| R |
Base Reflectivity, red, right, or restricted area |
| RA |
Rain |
| RADAT |
Radiosonde observation data |
| RAFC |
Regional Area Forecast Center |
| RAFS |
Regional Analysis and Forecasting System. |
| RAG |
Ragged |
| RAMSDIS |
RAMM Advanced Meteorological Satellite Demonstration and Interpretation System |
| RAOB |
Radiosonde Observation |
| RAOBS |
Radiosonde observations |
| RCH |
Reach or reaching |
| RCHD |
Reached |
| RCHG |
Reaching |
| RCHS |
Reaches |
| RCKY |
Rocky |
| RCKYS |
Rockies |
| RCM |
Radar Coded Message |
| RCMD |
Recommend |
| RCMDD |
Recommended |
| RCMDG |
Recommending |
| RCMDS |
Recommends |
| RCRD |
Record |
| RCRDS |
Records |
| RCS |
Reflectivity Cross Section |
| RCV |
Receive |
| RCVD |
Received |
| RCVG |
Receiving |
| RCVS |
Receives |
| RDA |
Radar Data Acquisition |
| RDC |
Reduce |
| RDGG |
Ridging |
| RDR |
Radar |
| RDVLP |
Redevelop |
| RDVLPG |
Redeveloping |
| RDVLPMT |
Redevelopment |
| RE |
Regard or Recent |
| REC |
Recreation Report |
| RECON |
Reconnaissance |
| REF |
Reference |
| REP |
Report or reporting or reporting point |
| REPL |
Replace |
| REPLD |
Replaced |
| REPLG |
Replacing |
| REPLS |
Replaces |
| REQ |
Request or requested |
| REQS |
Requests |
| REQSTD |
Requested |
| RES |
Reserve |
| RESP |
Response |
| RESTR |
Restrict |
| RFC |
River Forecast Center |
| RFD |
Rear Flank Downdraft |
| RGD |
Ragged |
| RGL |
Regional Model |
| RGLR |
Regular |
| RGN |
Region |
| RGNS |
Regions |
| RGT |
Right |
| RH |
Relative Humidity |
| RHI |
Range-Height Indicator |
| RHINO |
RHI not operative |
| RI |
Rhode Island |
| RIOGD |
Rio Grande |
| RL |
Report leaving |
| RLBL |
Reliable |
| RLTV |
Relative |
| RLTVLY |
Relatively |
| RMK |
Remark |
| RMN |
Remain |
| RMND |
Remained |
| RMNDR |
Remainder |
| RMNG |
Remaining |
| RMNS |
Remains |
| RNFL |
Rainfall |
| ROBEX |
Regional OPMET bulletin exchange (scheme) |
| ROC |
Rate of climb |
| ROD |
Rate of descent |
| ROFOR |
Route forecast (in aeronautical meteorological code) |
| ROML |
Regional Operations Manual Letter. |
| ROSA |
Remote Observing System Automation |
| ROT |
Rotate |
| ROTD |
Rotated |
| ROTG |
Rotating |
| ROTS |
Rotates |
| RPD |
Rapid |
| RPDLY |
Rapidly |
| RPG |
Radar Product Generator |
| RPLC |
Replace or replaced |
| RPLCD |
Replaced |
| RPLCG |
Replacing |
| RPLCS |
Replaces |
| RPRT |
Report |
| RPRTD |
Reported |
| RPRTG |
Reporting |
| RPRTS |
Reports |
| RPT |
Repeat |
| RPTG |
Repeating |
| RPTS |
Repeats |
| RQR |
Require |
| RQRD |
Required |
| RQRG |
Requiring |
| RQRS |
Requires |
| RR |
Report reaching |
| RRA |
(or RRB, RRC ... etc., in sequence) Delayed meteorological message (message type designator) |
| RS |
Receiver station |
| RSG |
Rising |
| RSN |
Reason |
| RSNG |
Reasoning |
| RSNS |
Reasons |
| RSTR |
Restrict |
| RSTRD |
Restricted |
| RSTRG |
Restricting |
| RSTRS |
Restricts |
| RTD |
Delayed (used to indicate delayed meteorological message; message type designator) |
| RTE |
Route |
| RTN |
Return or returned or returning |
| RTRN |
Return |
| RTRND |
Returned |
| RTRNG |
Returning |
| RTRNS |
Returns |
| RUC |
Rapid Update Cycle |
| RUF |
Rough |
| RUFLY |
Roughly |
| RVA |
River Summary |
| RVF |
River Forecast |
| RVI |
River Ice Statement |
| RVR |
River Recreation Statement or Runway Visual Range |
| RVS |
River Statement or Revise |
| RVSD |
Revised |
| RVSG |
Revising |
| RVSS |
Revises |
| RW |
Rain Shower |
| RWY |
Runway |
Acronyms
