| Abbreviation | Definition |
|---|---|
| FC | Firm Condensation |
| FC | Funnel Cloud |
| FCMSSR | Federal Committee for Meteorological Services and Supporting Research |
| FCST | Forecast |
| FEB | Flow Equalization Basin |
| FFA | Flood Frequency Analysis |
| FFRA | Flash Flood Risk Analysis |
| FFRAP | Flash Flood Risk Analysis Project |
| FG | Falling Glass |
| FGAT | First Guess at Appropriate Time (weather forecasting) |
| FGDC | Federal Geographic Data Committee |
| FH | Fisherman's Horizon |
| FH | Fishermen's Horizon |
| FIT | Frequency, Intensity, Time |
| FLA | Flash Flood (watch) Alert |
| FLD | Flood |
| FLPP | Future Launchers Preparatory Programme |
| FMF | Fleet Marine Force |
| FMH | Federal Meteorological Handbook |
| FMH | Federal Meteorological Handbooks |