| Acronym | Meaning |
![](file.png) | RHI | Range-height-indicator |
![](file.png) | RHS | Right-hand Side |
![](file.png) | RI | Research Institute |
![](file.png) | RI# | Richardson Number |
![](file.png) | RIB | Research Internet Backbone |
![](file.png) | RIDDS | Radar Interface And Data Distribution System |
![](file.png) | RIDGE | Ridge Interdisciplinary Global Experiment |
![](file.png) | RINEX | Receiver Independent Exchange Format |
![](file.png) | RISC | Reduced Instruction Set Computer |
![](file.png) | RISE | Radiative Inputs From Sun To Earth |
![](file.png) | RITS | Radiatively Important Trace Substances |
![](file.png) | RJE | Remote Job Entry |
![](file.png) | RMC | RAF Management Council |
![](file.png) | RMC | Regional Meteorological Center |
![](file.png) | RMS | Root-mean-square |
![](file.png) | RNG | Renormalization Group |
![](file.png) | RO | Solar Radius |
![](file.png) | RO# | Rossby Number |
![](file.png) | ROBIN | Falling Balloon Experiment |
![](file.png) | ROC | Republic Of China |
![](file.png) | ROC | Regional Observational Cooperative |
![](file.png) | ROCEW | Role Of Clouds |
![](file.png) | ROLM | Not An Acronym |
![](file.png) | ROPCOM | Remote OPCM |
![](file.png) | ROSE | Rural Oxidants In The Southern Environment |
![](file.png) | ROSE-AIR | Rural Ozone In Southern Environment-Aircraft |
![](file.png) | ROTATE | Radar Observation Of Thunderstorms And Tornadoes Experiment |
![](file.png) | RPC | Remote Procedure Call |
![](file.png) | RPG | Radar Product Generator |
![](file.png) | RPG | Radar Products Generator |
![](file.png) | RPI | Rensselaer Polytechnec Institute |
![](file.png) | RPM | Revolutions Per Minute |
![](file.png) | RPM | Radiation And Particles Measurement |
![](file.png) | RPN | (Division De) Recherche En Precision Numerique |
![](file.png) | RPS | Ranked Probability Score |
![](file.png) | RPS | Routine Product Set |
![](file.png) | RR | Risk Reduction |
![](file.png) | RRB | Risk Reduction Branch |
![](file.png) | RRWDS | Radar Remote Weather Display System |
![](file.png) | RSA | Range Standardization And Augmentation Project |
![](file.png) | RSCS | Remote Spooling Communications Subsystem |
![](file.png) | RSF | Remote Sensing Facility |
![](file.png) | RT/PC | RISC Technology/Personal Computer |
![](file.png) | RTD | Regional Transportation Department |
![](file.png) | RTH | Regional Telecommunications Hubs |
![](file.png) | RTN | Regional Telecommunications Network |
![](file.png) | RTTOV | Rediative Transfer (RT) Model For Television Infrared Orbiting Satellite (TIROS) Operational Vertical Sounder (TOVS) |
![](file.png) | RTVS | Real-Time Verification System |
![](file.png) | RUC | Rapid Update Cycle |
![](file.png) | RUC-2 | Second Version Of The RUC Model |