| Abbreviation | Definition |
|---|---|
| TS | The Surface |
| TSARP | Tropical Storm Allison Recovery Project |
| TSC | Transportation Systems Center |
| TSDC | TOGA Subsurface Data Center |
| TSJ | Tropical Storm Jane |
| TSLC | TOGA Sea Level Center |
| TT | Topologically Tame |
| TTO | Transient Tracers in the Ocean |
| TUTA | Topsides Umbilical Termination Assembly |
| TV | Tidal Volume |
| TVD | True Vertical Depth |
| TVS | Tornadic Vortex Signature |
| TWA | Tropical Western Atlantic |
| TWERLE | Tropical Wind, Energy Conversion and Reference Level Experiment |
| TWL | Top Water Level |
| TWO | Tap Water Oriface |
| TWO | Tsunami Warning And Observations |
| TWP | Tap Water Purification |
| TWP | Tropical Western Pacific |
| TWQ | Target Water Quality |