Lambert Conformal Grid

From: Agnes Lim Huei Ni <alim_at_nyahnyahspammersnyahnyah>
Date: Wed Aug 28 2013 - 13:21:59 MDT

Hi,

I have a grb file that contains temperature covering CONUS and part
south america.
I had set the following resources to plot it on a lambert conformal grid
      res@mpProjection = "LambertConformal"
      res@mpLambertParallel1F = 20.000
      res@mpLambertParallel2F = 40.000
      res@mpLambertMeridianF = -125.000
      res@gsnMaskLambertConformal = True

The following errors appear
(0) mask_lambert_conformal: warning: you are not authorized to specify.
(0) a maxlat that is above the equator and a minlat that is below
(0) the equator. No masking will take place.

The information in the grb file for T, latitude and longitude in the
data file are listed belowe.

Please advice.

Thanks
Agnes

Variable: anal_T
Type: float
Total Size: 479364732 bytes
             119841183 values
Number of Dimensions: 3
Dimensions and sizes: [lv_HYBL0 | 99] x [g3_x_1 | 869] x [g3_y_2 | 1393]
Coordinates:
             lv_HYBL0: [1..99]
Number Of Attributes: 13
   center : US National Weather Service - NCEP (WMC)
   long_name : Temperature
   units : K
   _FillValue : 1e+20
   coordinates : g3_lat_1 g3_lon_2
   level_indicator : 109
   gds_grid_type : 3
   parameter_table_version : 2
   parameter_number : 11
   model : North Pacific Hurricane Wave Model
   forecast_time : 0
   forecast_time_units : hours
   initial_time : 05/24/2008 (00:00)

Variable: lat2d
Type: float
Total Size: 4842068 bytes
             1210517 values
Number of Dimensions: 2
Dimensions and sizes: [g3_x_1 | 869] x [g3_y_2 | 1393]
Coordinates:
Number Of Attributes: 11
   corners : ( -8.035, -5.586509, 42.22018, 36.89176 )
   long_name : latitude
   GridType : Lambert Conformal Secant or Tangent, Conical or bipolar
   units : degrees_north
   Latin2 : 36.228
   Latin1 : 36.228
   Dy : 7920
   Dx : 8774
   Lov : -122.246
   Lo1 : -168.719
   La1 : -8.035

Variable: lon2d
Type: float
Total Size: 4842068 bytes
             1210517 values
Number of Dimensions: 2
Dimensions and sizes: [g3_x_1 | 869] x [g3_y_2 | 1393]
Coordinates:
Number Of Attributes: 11
   corners : ( -168.719, -80.83456, -45.67911, 154.7749 )
   long_name : longitude
   GridType : Lambert Conformal Secant or Tangent, Conical or bipolar
   units : degrees_east
   Latin2 : 36.228
   Latin1 : 36.228
   Dy : 7920
   Dx : 8774
   Lov : -122.246
   Lo1 : -168.719
   La1 : -8.035

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Received on Wed Aug 28 13:22:06 2013

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