wks = gsn_open_wks("x11","uvel")
;---Variable to hold plot options
res = True
res@tiMainFontHeightF = 0.02 ; change size of main title
;---Maximize plot in frame
res@gsnMaximize = True
;---Lines and labels off
res@mpMinLatF = 20
res@mpMaxLatF = 80 ; choose subregion
res@mpMinLonF = -90
res@mpMaxLonF = 0
res@sfXArray = ndtooned(lonu)
res@sfYArray = ndtooned(latu)
data1dm=ndtooned(int2flt(nz_bottom(:,:)))
res@tiMainString = "TITLE"
plot = gsn_csm_contour_map(wks,data1dm,res)