| Acronym | Meaning |
 | PV | Potential Vorticity |
 | BWI | Baltimore-Washington International Airport |
 | IRC | International Research Council |
 | CAMAC | Computer-automated Measurement And Control |
 | IMPROVE II | Improvement Of Cloud & Precipitation Physics In Mesoscale Models ? 2nd Generation |
 | C/D | Integrated Phase C And Phase D Contract |
 | CAR | Central African Republic |
 | FASCODE | Fast Atmosphere Signature Code |
 | CBSS | Change Board Support System |
 | ORD | Office Of Research And Development |