| Acronym | Meaning |
 | SMOG | N/A |
 | GRID | Graphical Interactive Display |
 | RAFS | Regional Analysis And Forecast System |
 | RIDDS | Radar Interface And Data Distribution System |
 | MPDATA | Multidimensional Positive Definite Advection Algorithm |
 | MW | Megawords |
 | IDL | Interface Definition Language |
 | AML | Acronym Master List |
 | NEC | Nippon Machines |
 | LSA | Logistics Support Analysis |