diff --git a/src/LIB/SURCOUCHE/src/fmreadwrit.f90 b/src/LIB/SURCOUCHE/src/fmreadwrit.f90
index b386793c80a0fa59a9c31150d3d1bae40f293f07..e423bf89c443643fd1b8df0eb51abfabdabf6fd6 100644
--- a/src/LIB/SURCOUCHE/src/fmreadwrit.f90
+++ b/src/LIB/SURCOUCHE/src/fmreadwrit.f90
@@ -275,6 +275,7 @@ INTERFACE IO_WRITE_FIELD_LFI
    MODULE PROCEDURE IO_WRITE_FIELD_LFI_X0,IO_WRITE_FIELD_LFI_X1, &
                     IO_WRITE_FIELD_LFI_X2,IO_WRITE_FIELD_LFI_X3, &
                     IO_WRITE_FIELD_LFI_X4,IO_WRITE_FIELD_LFI_X5, &
+                    IO_WRITE_FIELD_LFI_X6,                       &
                     IO_WRITE_FIELD_LFI_N0,IO_WRITE_FIELD_LFI_N1, &
                     IO_WRITE_FIELD_LFI_N2,IO_WRITE_FIELD_LFI_N3, &
                     IO_WRITE_FIELD_LFI_C0,                       &
@@ -528,6 +529,45 @@ IF (ALLOCATED(IWORK)) DEALLOCATE(IWORK)
 !
 END SUBROUTINE IO_WRITE_FIELD_LFI_X5
 !
+SUBROUTINE IO_WRITE_FIELD_LFI_X6(TPFIELD,KFLU,PFIELD,KRESP)
+!
+IMPLICIT NONE
+!
+!*      0.1   Declarations of arguments
+!
+TYPE(TFIELDDATA),           INTENT(IN) :: TPFIELD
+INTEGER,                    INTENT(IN) :: KFLU   ! Fortran Logical Unit
+REAL,DIMENSION(:,:,:,:,:,:),INTENT(IN) :: PFIELD ! array containing the data field
+INTEGER,                    INTENT(OUT):: KRESP  ! return-code if problems araised
+!
+!*      0.2   Declarations of local variables
+!
+INTEGER                                  :: ILENG
+INTEGER(kind=LFI_INT)                    :: IRESP, ITOTAL
+INTEGER(KIND=8),DIMENSION(:),ALLOCATABLE :: IWORK
+CHARACTER(LEN=16)                        :: YRECFM
+!
+CALL PRINT_MSG(NVERB_DEBUG,'IO','IO_WRITE_FIELD_LFI_X6','writing '//TRIM(TPFIELD%CMNHNAME))
+!
+ILENG = SIZE(PFIELD)
+!
+CALL WRITE_PREPARE(TPFIELD,ILENG,IWORK,ITOTAL,IRESP)
+!
+IF (IRESP==0) THEN
+  CALL TRANSFW(IWORK(LEN_TRIM(TPFIELD%CCOMMENT)+3),PFIELD,ILENG)
+  YRECFM=TRIM(TPFIELD%CMNHNAME)
+  IF( LEN_TRIM(TPFIELD%CMNHNAME) > LEN(YRECFM) ) &
+    CALL PRINT_MSG(NVERB_WARNING,'IO','IO_WRITE_FIELD_LFI_X6','field name was truncated to '&
+                   //YRECFM//' for '//TRIM(TPFIELD%CMNHNAME))
+  CALL LFIECR(IRESP,KFLU,YRECFM,IWORK,ITOTAL)
+ENDIF
+!
+KRESP=IRESP
+!
+IF (ALLOCATED(IWORK)) DEALLOCATE(IWORK)
+!
+END SUBROUTINE IO_WRITE_FIELD_LFI_X6
+!
 SUBROUTINE IO_WRITE_FIELD_LFI_N0(TPFIELD,KFLU,KFIELD,KRESP)
 !
 IMPLICIT NONE
diff --git a/src/LIB/SURCOUCHE/src/fmwrit_ll.f90 b/src/LIB/SURCOUCHE/src/fmwrit_ll.f90
index b374ee4e62181a077a9a1feee7761c286bfb2dad..e8ec742ef31312c486cb505cee4e216f7de1079e 100644
--- a/src/LIB/SURCOUCHE/src/fmwrit_ll.f90
+++ b/src/LIB/SURCOUCHE/src/fmwrit_ll.f90
@@ -182,6 +182,7 @@ MODULE MODE_FMWRIT
      MODULE PROCEDURE IO_WRITE_FIELD_BYNAME_X0, IO_WRITE_FIELD_BYNAME_X1,  &
                       IO_WRITE_FIELD_BYNAME_X2, IO_WRITE_FIELD_BYNAME_X3,  &
                       IO_WRITE_FIELD_BYNAME_X4, IO_WRITE_FIELD_BYNAME_X5,  &
+                      IO_WRITE_FIELD_BYNAME_X6,                            &
                       IO_WRITE_FIELD_BYNAME_N0, IO_WRITE_FIELD_BYNAME_N1,  &
                       IO_WRITE_FIELD_BYNAME_N2, IO_WRITE_FIELD_BYNAME_N3,  &
                       IO_WRITE_FIELD_BYNAME_L0, IO_WRITE_FIELD_BYNAME_L1,  &
@@ -190,6 +191,7 @@ MODULE MODE_FMWRIT
                       IO_WRITE_FIELD_BYFIELD_X0,IO_WRITE_FIELD_BYFIELD_X1, &
                       IO_WRITE_FIELD_BYFIELD_X2,IO_WRITE_FIELD_BYFIELD_X3, &
                       IO_WRITE_FIELD_BYFIELD_X4,IO_WRITE_FIELD_BYFIELD_X5, &
+                      IO_WRITE_FIELD_BYFIELD_X6,                           &
                       IO_WRITE_FIELD_BYFIELD_N0,IO_WRITE_FIELD_BYFIELD_N1, &
                       IO_WRITE_FIELD_BYFIELD_N2,IO_WRITE_FIELD_BYFIELD_N3, &
                       IO_WRITE_FIELD_BYFIELD_L0,IO_WRITE_FIELD_BYFIELD_L1, &
@@ -2322,6 +2324,114 @@ CONTAINS
     KRESP = IRESP
   END SUBROUTINE FMWRITX6_ll
 
+  SUBROUTINE IO_WRITE_FIELD_BYNAME_X6(TPFILE,HNAME,HFIPRI,KRESP,PFIELD)
+    !
+    USE MODD_IO_ll, ONLY : TFILEDATA
+    !
+    !*      0.1   Declarations of arguments
+    !
+    TYPE(TFILEDATA),             INTENT(IN) :: TPFILE
+    CHARACTER(LEN=*),            INTENT(IN) :: HNAME    ! name of the field to write
+    CHARACTER(LEN=*),            INTENT(IN) :: HFIPRI   ! output file for error messages
+    INTEGER,                     INTENT(OUT):: KRESP    ! return-code 
+    REAL,DIMENSION(:,:,:,:,:,:), INTENT(IN) :: PFIELD   ! array containing the data field
+    !
+    !*      0.2   Declarations of local variables
+    !
+    INTEGER :: ID ! Index of the field
+    !
+    CALL PRINT_MSG(NVERB_DEBUG,'IO','IO_WRITE_FIELD_BYNAME_X6','writing '//TRIM(HNAME))
+    !
+    CALL FIND_FIELD_ID_FROM_MNHNAME(HNAME,ID,KRESP)
+    !
+    IF(KRESP==0) CALL IO_WRITE_FIELD(TPFILE,TFIELDLIST(ID),HFIPRI,KRESP,PFIELD)
+    !
+  END SUBROUTINE IO_WRITE_FIELD_BYNAME_X6
+
+  SUBROUTINE IO_WRITE_FIELD_BYFIELD_X6(TPFILE,TPFIELD,HFIPRI,KRESP,PFIELD)
+    USE MODD_IO_ll
+    USE MODD_PARAMETERS_ll,ONLY : JPHEXT
+    USE MODE_FD_ll, ONLY : GETFD,JPFINL,FD_LL
+    USE MODE_ALLOCBUFFER_ll
+    USE MODE_GATHER_ll
+    !JUANZ
+    USE MODE_IO_ll, ONLY : io_file,io_rank
+    USE MODD_TIMEZ, ONLY : TIMEZ
+    USE MODE_MNH_TIMING, ONLY : SECOND_MNH2
+    !JUANZ 
+    USE MODD_VAR_ll, ONLY : MNH_STATUSES_IGNORE
+    !
+    !
+    !*      0.1   Declarations of arguments
+    !
+    TYPE(TFILEDATA),                   INTENT(IN) :: TPFILE
+    TYPE(TFIELDDATA),                  INTENT(IN) :: TPFIELD
+    CHARACTER(LEN=*),                  INTENT(IN) :: HFIPRI   ! output file for error messages
+    INTEGER,                           INTENT(OUT):: KRESP    ! return-code 
+    REAL,DIMENSION(:,:,:,:,:,:),TARGET,INTENT(IN) :: PFIELD   ! array containing the data field
+    !
+    !*      0.2   Declarations of local variables
+    !
+    CHARACTER(LEN=28)                        :: YFILEM   ! FM-file name
+    CHARACTER(LEN=NMNHNAMELGTMAX)            :: YRECFM   ! name of the article to write
+    CHARACTER(LEN=2)                         :: YDIR     ! field form
+    CHARACTER(LEN=JPFINL)                    :: YFNLFI
+    INTEGER                                  :: IERR
+    TYPE(FD_ll), POINTER                     :: TZFD
+    INTEGER                                  :: IRESP
+    REAL,DIMENSION(:,:,:,:,:,:),POINTER      :: ZFIELDP
+    LOGICAL                                  :: GALLOC
+    INTEGER                                  :: IHEXTOT
+    !
+    YFILEM   = TPFILE%CNAME
+    YRECFM   = TPFIELD%CMNHNAME
+    YDIR     = TPFIELD%CDIR
+    !
+    CALL PRINT_MSG(NVERB_DEBUG,'IO','IO_WRITE_FIELD_BYFIELD_X6','writing '//TRIM(YRECFM))
+    !
+    IRESP = 0
+    GALLOC    = .FALSE.
+    YFNLFI=TRIM(ADJUSTL(YFILEM))//'.lfi'
+!
+    !------------------------------------------------------------------
+    IHEXTOT = 2*JPHEXT+1
+    TZFD=>GETFD(YFNLFI)
+    IF (ASSOCIATED(TZFD)) THEN
+       IF (GSMONOPROC) THEN ! sequential execution
+          IF (LLFIOUT) CALL IO_WRITE_FIELD_LFI(TPFIELD,TZFD%FLU,PFIELD,IRESP)
+          IF (LIOCDF4) CALL IO_WRITE_FIELD_NC4(TPFILE,TPFIELD,TZFD%CDF,PFIELD,IRESP)
+       ELSE
+          IF (ISP == TZFD%OWNER)  THEN
+             CALL ALLOCBUFFER_ll(ZFIELDP,PFIELD,YDIR,GALLOC)
+          ELSE
+             ALLOCATE(ZFIELDP(0,0,0,0,0,0))
+             GALLOC = .TRUE.
+          END IF
+          !
+          IF (YDIR == 'XX' .OR. YDIR =='YY') THEN
+             CALL GATHER_XXFIELD(YDIR,PFIELD,ZFIELDP,TZFD%OWNER,TZFD%COMM)
+          ELSEIF (YDIR == 'XY') THEN
+             CALL GATHER_XYFIELD(PFIELD,ZFIELDP,TZFD%OWNER,TZFD%COMM)
+          END IF
+          !
+          IF (ISP == TZFD%OWNER)  THEN
+             IF (LLFIOUT) CALL IO_WRITE_FIELD_LFI(TPFIELD,TZFD%FLU,ZFIELDP,IRESP)
+             IF (LIOCDF4) CALL IO_WRITE_FIELD_NC4(TPFILE,TPFIELD,TZFD%CDF,ZFIELDP,IRESP)
+          END IF
+          !
+          CALL MPI_BCAST(IRESP,1,MPI_INTEGER,TZFD%OWNER-1,TZFD%COMM,IERR)
+       END IF ! multiprocessor execution
+    ELSE
+       IRESP = -61
+    END IF
+    !----------------------------------------------------------------
+    IF (IRESP.NE.0) THEN
+       CALL FM_WRIT_ERR("IO_WRITE_FIELD_BYFIELD_X6",YFILEM,HFIPRI,YRECFM,YDIR,TPFIELD%NGRID,LEN(TPFIELD%CCOMMENT),IRESP)
+    END IF
+    IF (GALLOC) DEALLOCATE(ZFIELDP)
+    KRESP = IRESP
+  END SUBROUTINE IO_WRITE_FIELD_BYFIELD_X6
+
   SUBROUTINE FMWRITN0_ll(HFILEM,HRECFM,HFIPRI,HDIR,KFIELD,KGRID,&
        KLENCH,HCOMMENT,KRESP)
     USE MODD_IO_ll, ONLY : ISP,GSMONOPROC,LIOCDF4,LLFIOUT
diff --git a/src/LIB/SURCOUCHE/src/mode_netcdf.f90 b/src/LIB/SURCOUCHE/src/mode_netcdf.f90
index 8ed8874797d0b647a68233b4d5a89eb210784a80..8e327759721b03048c82b5b5e20f7c3472d99609 100644
--- a/src/LIB/SURCOUCHE/src/mode_netcdf.f90
+++ b/src/LIB/SURCOUCHE/src/mode_netcdf.f90
@@ -26,6 +26,7 @@ INTERFACE IO_WRITE_FIELD_NC4
    MODULE PROCEDURE IO_WRITE_FIELD_NC4_X0,IO_WRITE_FIELD_NC4_X1, &
                     IO_WRITE_FIELD_NC4_X2,IO_WRITE_FIELD_NC4_X3, &
                     IO_WRITE_FIELD_NC4_X4,IO_WRITE_FIELD_NC4_X5, &
+                    IO_WRITE_FIELD_NC4_X6,                       &
                     IO_WRITE_FIELD_NC4_N0,IO_WRITE_FIELD_NC4_N1, &
                     IO_WRITE_FIELD_NC4_N2,IO_WRITE_FIELD_NC4_N3, &
                     IO_WRITE_FIELD_NC4_C0,IO_WRITE_FIELD_NC4_C1, &
@@ -1108,6 +1109,65 @@ IF (status /= NF90_NOERR) CALL HANDLE_ERR(status,__LINE__,'NCWRITX6[NF90_PUT_VAR
 KRESP = IRESP
 END SUBROUTINE NCWRITX6
 
+SUBROUTINE IO_WRITE_FIELD_NC4_X6(TPFILE,TPFIELD,PZCDF,PFIELD,KRESP)
+!
+TYPE(TFILEDATA),             INTENT(IN) :: TPFILE
+TYPE(TFIELDDATA),            INTENT(IN) :: TPFIELD
+TYPE(IOCDF), POINTER                    :: PZCDF
+REAL,DIMENSION(:,:,:,:,:,:), INTENT(IN) :: PFIELD   ! array containing the data field
+INTEGER,                     INTENT(OUT):: KRESP
+!
+INTEGER(KIND=IDCDF_KIND) :: STATUS
+INTEGER(KIND=IDCDF_KIND) :: INCID
+CHARACTER(LEN=LEN(TPFIELD%CMNHNAME)) :: YVARNAME
+INTEGER(KIND=IDCDF_KIND) :: IVARID
+INTEGER(KIND=IDCDF_KIND), DIMENSION(SIZE(SHAPE(PFIELD))) :: IVDIMS
+INTEGER                  :: IRESP
+!
+!
+CALL PRINT_MSG(NVERB_DEBUG,'IO','IO_WRITE_FIELD_NC4_X6','writing '//TRIM(TPFIELD%CMNHNAME))
+!
+IRESP = 0
+! Get the Netcdf file ID
+INCID = TPFILE%NNCID
+
+CALL CLEANMNHNAME(TPFIELD%CMNHNAME,YVARNAME)
+
+! The variable should not already exist but who knows ?
+STATUS = NF90_INQ_VARID(INCID, YVARNAME, IVARID)
+IF (STATUS /= NF90_NOERR) THEN
+   IF (SIZE(PFIELD)==0) THEN
+     CALL PRINT_MSG(NVERB_INFO,'IO','IO_WRITE_FIELD_NC4_X6','ignoring variable with a zero size ('//TRIM(YVARNAME)//')')
+     RETURN
+   END IF
+
+   ! Get the netcdf dimensions
+   CALL FILLVDIMS(PZCDF, INT(SHAPE(PFIELD),KIND=IDCDF_KIND), TPFIELD%CDIR, IVDIMS)
+
+   ! Define the variable 
+   IF (TPFILE%LNCREDUCE_FLOAT_PRECISION) THEN
+     STATUS = NF90_DEF_VAR(INCID, YVARNAME, NF90_FLOAT,  IVDIMS, IVARID)
+   ELSE
+     STATUS = NF90_DEF_VAR(INCID, YVARNAME, NF90_DOUBLE, IVDIMS, IVARID)
+   END IF
+   ! Add compression if asked for
+   IF (TPFILE%LNCCOMPRESS) THEN
+     STATUS = NF90_DEF_VAR_DEFLATE(INCID, IVARID, SHUFFLE, DEFLATE, TPFILE%NNCCOMPRESS_LEVEL)
+     IF (status /= NF90_NOERR) CALL HANDLE_ERR(status,__LINE__,'IO_WRITE_FIELD_NC4_X6[NF90_DEF_VAR_DEFLATE]')
+   END IF
+   IF (status /= NF90_NOERR) CALL HANDLE_ERR(status,__LINE__,'IO_WRITE_FIELD_NC4_X6[NF90_DEF_VAR]')
+   CALL IO_WRITE_FIELD_ATTR_NC4(TPFIELD,INCID,IVARID)
+ELSE
+   CALL PRINT_MSG(NVERB_WARNING,'IO','IO_WRITE_FIELD_NC4_X6',TRIM(YVARNAME)//' already defined')
+END IF
+
+! Write the data
+STATUS = NF90_PUT_VAR(INCID, IVARID, PFIELD)
+IF (status /= NF90_NOERR) CALL HANDLE_ERR(status,__LINE__,'IO_WRITE_FIELD_NC4_X6[NF90_PUT_VAR] '//TRIM(TPFIELD%CMNHNAME),IRESP)
+ 
+KRESP = IRESP
+END SUBROUTINE IO_WRITE_FIELD_NC4_X6
+
 SUBROUTINE NCWRITN0(PZCDF, HVARNAME, HDIR, KFIELD, TPFMH, KRESP)
 USE MODD_FM, ONLY : FMHEADER
 USE MODD_PARAMETERS_ll,  ONLY : JPHEXT, JPVEXT