WRF Var Version 3.0 : Known Problems and Fixes

Known Problems in Version 3.0.1 (details)

Compile Error using PGI 7.1+ (posted 6/10/08)

Problem: Compile errors like this one occur when using PGI 7.1 or later: "PGF90-S-0000-Internal compiler error. string_expr_length: ast not string op".

Solution: Changes added in the latest WRF Var tar file to modify the following files:
WRFDA/var/da/da_main/da_med_initialdata_input.inc
WRFDA/var/da/da_obs_io/da_read_obs_radar.inc
WRFDA/var/da/da_obs_io/da_read_omb_tmp.inc
WRFDA/var/da/da_obs_io/da_read_rand_unit.inc
WRFDA/var/da/da_obs_io/da_read_y_unit.inc
WRFDA/var/da/da_obs_io/da_scan_obs_radar.inc
WRFDA/var/da/da_ssmi/da_read_obs_ssmi.inc
WRFDA/var/da/da_ssmi/da_scan_obs_ssmi.inc
WRFDA/var/da/da_tools/da_openfile.inc
WRFDA/var/da/da_tracing/da_trace.inc
WRFDA/var/da/da_tracing/da_trace_entry.inc
WRFDA/var/da/da_tracing/da_trace_exit.inc
WRFDA/var/da/da_vtox_transforms/da_vertical_transform.inc

Compile Problem for Program obsproc (Posted 6/10/08)

Problem: Compile fails on program obsproc.

Solution: Makefile updated in the new tar file: WRFDA/var/obsproc/lib/ncep/Makefile.

Compile Problem On IBMs (Posted 6/10/08)

Problem: Compile time long on IBMs using xlf.

Solution: Check your configure.var file and reduce optimization level from O3 to O2. This has also been included in the updated tar file.