用ncl绘制高原那曲的K指数

Gyyhy

求助求助！ 用ncl绘制高原那曲的K指数，已经改了wrf经纬度还是说有问题，烦请各位大神看下怎么回事
显示

fatal:Dimension (west_east) of (tc_plane) does not have an associated coordinate variable
fatal:["Execute.c":8640]:Execute: Error occurred at or near line 54 in file /home/gyy/model/naqu/20150812xin/K指数/outK

以下为程序

load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
load "$NCARG_ROOT/lib/ncarg/nclscripts/wrf/WRFUserARW.ncl"
begin
   a = addfile("/home/gyy/model/naqu/20150812xin/cams/wrfout_d03_2015-08-12_12:00:00.nc","r")

type = "x11"
wks = gsn_open_wks(type,"/home/gyy/model/naqu/20150812xin/K指数/outkk")


times= wrf_user_list_times(a); get times in the file
ntimes = dimsizes(times)   ; number of times in the file

lat = a->XLAT(0, :, 0)
lon = a->XLONG(0, 0, :)
lat2d = a->XLAT(0, :, :)
lon2d = a->XLONG(0, :, :)

  tc = wrf_user_getvar(a,"tc",-1