| Acronym | Meaning |
| ELLWAS | Enhanced Low-Level Windshear Alert System |
| WBGT | Wet Bulb Globe Temperature |
| ICWG | International Coordinating Working Group |
| RAND OR RAND | Research And Development |
| RAFS | Regional Analysis And Forecast System |
| ATEX | Atlantic Tradewind Experiment |
| GRID | Global Resource Information Database |
| GTG | GARP Task Group |
| GWS | Gateway Service |
| ACEP | DOC Advisory Committee |