| Acronym | Meaning |
 | PPHM | Parts Per Hundred Million |
| ECMOP | Experimental Center For Mesoscale Ocean Predictions |
| DWS | Dropwindsonde |
| NDVI | Greeness Index From Satellites |
| AOS | Advanced Orbiting System |
| ATRMD | Air |
| ESTAR | Electrically Steered Thinned Array Radiometer |
| OA | Office Automation |
| MHR | Mile High Radar |
| EAD | Energy And Air Division (EPA |
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