| Term | Full Form | Category |
|---|---|---|
| HE&FS | Hazard Evaluation and Field Studies | Others |
| HEFS | Helicopter Emergency Flotation System | Others |
| HEFS | Hydrologic Ensemble Forecast Service | Others |
| HEFS | Hydrologic Ensemble Forecast System | Others |
| HEFS | Hydrologic Ensemble Forecasting Service | Others |
| HEFS | Hydrologic Ensemble Forecasting System | Others |