diff --git a/cat/dat/GUI.cfg b/cat/dat/GUI.cfg
index 2c23b42c8cb3191277f65bce73b440b843cc0941..3f8dfc1b5301c8dfd445a27f3e245aad22ca77bc 100644
--- a/cat/dat/GUI.cfg
+++ b/cat/dat/GUI.cfg
@@ -1,5 +1,5 @@
 Hamburg GUI Config File Version 16
-Screen: 1920x1080
+Screen: 2560x1418
 
 WinRows = 3
 WinCols = 3
@@ -8,22 +8,22 @@ WinCols = 3
 Array:GQ
 Plot:ISOREC
 Palette:AUTO
-Title:Vorticit
-Geometry: 1000 1000   65   28
+Title:Vorticity
+Geometry: 1000 1000    1    0
 
 [Window 01]
-Array:SPAN
-Plot:ISOSH
-Palette:AMPLI
-Title:Spherical Harmonics Ps
-Inactive:  853  367  853   -1
+Array:GXM
+Plot:LINE
+Palette:AUTO
+Title:GXM
+Geometry:  853  367  853   -1
 
 [Window 02]
-Array:CST
-Plot:ISOCS
-Palette:T
-Title:Temperature [C]
-Inactive:  853  367 1706   -1
+Array:QC
+Plot:ISOAMP
+Palette:AMPLI
+Title:QC
+Geometry:  853  367 1706   -1
 
 [Window 03]
 Array:GP
@@ -72,7 +72,7 @@ Title:Tables
 Inactive:  853  367 1706  779
 
 [Control Window]
-Geometry:  920  122 1107  678
+Geometry:  920  122  820 1171
 
 # Scalar attributes for timeseries and table window
 
@@ -109,16 +109,16 @@ Scale:
 # Parameter attributes for change menu
 
 [Parameter 00]
-ParName:DISP
-ParInc:    0.0100
-ParMin:    0.0000
-ParMax:    1.0000
+ParName:NGUI
+ParInc:    1.0000
+ParMin:    1.0000
+ParMax: 1000.0000
 
 [Parameter 01]
-ParName:DTEP
-ParInc:    5.0000
-ParMin:  -95.0000
-ParMax:  100.0000
+ParName:QMAX
+ParInc:    1.0000
+ParMin:    0.0000
+ParMax: 1000.0000
 
 [Parameter 02]
 ParName:DTNS
diff --git a/cat/dat/GUI_a.cfg b/cat/dat/GUI_a.cfg
index 2c23b42c8cb3191277f65bce73b440b843cc0941..3f8dfc1b5301c8dfd445a27f3e245aad22ca77bc 100644
--- a/cat/dat/GUI_a.cfg
+++ b/cat/dat/GUI_a.cfg
@@ -1,5 +1,5 @@
 Hamburg GUI Config File Version 16
-Screen: 1920x1080
+Screen: 2560x1418
 
 WinRows = 3
 WinCols = 3
@@ -8,22 +8,22 @@ WinCols = 3
 Array:GQ
 Plot:ISOREC
 Palette:AUTO
-Title:Vorticit
-Geometry: 1000 1000   65   28
+Title:Vorticity
+Geometry: 1000 1000    1    0
 
 [Window 01]
-Array:SPAN
-Plot:ISOSH
-Palette:AMPLI
-Title:Spherical Harmonics Ps
-Inactive:  853  367  853   -1
+Array:GXM
+Plot:LINE
+Palette:AUTO
+Title:GXM
+Geometry:  853  367  853   -1
 
 [Window 02]
-Array:CST
-Plot:ISOCS
-Palette:T
-Title:Temperature [C]
-Inactive:  853  367 1706   -1
+Array:QC
+Plot:ISOAMP
+Palette:AMPLI
+Title:QC
+Geometry:  853  367 1706   -1
 
 [Window 03]
 Array:GP
@@ -72,7 +72,7 @@ Title:Tables
 Inactive:  853  367 1706  779
 
 [Control Window]
-Geometry:  920  122 1107  678
+Geometry:  920  122  820 1171
 
 # Scalar attributes for timeseries and table window
 
@@ -109,16 +109,16 @@ Scale:
 # Parameter attributes for change menu
 
 [Parameter 00]
-ParName:DISP
-ParInc:    0.0100
-ParMin:    0.0000
-ParMax:    1.0000
+ParName:NGUI
+ParInc:    1.0000
+ParMin:    1.0000
+ParMax: 1000.0000
 
 [Parameter 01]
-ParName:DTEP
-ParInc:    5.0000
-ParMin:  -95.0000
-ParMax:  100.0000
+ParName:QMAX
+ParInc:    1.0000
+ParMin:    0.0000
+ParMax: 1000.0000
 
 [Parameter 02]
 ParName:DTNS
diff --git a/cat/src/cat.f90 b/cat/src/cat.f90
index 1b369ac78159f3ad7f57059676b5682634b058c3..5465ee077b05be98886a8fa11172f25913ce44dd 100644
--- a/cat/src/cat.f90
+++ b/cat/src/cat.f90
@@ -399,6 +399,7 @@ real(8), allocatable :: fuv    (:,:) ! u*v     [m^2/s^2]
 
 !--- basic model variables (format used for time propagation)
 complex(8), allocatable :: cq(:,:)     ! vorticity
+complex(4), allocatable :: c4(:,:)     ! vorticity
 
 complex(8), allocatable :: cjac0(:,:)  ! Jacobian at time  0
 complex(8), allocatable :: cjac1(:,:)  ! Jacobian at time -1
@@ -482,6 +483,8 @@ real(8), allocatable :: gvym(:)   ! mean y-velocity allong y-dir [m/s]
 real(4), allocatable :: gguixm(:) ! single precision mean in x-dir for gui 
 real(4), allocatable :: gguiym(:) ! single precision mean in y-dir for gui 
 
+real(4), allocatable :: ggxm(:,:) ! single precision mean in y-dir for gui 
+
 end module catmod
 
 
@@ -804,6 +807,8 @@ allocate(kxky  (0:nkx,0:nfy))  ; kxky  (:,:)  = 0.0 ! utility for Jacobian 3
 allocate(cli(0:nkx,0:nfy))  ; cli(:,:)   = (0.0,0.0) ! linear time propagator 
 
 allocate(cq(0:nkx,0:nfy))   ; cq(:,:)    = (0.0,0.0) ! vorticity
+allocate(c4(0:nkx,0:nfy))   ; c4(:,:)    = (0.0,0.0) ! vorticity
+
 allocate(cqfrc(0:nkx,0:nfy)); cqfrc(:,:) = (0.0,0.0) ! ext. vorticity force
 allocate(cjac0(0:nkx,0:nfy)); cjac0(:,:) = (0.0,0.0) ! Jacobian at time level  0
 allocate(cjac1(0:nkx,0:nfy)); cjac1(:,:) = (0.0,0.0) ! Jacobian at time level -1
@@ -1483,11 +1488,15 @@ if (npost > 0) then
    gguixm(:) = gpsixm(:) ! double -> single
    call guiput("GPSIXM" // char(0), gguixm, ngy, 1, 1) ! psi 
 
-   gguixm(:) = guxm(:) ! double -> single
-   call guiput("GUXM" // char(0), gguixm, ngy, 1, 1)   ! u
+!  gguixm(:) = guxm(:) ! double -> single
+!  call guiput("GUXM" // char(0), gguixm, ngy, 1, 1)   ! u
+
+!  gguixm(:) = gvxm(:) ! double -> single
+!  call guiput("GVXM" // char(0), gguixm, ngy, 1, 1)   ! v
 
-   gguixm(:) = gvxm(:) ! double -> single
-   call guiput("GVXM" // char(0), gguixm, ngy, 1, 1)   ! v
+   ggxm(:,1) = guxm(:)
+   ggxm(:,2) = gvxm(:)
+   call guiput("GXM" // char(0), ggxm, ngy, 2, 1)   ! u & v
 
 
    !--- meridional means
@@ -1503,6 +1512,9 @@ if (npost > 0) then
    gguiym(:) = gvym(:) ! double -> single
    call guiput("GVYM" // char(0), gguiym, 1, ngx, 1)   ! v
 
+   c4(:,:) = cq(:,:)
+   call guiput("CQ" // char(0), c4, nkx+1, nfy+1, 2)   ! v
+
 endif
 
 return
@@ -1661,6 +1673,8 @@ allocate(gvym(1:ngx))   ; gvym(:)   = 0.0 ! v-mean in y-dir [m/s]
 allocate(gguixm(1:ngy)) ; gguixm(:) = 0.0 ! single precision mean in x-dir  
 allocate(gguiym(1:ngx)) ; gguiym(:) = 0.0 ! single precision mean in y-dir  
 
+allocate(ggxm(1:ngx,4)) ; ggxm(:,:) = 0.0 ! single precision mean in x-dir  
+
 return
 end subroutine init_post