| Symbol | Description | Uses |
| PIw | 1 if layer exists, 0 otherwise (at U point) | 3 |
| File | Line number | Procedure | Code |
| ./pkg/layers/layers_fluxcalc.F | 20 | LAYERS_FLUXCALC |
O UH,VH,Hw,Hs,PIw,PIs,U,V, |
| ./pkg/layers/layers_fluxcalc.F | 318 | LAYERS_FLUXCALC |
PIw(i,j,kg,bi,bj) = 1. _d 0 |
| ./pkg/layers/layers_fluxcalc.F | 66 | LAYERS_FLUXCALC |
_RL PIw (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nlayers,nSx,nSy) |