A collection of diagnostic and interpolation routines for use with output from the Weather Research and Forecasting (WRF-ARW) Model.
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! NCLFORTSTART
SUBROUTINE DCLOUDFRAC(pres, rh, lowc, midc, highc, nz, ns, ew)
IMPLICIT NONE
!f2py threadsafe
!f2py intent(in,out) :: lowc, midc, highc
INTEGER nz, ns, ew
REAL(KIND=8), DIMENSION(ew, ns, nz), INTENT(IN) :: pres, rh
REAL(KIND=8), DIMENSION(ew, ns), INTENT(OUT) :: lowc, midc, highc
! NCLEND
INTEGER i, j, k
INTEGER kchi, kcmi, kclo
! Remove compiler warnings
kchi = 0
kcmi = 0
kclo = 0
DO j = 1,ns
DO i = 1,ew
DO k = 1,nz-1
IF ( pres(i,j,k) .GT. 97000. ) kclo=k
IF ( pres(i,j,k) .GT. 80000. ) kcmi=k
IF ( pres(i,j,k) .GT. 45000. ) kchi=k
END DO
DO k = 1,nz-1
IF (k .GE. kclo .AND. k .LT. kcmi) THEN
lowc(i,j) = MAX(rh(i,j,k), lowc(i,j))
ELSE IF (k .GE. kcmi .AND. k .LT. kchi) THEN ! mid cloud
midc(i,j) = MAX(rh(i,j,k), midc(i,j))
ELSE if (k .GE. kchi) THEN ! high cloud
highc(i,j) = MAX(rh(i,j,k), highc(i,j))
END IF
END DO
lowc(i,j) = 4.0*lowc(i,j)/100. - 3.0
midc(i,j) = 4.0*midc(i,j)/100. - 3.0
highc(i,j) = 2.5*highc(i,j)/100. - 1.5
lowc(i,j) = MIN(lowc(i,j), 1.0)
lowc(i,j) = MAX(lowc(i,j), 0.0)
midc(i,j) = MIN(midc(i,j), 1.0)
midc(i,j) = MAX(midc(i,j), 0.0)
highc(i,j) = MIN(highc(i,j), 1.0)
highc(i,j) = MAX(highc(i,j), 0.0)
END DO
END DO
RETURN
END SUBROUTINE DCLOUDFRAC