Horizontal Velocity
| Hrz Flw Dstrb Cd | Hrz Flw Dstrb Nm | Hrz Flw Dstrb Ds |
|---|---|---|
| unkn | unknown | |
| UNSP | Unspecified | The horizontal flow distribution was not specified. |
| EVEN | Even | The horizontal flow was distributed evenly from bank to bank. |
| UNEV | Uneven | The horizontal flow was not distributed evenly from bank to bank. |