| Acronym | Meaning |
| LERC | Lewis Research Center |
| ASRL | Atmospheric Science Research Laboratory |
| NAFAX | Analog Facsimile Map |
| TSAO | Tropical Semiannual Oscillation |
| UT | Universal Time |
| THORPEX | The Observing System Research And Predictability Experiment |
| LAMBADA | Amazon Basin Experiment |
| NIMROD | Northern Illinois Meteorological Research On Downbursts |
| ARPA | Archaeological Resources Protection Act |
| PEM | Particle Environment Monitor |