Acronym List


Acronym Full name Comments
R rayleigh
R roentger, Richardson, and Rankine (temperature)
R&D Research and Development
R/T Receiver/Transmitter
RA radio antenna
RA radio active
Ra# Raleigh number some jobs use R
RAAF Royal Australian Air Force
RACOON Radiation Controlled Balloon GAMP
rad radian
Radars   AN/FPQ-6 AN/GSN AN/FPQ-16 AN/MPS-19 AN/ASR-7 The M33, CP-2 The Grover radar The CHILL radar is jointly owned by the University of Chicago and ISWS
RADARSAT Radar Satellite Canada
RADEX Radar Experiment NWS
Radiosonde   For measurements of pressure, temperature, and water vapor
RADM Regional Acid Deposition Model ASMP
RAF Research Aviation Facility NCAR/ EOL
RAFS Regional Analysis and Forecast System
RAG Resource Accounting Group
RAID Redundant Arrays of Inexpensive Disks technology
rain   Precipitation in the form of liquid water drops that have diameters greater than 0.5 mm or, if widely scattered, the drops may be smaller.
rainbow   A circle or from the usual viewpoint an arc of a circle exhibiting in concentric bands the several colors of the spectrum and formed opposite of the sun by the refraction and reflection of the sun's rays in drops of rain.
RALI Resource and Land Information USGS program
RAM random access memory
RAM Responsibility Assignment Matrix
RAM Research application module space shuttle program
RAM Rad Academica de Mexico
RAMOS Remote Automatic Meteorological Observing Station NWS
RAMS random access measurement system GSFC
RAMS Remote Aerosol-Mapping System
RAMS Regional Atmospheric Modeling System Colorado State University, Fort Collins, CO.
RAND or Rand Research and Development All caps if name is used alone, initial cap only if used in text
RANN Research Applied to National Needs NSF
RAOB Radiosonde Observation
RAOBS Radiosonde Observations
RAP Research Applications Program UCAR
RAP remedial action plan
RAPB Regional Analysis and Prediction Branch FSL
RAPS Real-Time Analysis and Prediction of Storms
RAPS-92 Real-Time Analysis and Prediction of Storms-1992
RAPTSTM WX Research Applications Program Thunderstorm Weather
RAS Retrospective Analysis System
RAS Royal Astronomical Society England
RASS radio acoustic sounding system
RASTER (Remote) ASTER, q.v.
RATS Real-time Aircraft Tracking System
Raven Rocketborne sounding vehicle MRN program
RAWINS Radio Wind measurements electronic radio direction-finding equipment
RAWPG Regional Aviation Weather Products Generator
RAWS remote automatic weather station
RBV Return Beam Vidicon
RCA Request for Contract Action
RCAG remote-controlled air-to-ground
RCHO aldehydes
RCM WSR-88D Radar Coded Message
RCPG Research Coordination and Planning Group GARP
R&D Research & Development
RDA radar data acquisition
RDA remote database access
RDAM Radar Data Access and Management format
RDAS Reflectivity Data Acquisition System SODAR, NCAR
RDC Regional Data Center GARP
RDCC Real-time Display and Coordination Center  
RDF Real-data forecast GARP
RDF Radio direction finding
RDP Research Data Program
RDR Radar
RDSG Research Data Support Group
RDSS Research Data Support System FOF/NCAR
RDT&E Research, Development, Test, and Evaluation
RECOURSE Revision Control Unifying Related Environments
RegCM regional climate model
RegCM2 Regional Climate Model
relative humidity   The ratio fo the vapor pressure to the saturation vapor pressure with respect to water.
REREX Remote Read-out Experiment NWS/NOAA
REU Research Experiences for Undergraduates NSF
RF radio frequency
RFC River Forecast Center
RFC request for comment
RFF Research Flight Facility NOAA
RFF Resources for the Future
RFI radio frequency interference
RFP request for proposal
RFQ request for quote
RFT reverse-flow thermometer
RGB Red, Green, Blue color mixing system for color graphics displays using red, green, and blue as the primary colors
RGP Reactive Gases and Particles Project
RGSP Review of Geophysics and Space Physics
RH relative humidity
RHI range-height-indicator
rhs right-hand side
Ri# Richardson number some jobs use R
RI Research Institute
RIB Research Internet Backbone
RIDDS Radar Interface and Data Distribution System
RIDGE Ridge Interdisciplinary Global Experiment
rime   A white or milky and opaque granular deposit of ice formed by the rapid freezing of supercooled water drops as they impinge upon an exposed object.
RINEX Receiver Independent Exchange format
RISC reduced instruction set computer
RISE Radiative Inputs from Sun to Earth NSF
RITS Radiatively Important Trace Substances
RJE remote job entry
RMC RAF Management Council
RMC Regional Meteorological Center GARP
rms root-mean-square
RNG Renormalization Group
Ro solar radius
Ro# Rossby number
Robin Falling Balloon Experiment MRN program
ROC Republic of China Taiwan
ROC Regional Observational Cooperative
ROCEW Role of Clouds, Energy, and Water In global change program
Rolm not an acronym Builds airborne, special purpose computers and phones
ROSE Rural Oxidants in the Southern Environment NCAR, ACD
ROSE-AIR Rural Ozone in Southern Environment-Aircraft NCAR, ACD
ROTATE Radar Observation of Thunderstorms and Tornadoes Experiment
RPC Remote Procedure Call
RPG Radar Product Generator
RPG radar products generator
RPI Rensselaer Polytechnec Institute
rpm revolutions per minute
RPM radiation and particles measurement TWERLE
RPN (Division de) Recherche en Precision Numerique AES, Canada
RPS ranked probability score
RPS Routine Product Set
RR Risk Reduction
RRB Risk Reduction Branch
RRWDS Radar Remote Weather Display System
RSA Range Standardization and Augmentation project U.S. Space Center
RSCS Remote Spooling Communications Subsystem
RSF Remote Sensing Facility NCAR, EOL
R/T Reciever/Transmitter
RT/PC RISC Technology/Personal Computer
RTD Regional Transportation Department
RTH Regional Telecommunications Hubs
RTN Regional Telecommunications Network GARP
RTTOV Rediative Transfer (RT) model for Television Infrared Orbiting Satellite (TIROS) Operational Vertical Sounder (TOVS)
RTVS Real-Time Verification System FSL
RUC Rapid Update Cycle FSL
RUC-2 Second version of the RUC model
RUCS Rapid Update Cycle Surface
RUI Research in Undergraduate Institutions
RV Research Vessel GARP
RW rain showers "Meteorological symbol"
R-Z relationship R = precipitation rate, Z = radar reflectivity