 - 2020) |
| JPSS-1 - Joint Polar Satellite System - 1 (2017 - 2030) |
| NPOESS-5 - National Polar-orbiting Operational Environmental Satellite System - 4 (2018 - 2023) |
| NPOESS-3 - National Polar-orbiting Operational Environmental Satellite System - 3 (2018 - 2025) |
| JPSS-2 - Joint Polar Satellite System - 2 (2022 - 2030) |
JPSS-4 - Joint Polar Satellite System - 4 (2027 - 2034) |
| JPSS-3 - Joint Polar Satellite System - 3 (2032 - 2039) |