| Acronym | Meaning |
| NIMROD | Northern Illinois Meteorological Research On Downbursts |
| RAPB | Regional Analysis And Prediction Branch |
| GALA | Geoscience Airborne Laser Altimeter |
| GEMPAK | General Meteorological Package |
| IDNHR | International Decade Of Natural Hazard Reduction |
| ACRIM | Active Cavity Radiometer Irradiance Monitor |
| GCP | Global Chemistry Program |
| PNA | Pacific/North American |
| EMRO | Emergency Management & Response Office |
| PCO | Polar Cap Observatory |