Problems with ESMF_regrid

Dear all,

I am using ESMF_regrid to regrid a WRF.nc file to destination file: NARR.nc. I am using the ESMF_regrid_16.ncl example.

The projection of both the WRF and NARR files are lambert conformal. I think they are both curvilinear.

However I was not successful

(0) ESMF_regrid_gen_weights: output from 'ESMF_RegridWeightGen':
(0) Starting weight generation with these inputs:
(1) Source File: source_grid_file.nc
(2) Destination File: destination_grid_file.nc
(3) Weight File: weights_file.nc
(4) Source File is in SCRIP format
(5) Source Grid is a regional grid
(6) Source Grid is a logically rectangular grid
(7) Destination File is in SCRIP format
(8) Destination Grid is a regional grid
(9) Destination Grid is a logically rectangular grid
(10) Regrid Method: conserve
(11) Pole option: NONE
(12) Ignore unmapped destination points
(13)
(14) ERROR: Problem on processor 0 . Please see the PET*.RegridWeightGen.Log files for a traceback.
(0) --------------------------------------------------
(0) ESMF_regrid_gen_weights: 'ESMF_RegridWeightGen' was not successful.

I opened the PET*.RegridWeightGen.Log files and have these statements:

20120912 040805.390 INFO PET0 Running with ESMF Version 5.2.0rp2
20120912 040806.638 ERROR PET0 ESMCI_Regrid_F.C:146 c_esmc_regrid_create() Invalid argument - Dst contains a concave cell
20120912 040806.638 ERROR PET0 ESMCI_Regrid_F.C:282 c_esmc_regrid_create() Invalid argument Internal subroutine call returned Error
20120912 040806.638 ERROR PET0 ESMF_Regrid.F90:383 ESMF_RegridStore Invalid argument - Internal subroutine call returned Error
20120912 040806.638 ERROR PET0 ESMF_FieldRegrid.F90:771 ESMF_FieldRegridStoreNX Invalid argument - Internal subroutine call returned Error

Jane Okalebo
PhD student
HPRCC, School of Natural Resources
University of Nebraska-Lincoln
249 Hardin Hall
3310 Holdrege,
Lincoln, Nebraska 68583-0749 U.S.A.

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Received on Wed Sep 12 03:19:33 2012