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subroutine da_calculate_grady_radar(iv, re, jo_grad_y) 1,2
!-------------------------------------------------------------------------
! Purpose: Applies obs inverse on re-vector
!-------------------------------------------------------------------------
implicit none
type (iv_type), intent(in) :: iv ! Innovation vector.
type (y_type), intent(inout) :: re ! Residual vector.
type (y_type), intent(inout) :: jo_grad_y ! Grad_y(Jo)
integer :: n, k
if (trace_use_dull) call da_trace_entry
("da_calculate_grady_radar")
do n=1, iv%info(radar)%nlocal
do k=1, iv%info(radar)%levels(n)
if (use_radar_rv) then
if (iv%radar(n)%rv(k)%qc < obs_qc_pointer) then
re%radar(n)%rv(k) = 0.0
end if
jo_grad_y%radar(n)%rv(k) = -re%radar(n)%rv(k) / (iv%radar(n)%rv(k)%error * iv%radar(n)%rv(k)%error)
end if
if (use_radar_rf) then
if (iv%radar(n)%rf(k)%qc < obs_qc_pointer) then
re%radar(n)%rf(k) = 0.0
end if
jo_grad_y%radar(n)%rf(k) = -re%radar(n)%rf(k) / (iv%radar(n)%rf(k)%error * iv%radar(n)%rf(k)%error)
end if
if (.not.use_radar_rf .and. use_radar_rhv) then
if (iv%radar(n)%rrn(k)%qc < obs_qc_pointer) then
re%radar(n)%rrn(k) = 0.0
end if
jo_grad_y%radar(n)%rrn(k) = -re%radar(n)%rrn(k) / (iv%radar(n)%rrn(k)%error * iv%radar(n)%rrn(k)%error)
if (iv%radar(n)%rsn(k)%qc < obs_qc_pointer) then
re%radar(n)%rsn(k) = 0.0
end if
jo_grad_y%radar(n)%rsn(k) = -re%radar(n)%rsn(k) / (iv%radar(n)%rsn(k)%error * iv%radar(n)%rsn(k)%error)
if (iv%radar(n)%rgr(k)%qc < obs_qc_pointer) then
re%radar(n)%rgr(k) = 0.0
end if
jo_grad_y%radar(n)%rgr(k) = -re%radar(n)%rgr(k) / (iv%radar(n)%rgr(k)%error * iv%radar(n)%rgr(k)%error)
end if
if (use_radar_rqv) then
if (iv%radar(n)%rqv(k)%qc < obs_qc_pointer) then
re%radar(n)%rqv(k) = 0.0
end if
jo_grad_y%radar(n)%rqv(k) = -re%radar(n)%rqv(k) / (iv%radar(n)%rqv(k)%error * iv%radar(n)%rqv(k)%error)
end if
end do
end do
if (trace_use_dull) call da_trace_exit("da_calculate_grady_radar")
end subroutine da_calculate_grady_radar