| Acronym | Meaning |
 | ITS | Interferometer Thermal Sounder (HIS) |
| SHARP | Summer High School Apprenticeship Research Program (NASA) |
| CAC | Climate Analysis Center |
| NOAA | National Oceanic And Atmospheric Administration |
| XBSS | X-ray Background Survey Spectrometer |
| CRAS | CIMSS Regional Assimilation System |
| MODIS | MODerate-resolution Imaging Spectroradiometer (EOS) |
| NCEP | National Centers For Environmental Prediction (form. NMC; NWS Center) |
| LIDAR | LIght Detection And Ranging |
| GEWEX | Global Energy And Water Cycle EXperiment (WCRP) |
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