| Abbreviation | Definition |
|---|---|
| TCU | Towering CUmulus |
| TDA | Tactical Decision Aid |
| TEA | Transversely Excited Atmosphere |
| TEA | Tranverse Excitation at Atmospheric pressure |
| TEAM | Tropical Ecology Assessment and Monitoring |
| TEC | Topographic Engineering Center |
| TECOM | Test and Evaluation Command |
| TED | Total Electron Detector |
| TEMIS | Tropospheric Emission Monitoring Internet Service |
| TESS | Tactical Environmental Support System |
| TF | Terminal Forecast |
| TFV | Thermal Field Variation |
| TG | Tributary Glacier |
| TGA | Thermo-Gravimetric Analysis |
| THB | Temperature, Humidity, Bias |
| THERT | Typhoon Haiyan Emergency Response Team |
| THI | Temperature Humidity Index |
| THP | Three-Hour Rainfall Accumulation Product |
| THW | Texas Heat Wave |
| TIBM | Tizer Basin, Montana, Hydromet station |