diff --git a/src/conv_mod.f90 b/src/conv_mod.f90
index b2c7efcf5f5cb390773b266b64bb050b3151bffb..76a639c3fd9b1811d01581ee163d5a14378d53d8 100644
--- a/src/conv_mod.f90
+++ b/src/conv_mod.f90
@@ -438,7 +438,7 @@ subroutine convmix(itime)
   ! Now visit all grid columns where particles are present
   ! by going through the sorted particles
 !$OMP PARALLEL PRIVATE (igrold,kpart,ipart,igr,jy,ix,kz,lconv, &
-!$OMP ktop,ztold,nage,ipconv,itage,lcalcflux)
+!$OMP ktop,ztold,nage,ipconv,itage,lcalcflux,ithread)
     igrold = -1
 #if (defined _OPENMP)
     ithread = OMP_GET_THREAD_NUM()+1 ! Starts at 1
diff --git a/src/drydepo_mod.f90 b/src/drydepo_mod.f90
index 98bf7c653873446964cdff93e2f7911e61257a19..9bd0ee83e6a15b1328e2f0ed11c2898fb8db83bf 100644
--- a/src/drydepo_mod.f90
+++ b/src/drydepo_mod.f90
@@ -38,18 +38,25 @@ subroutine alloc_drydepo
   if (.not. drydep) return
   write(*,*) 'allocate drydepo fields'
   allocate(xlanduse(0:nxmax-1,0:nymax-1,numclass),      &
-           xlandusen(0:nxmaxn-1,0:nymaxn-1,numclass,numbnests), &
            vdep(0:nxmax-1,0:nymax-1,maxspec,numwfmem), &
-           z0_drydep(0:nxmax-1,0:nymax-1), &
-           z0_drydepn(0:nxmax-1,0:nymax-1,numbnests), stat=stat)
+           z0_drydep(0:nxmax-1,0:nymax-1), stat=stat)
   if (stat.ne.0) error stop "Could not allocate drydepo fields"
+  if (numbnests.ge.1) then
+    allocate(xlandusen(0:nxmaxn-1,0:nymaxn-1,numclass,numbnests), &
+           vdepn(0:nxmaxn-1,0:nymaxn-1,maxspec,numwfmem,numbnests), &
+           z0_drydepn(0:nxmaxn-1,0:nymaxn-1,numbnests), stat=stat)
+    if (stat.ne.0) error stop "Could not allocate drydepo fields"
+  endif  
            
 end subroutine alloc_drydepo
 
 subroutine dealloc_drydepo
 
   if (.not. drydep) return
-  deallocate(xlanduse,xlandusen,vdep,z0_drydep,z0_drydepn)
+  deallocate(xlanduse,vdep,z0_drydep)
+  if (numbnests.ge.1) then
+    deallocate(xlandusen,vdepn,z0_drydepn)
+  endif
 
 end subroutine dealloc_drydepo
 
diff --git a/src/interpol_mod.f90 b/src/interpol_mod.f90
index 8cd29e3ffb5739c2524810f0d44d4f528a82817b..8620892bf66adcbcf8b1a82982e492c1dc0171b4 100644
--- a/src/interpol_mod.f90
+++ b/src/interpol_mod.f90
@@ -136,8 +136,8 @@ subroutine find_grid_indices(xt,yt)
     ! jy=int(ytn)
     ! nix=nint(xtn)
     ! njy=nint(ytn)
-    nix=max(min(nint(xtn),nxn(ngrid)-1),0)
-    njy=max(min(nint(ytn),nyn(ngrid)-1),0)
+    nix=max(min(int(xtn),nxn(ngrid)-1),0)
+    njy=max(min(int(ytn),nyn(ngrid)-1),0)
     ix=nix
     jy=njy
     ixp=ix+1
@@ -1987,4 +1987,4 @@ subroutine stdev_meter(iw)
 
 end subroutine stdev_meter
 #endif
-end module interpol_mod
\ No newline at end of file
+end module interpol_mod
diff --git a/src/make_command.sh b/src/make_command.sh
deleted file mode 100755
index deb0e704a23a0da693480e6e4455e4a5d0c7a559..0000000000000000000000000000000000000000
--- a/src/make_command.sh
+++ /dev/null
@@ -1,23 +0,0 @@
-
-module purge
-module load eccodes
-export CPATH=/opt/tools/eccodes/2.28.0-gcc9.4/include:/opt/tools/netcdf-fortran/4.6.0-gcc9.4/include
-export LIBRARY_PATH=$LIBRARY_PATH:/opt/tools/eccodes/2.28.0-gcc9.4/lib
-
-rm -f *.o *.mod
-
-# eta ncf - new default FLEXPART_ETA
-FC=/opt/tools/gcc/9.4.0/bin/gfortran  make -f makefile_gfortran
-#executable: FLEXPART_ETA
-
-# meter bin - classic
-#FC=/opt/tools/gcc/9.4.0/bin/gfortran  make -f makefile_gfortran eta=no ncf=no
-# executable: FLEXPART_BIN
- 
-# meter ncf:
-#FC=/opt/tools/gcc/9.4.0/bin/gfortran make -f makefile_gfortran eta=no
-# executable: FLEXPART
- 
-# eta/bin
-#FC=/opt/tools/gcc/9.4.0/bin/gfortran  make -f makefile_gfortran ncf=no
-# executable: FLEXPART_ETA_BIN
diff --git a/src/outgrid_mod.f90 b/src/outgrid_mod.f90
index 97138884050729ef12d3fac1009277e4e6b0d6b4..42da3f162f7db28322fac5bc913dcb123315ebba 100644
--- a/src/outgrid_mod.f90
+++ b/src/outgrid_mod.f90
@@ -273,8 +273,8 @@ subroutine outgrid_init
           if (ngrid.gt.0) then
             xtn=(xl-xln(ngrid))*xresoln(ngrid)
             ytn=(yl-yln(ngrid))*yresoln(ngrid)
-            ix=max(min(nint(xtn),nxn(ngrid)-1),0)
-            jy=max(min(nint(ytn),nyn(ngrid)-1),0)
+            ix=max(min(int(xtn),nxn(ngrid)-1),0)
+            jy=max(min(int(ytn),nyn(ngrid)-1),0)
             ! ix=int(xtn)
             ! jy=int(ytn)
             ddy=ytn-real(jy)
diff --git a/src/sort_mod.f90 b/src/sort_mod.f90
index d34ecf9c6eedbc16e712d957ffe58aeb6634c907..a17f20906f9bf7c2cf67050826bed38c6ffe1dc9 100644
--- a/src/sort_mod.f90
+++ b/src/sort_mod.f90
@@ -55,8 +55,8 @@
 !! in the Fortran Standard Library under the MIT license provided
 !! we cite:
 !!
-!!   Musser, D.R., “Introspective Sorting and Selection Algorithms,”
-!!   Software—Practice and Experience, Vol. 27(8), 983–993 (August 1997).
+!!   Musser, D.R., "Introspective Sorting and Selection Algorithms,"
+!!   Software-Practice and Experience, Vol. 27(8), 983-993 (August 1997).
 !!
 !! as the official source of the algorithm.
 
@@ -523,4 +523,4 @@ contains
 
   end subroutine reverse_segment
 
-end module sort_mod
\ No newline at end of file
+end module sort_mod
diff --git a/src/wetdepo_mod.f90 b/src/wetdepo_mod.f90
index e13a9c42da4e2e40df6716c9ed7135a0d92926b3..f76aa59124e296c0c9b9e53143e818f9e66e8c9a 100644
--- a/src/wetdepo_mod.f90
+++ b/src/wetdepo_mod.f90
@@ -324,7 +324,7 @@ subroutine get_wetscav(itime,jpart,ks,gridfract,wetscav)
 #endif
   
   ! Interpolate cloud information
-	call interpol_rain(itime,kz,lsp,convp,cc,t_particle,cl,icbot,ictop,icmv)
+  call interpol_rain(itime,kz,lsp,convp,cc,t_particle,cl,icbot,ictop,icmv)
   ! cc = total cloud cover
   ! cl = ctwc
 
diff --git a/src/windfields_mod.f90 b/src/windfields_mod.f90
index 5ba63cce159cf8ddddda1dbd5f4567924c979295..e2e7dac30dbff969c130c24643b21c987aac1842 100644
--- a/src/windfields_mod.f90
+++ b/src/windfields_mod.f90
@@ -93,7 +93,7 @@ module windfields_mod
     ctwc                                    ! ESO: =icloud_stats(:,:,4,:) total cloud water content
   integer,allocatable,dimension(:,:,:) ::    & ! new scavenging AT 2021
     icloudbot,                            & ! cloud bottom height [m/eta]
-	  icloudtop                               ! cloud top [m/eta]
+    icloudtop                               ! cloud top [m/eta]
 
   ! 3d nested fields
   !*****************
@@ -129,7 +129,7 @@ module windfields_mod
     ctwcn                                    ! ESO: =icloud_stats(:,:,4,:) total cloud water content
   integer,allocatable,dimension(:,:,:,:) :: & ! new scavenging AT 2021
     icloudbotn,                             & ! cloud bottom height [m/eta]
-  	icloudtopn                                ! cloud thickness [m/eta]
+    icloudtopn                                ! cloud thickness [m/eta]
 
   ! 2d fields
   !**********
@@ -152,11 +152,11 @@ module windfields_mod
     oli                                   ! inverse Obukhov length (1/L) [m]
 
   ! 2d fields
-  !**********	
+  !**********
   real, allocatable,dimension(:,:,:,:,:) :: & ! newWetDepoScheme, extra precip dimension AT 2021
     lsprec,                                 & ! large scale total precipitation [mm/h]
     convprec                                  ! convective precipitation [mm/h]
-	
+
   ! 2d nested fields
   !*******************
   real, allocatable,dimension(:,:,:,:,:) :: &
@@ -179,11 +179,11 @@ module windfields_mod
     vdepn                                     !
 
   ! 2d fields
-  !**********	
+  !**********
   real, allocatable,dimension(:,:,:,:,:,:) :: & ! newWetDepoScheme, extra precip dimension AT 2021
     lsprecn,                                 & ! large scale total precipitation [mm/h]
     convprecn                                  ! convective precipitation [mm/h]
-	
+
   integer :: metdata_format  ! storing the input data type (ECMWF/NCEP)
 
   !****************************************************************************
@@ -443,19 +443,19 @@ subroutine gridcheck_ecmwf
       !read the grib2 identifiers
       call grib_get_int(igrib,'discipline',discipl,iret)
       call grib_check(iret,thisSubr,gribErrorMsg)
-	  
+
       call grib_get_int(igrib,'parameterCategory',parCat,iret)
       call grib_check(iret,thisSubr,gribErrorMsg)
-	  
+
       call grib_get_int(igrib,'parameterNumber',parNum,iret)
       call grib_check(iret,thisSubr,gribErrorMsg)
-	  
+
       call grib_get_int(igrib,'typeOfFirstFixedSurface',typSfc,iret)
       call grib_check(iret,thisSubr,gribErrorMsg)
-	  
+
       call grib_get_int(igrib,'level',k,iret)
       call grib_check(iret,thisSubr,gribErrorMsg)
-	  
+
       call grib_get_int(igrib,'paramId',parId,iret)
       call grib_check(iret,thisSubr,gribErrorMsg)
 
@@ -1882,11 +1882,8 @@ subroutine gridcheck_nest
 
   ! Allocate memory for windfields using nxmax, nymaxn, numbnest
   !*************************************************************
-  if (numbnests.ge.1) then
-    ! If nested wind fields are used, allocate arrays
-    !************************************************
-    call alloc_windfields_nest
-  endif
+  call alloc_windfields_nest
+
 
 
   return
@@ -4303,8 +4300,6 @@ subroutine alloc_windfields_nest
   if (stat.ne.0) error stop "Could not allocate tropopausen"
   allocate(olin(0:nxmaxn-1,0:nymaxn-1,1,numwfmem,numbnests),stat=stat)
   if (stat.ne.0) error stop "Could not allocate olin"
-  allocate(vdepn(0:nxmaxn-1,0:nymaxn-1,maxspec,numwfmem,numbnests),stat=stat)
-  if (stat.ne.0) error stop "Could not allocate vdepn"
 
   ! Initialise
   !************  
@@ -4362,7 +4357,7 @@ subroutine dealloc_windfields_nest
 #endif
 
   deallocate(psn,sdn,msln,tccn,u10n,v10n,tt2n,td2n,lsprecn,convprecn, &
-    sshfn,ssrn,sfcstressn,ustarn,wstarn,hmixn,tropopausen,olin,vdepn)
+    sshfn,ssrn,sfcstressn,ustarn,wstarn,hmixn,tropopausen,olin)
 
   deallocate(xresoln,yresoln,xln,yln,xrn,yrn)
 end subroutine dealloc_windfields_nest