diff --git a/cime_config/config_component.xml b/cime_config/config_component.xml
index 00c77ae68..a1f37968b 100644
--- a/cime_config/config_component.xml
+++ b/cime_config/config_component.xml
@@ -306,6 +306,17 @@
User mods to apply to specific compset matches.
+
+ char
+
+ /glade/campaign/cesm/community/amwg/sima_baselines
+ run_component_cam
+ env_run.xml
+
+ Path to directory where CAM-SIMA regression testing files are stored.
+
+
+
char
diff --git a/cime_config/testdefs/testmods_dirs/cam/outfrq_beljaars_derecho/user_nl_cam b/cime_config/testdefs/testmods_dirs/cam/outfrq_beljaars_derecho/user_nl_cam
index e6a2a6273..fe8af8205 100644
--- a/cime_config/testdefs/testmods_dirs/cam/outfrq_beljaars_derecho/user_nl_cam
+++ b/cime_config/testdefs/testmods_dirs/cam/outfrq_beljaars_derecho/user_nl_cam
@@ -1,6 +1,6 @@
! CAM6 snapshot:
-ncdata = '/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_ne3pg3_fhist_beljaars_snapshot_derecho_gnu_before_c20260614.nc'
-ncdata_check = '/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_ne3pg3_fhist_beljaars_snapshot_derecho_gnu_after_c20260614.nc'
+ncdata = '${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_ne3pg3_fhist_beljaars_snapshot_derecho_gnu_before_c20260614.nc'
+ncdata_check = '${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_ne3pg3_fhist_beljaars_snapshot_derecho_gnu_after_c20260614.nc'
pver = 32
! tolerances for testing
diff --git a/cime_config/testdefs/testmods_dirs/cam/outfrq_dme_adjust_derecho/user_nl_cam b/cime_config/testdefs/testmods_dirs/cam/outfrq_dme_adjust_derecho/user_nl_cam
index 41b23f29d..4d03735a3 100644
--- a/cime_config/testdefs/testmods_dirs/cam/outfrq_dme_adjust_derecho/user_nl_cam
+++ b/cime_config/testdefs/testmods_dirs/cam/outfrq_dme_adjust_derecho/user_nl_cam
@@ -1,5 +1,8 @@
-ncdata='/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_ne3pg3_dme_adjust_snapshot_derecho_gnu_before_c20250416.nc'
-ncdata_check='/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_ne3pg3_dme_adjust_snapshot_derecho_gnu_after_c20250416.nc'
+ncdata='${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_ne3pg3_dme_adjust_snapshot_derecho_gnu_before_c20250416.nc'
+ncdata_check='${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_ne3pg3_dme_adjust_snapshot_derecho_gnu_after_c20250416.nc'
+ncdata_check_err = .true.
+min_difference = 2e-15
+
debug_output=0
pver=32
hist_add_inst_fields;h2: Q,PS
diff --git a/cime_config/testdefs/testmods_dirs/cam/outfrq_gw_cam4_derecho/user_nl_cam b/cime_config/testdefs/testmods_dirs/cam/outfrq_gw_cam4_derecho/user_nl_cam
index 21f9edd39..bc3cef4aa 100644
--- a/cime_config/testdefs/testmods_dirs/cam/outfrq_gw_cam4_derecho/user_nl_cam
+++ b/cime_config/testdefs/testmods_dirs/cam/outfrq_gw_cam4_derecho/user_nl_cam
@@ -1,7 +1,7 @@
! cam4 snapshot
pver = 26
-ncdata = '/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_ne3pg3_fhistc4_gw_drag_cam4_oro_snapshot_derecho_gnu_before_c20250826.nc'
-ncdata_check = '/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_ne3pg3_fhistc4_gw_drag_cam4_oro_snapshot_derecho_gnu_after_c20250826.nc'
+ncdata = '${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_ne3pg3_fhistc4_gw_drag_cam4_oro_snapshot_derecho_gnu_before_c20250826.nc'
+ncdata_check = '${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_ne3pg3_fhistc4_gw_drag_cam4_oro_snapshot_derecho_gnu_after_c20250826.nc'
debug_output = 0
diff --git a/cime_config/testdefs/testmods_dirs/cam/outfrq_gw_cam7_derecho/user_nl_cam b/cime_config/testdefs/testmods_dirs/cam/outfrq_gw_cam7_derecho/user_nl_cam
index a247feea5..7e6aa6996 100644
--- a/cime_config/testdefs/testmods_dirs/cam/outfrq_gw_cam7_derecho/user_nl_cam
+++ b/cime_config/testdefs/testmods_dirs/cam/outfrq_gw_cam7_derecho/user_nl_cam
@@ -1,7 +1,7 @@
! fhistc_ltso snapshot
pver = 58
-ncdata = '/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_ne3pg3_fhistc_ltso_gw_drag_cam7se_snapshot_derecho_gnu_before_c20260105.nc'
-ncdata_check = '/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_ne3pg3_fhistc_ltso_gw_drag_cam7se_snapshot_derecho_gnu_after_c20260105.nc'
+ncdata = '${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_ne3pg3_fhistc_ltso_gw_drag_cam7se_snapshot_derecho_gnu_before_c20260105.nc'
+ncdata_check = '${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_ne3pg3_fhistc_ltso_gw_drag_cam7se_snapshot_derecho_gnu_after_c20260105.nc'
debug_output = 0
diff --git a/cime_config/testdefs/testmods_dirs/cam/outfrq_hack_shallow_derecho/user_nl_cam b/cime_config/testdefs/testmods_dirs/cam/outfrq_hack_shallow_derecho/user_nl_cam
index 3f9477e2b..f0f5b0eb6 100644
--- a/cime_config/testdefs/testmods_dirs/cam/outfrq_hack_shallow_derecho/user_nl_cam
+++ b/cime_config/testdefs/testmods_dirs/cam/outfrq_hack_shallow_derecho/user_nl_cam
@@ -1,6 +1,8 @@
! these are QPC4 snapshots and require custom physical constant definitions.
-ncdata = '/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_ne5np4_hack_convect_shallow_snapshot_derecho_gnu_before_c20250220.nc'
-ncdata_check = '/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_ne5np4_hack_convect_shallow_snapshot_derecho_gnu_after_c20250220.nc'
+ncdata = '${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_ne5np4_hack_convect_shallow_snapshot_derecho_gnu_before_c20250220.nc'
+ncdata_check = '${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_ne5np4_hack_convect_shallow_snapshot_derecho_gnu_after_c20250220.nc'
+ncdata_check_err = .true.
+min_difference = 2e-15
pver = 26
user_defined_cpwv = 1.846e3
diff --git a/cime_config/testdefs/testmods_dirs/cam/outfrq_hb_vdiff_derecho/user_nl_cam b/cime_config/testdefs/testmods_dirs/cam/outfrq_hb_vdiff_derecho/user_nl_cam
index 6831304d1..64d40a8c1 100644
--- a/cime_config/testdefs/testmods_dirs/cam/outfrq_hb_vdiff_derecho/user_nl_cam
+++ b/cime_config/testdefs/testmods_dirs/cam/outfrq_hb_vdiff_derecho/user_nl_cam
@@ -1,6 +1,6 @@
! these are FHIST_C4 snapshots
-ncdata = '/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_ne3pg3_fhistc4_vertical_diffusion_hb_snapshot_derecho_gnu_before_c20260609.nc'
-ncdata_check = '/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_ne3pg3_fhistc4_vertical_diffusion_hb_snapshot_derecho_gnu_after_c20260609.nc'
+ncdata = '${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_ne3pg3_fhistc4_vertical_diffusion_hb_snapshot_derecho_gnu_before_c20260609.nc'
+ncdata_check = '${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_ne3pg3_fhistc4_vertical_diffusion_hb_snapshot_derecho_gnu_after_c20260609.nc'
! tolerances for testing
ncdata_check_err = .true.
diff --git a/cime_config/testdefs/testmods_dirs/cam/outfrq_held_suarez_derecho/user_nl_cam b/cime_config/testdefs/testmods_dirs/cam/outfrq_held_suarez_derecho/user_nl_cam
index 17605757d..1634d92a9 100644
--- a/cime_config/testdefs/testmods_dirs/cam/outfrq_held_suarez_derecho/user_nl_cam
+++ b/cime_config/testdefs/testmods_dirs/cam/outfrq_held_suarez_derecho/user_nl_cam
@@ -1,5 +1,7 @@
-ncdata=/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_ne3pg3_held_suarez_snapshot_derecho_gnu_cam_before_c20240412.nc
-ncdata_check=/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_ne3pg3_held_suarez_snapshot_derecho_gnu_cam_after_c20240412.nc
+ncdata='${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_ne3pg3_held_suarez_snapshot_derecho_gnu_cam_before_c20240412.nc'
+ncdata_check='${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_ne3pg3_held_suarez_snapshot_derecho_gnu_cam_after_c20240412.nc'
+ncdata_check_err=.true.
+
debug_output=0
pver=30
hist_add_inst_fields;h2: ZM, T
diff --git a/cime_config/testdefs/testmods_dirs/cam/outfrq_kessler_derecho/user_nl_cam b/cime_config/testdefs/testmods_dirs/cam/outfrq_kessler_derecho/user_nl_cam
index c5ea67b46..ca2df2b76 100644
--- a/cime_config/testdefs/testmods_dirs/cam/outfrq_kessler_derecho/user_nl_cam
+++ b/cime_config/testdefs/testmods_dirs/cam/outfrq_kessler_derecho/user_nl_cam
@@ -1,5 +1,5 @@
-ncdata=/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_ne3pg3_kessler_snapshot_derecho_gnu_before_c20240412.nc
-ncdata_check=/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_ne3pg3_kessler_snapshot_derecho_gnu_after_c20240412.nc
+ncdata='${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_ne3pg3_kessler_snapshot_derecho_gnu_before_c20240412.nc'
+ncdata_check='${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_ne3pg3_kessler_snapshot_derecho_gnu_after_c20240412.nc'
ncdata_check_err=.true.
debug_output=0
pver=30
diff --git a/cime_config/testdefs/testmods_dirs/cam/outfrq_rk_stratiform_derecho/user_nl_cam b/cime_config/testdefs/testmods_dirs/cam/outfrq_rk_stratiform_derecho/user_nl_cam
index 7919adaf0..731d6c368 100644
--- a/cime_config/testdefs/testmods_dirs/cam/outfrq_rk_stratiform_derecho/user_nl_cam
+++ b/cime_config/testdefs/testmods_dirs/cam/outfrq_rk_stratiform_derecho/user_nl_cam
@@ -1,6 +1,6 @@
! these are FHIST_C4 snapshots.
-ncdata = '/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_ne3pg3_fhistc4_rasch_kristjansson_rk_stratiform_snapshot_derecho_gnu_before_c20250716.nc'
-ncdata_check = '/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_ne3pg3_fhistc4_rasch_kristjansson_rk_stratiform_snapshot_derecho_gnu_after_c20250716.nc'
+ncdata = '${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_ne3pg3_fhistc4_rasch_kristjansson_rk_stratiform_snapshot_derecho_gnu_before_c20250716.nc'
+ncdata_check = '${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_ne3pg3_fhistc4_rasch_kristjansson_rk_stratiform_snapshot_derecho_gnu_after_c20250716.nc'
! tolerances for testing
ncdata_check_err = .true.
diff --git a/cime_config/testdefs/testmods_dirs/cam/outfrq_rrtmgp_cirrus_gpu/user_nl_cam b/cime_config/testdefs/testmods_dirs/cam/outfrq_rrtmgp_cirrus_gpu/user_nl_cam
index f1be88f35..7b7253ee2 100644
--- a/cime_config/testdefs/testmods_dirs/cam/outfrq_rrtmgp_cirrus_gpu/user_nl_cam
+++ b/cime_config/testdefs/testmods_dirs/cam/outfrq_rrtmgp_cirrus_gpu/user_nl_cam
@@ -1,6 +1,6 @@
! these are CPU FHISTC_LTso snapshots
-ncdata = '/glade/sima_baselines/cam_sima_test_snapshots/cam_ne3pg3_fhistc_ltso_rrtmgp_derecho_gnu_before_c20251013.nc'
-ncdata_check = '/glade/sima_baselines/cam_sima_test_snapshots/cam_ne3pg3_fhistc_ltso_rrtmgp_derecho_gnu_after_c20251013.nc'
+ncdata = '${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_ne3pg3_fhistc_ltso_rrtmgp_derecho_gnu_before_c20251013.nc'
+ncdata_check = '${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_ne3pg3_fhistc_ltso_rrtmgp_derecho_gnu_after_c20251013.nc'
! tolerances for testing (currently have high tolerance due to CPU snapshots)
ncdata_check_err = .true.
diff --git a/cime_config/testdefs/testmods_dirs/cam/outfrq_rrtmgp_derecho/user_nl_cam b/cime_config/testdefs/testmods_dirs/cam/outfrq_rrtmgp_derecho/user_nl_cam
index bfe753b90..8521444e5 100644
--- a/cime_config/testdefs/testmods_dirs/cam/outfrq_rrtmgp_derecho/user_nl_cam
+++ b/cime_config/testdefs/testmods_dirs/cam/outfrq_rrtmgp_derecho/user_nl_cam
@@ -1,6 +1,6 @@
! these are FHISTC_LTso snapshots
-ncdata = '/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_ne3pg3_fhistc_ltso_rrtmgp_derecho_gnu_before_c20251013.nc'
-ncdata_check = '/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_ne3pg3_fhistc_ltso_rrtmgp_derecho_gnu_after_c20251013.nc'
+ncdata = '${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_ne3pg3_fhistc_ltso_rrtmgp_derecho_gnu_before_c20251013.nc'
+ncdata_check = '${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_ne3pg3_fhistc_ltso_rrtmgp_derecho_gnu_after_c20251013.nc'
! tolerances for testing
ncdata_check_err = .true.
diff --git a/cime_config/testdefs/testmods_dirs/cam/outfrq_rrtmgp_derecho_gpu/user_nl_cam b/cime_config/testdefs/testmods_dirs/cam/outfrq_rrtmgp_derecho_gpu/user_nl_cam
index 000dfd9de..7b7253ee2 100644
--- a/cime_config/testdefs/testmods_dirs/cam/outfrq_rrtmgp_derecho_gpu/user_nl_cam
+++ b/cime_config/testdefs/testmods_dirs/cam/outfrq_rrtmgp_derecho_gpu/user_nl_cam
@@ -1,6 +1,6 @@
! these are CPU FHISTC_LTso snapshots
-ncdata = '/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_ne3pg3_fhistc_ltso_rrtmgp_derecho_gnu_before_c20251013.nc'
-ncdata_check = '/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_ne3pg3_fhistc_ltso_rrtmgp_derecho_gnu_after_c20251013.nc'
+ncdata = '${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_ne3pg3_fhistc_ltso_rrtmgp_derecho_gnu_before_c20251013.nc'
+ncdata_check = '${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_ne3pg3_fhistc_ltso_rrtmgp_derecho_gnu_after_c20251013.nc'
! tolerances for testing (currently have high tolerance due to CPU snapshots)
ncdata_check_err = .true.
diff --git a/cime_config/testdefs/testmods_dirs/cam/outfrq_tj2016_after_coupler_derecho/user_nl_cam b/cime_config/testdefs/testmods_dirs/cam/outfrq_tj2016_after_coupler_derecho/user_nl_cam
index c46f586ad..1be470bcd 100644
--- a/cime_config/testdefs/testmods_dirs/cam/outfrq_tj2016_after_coupler_derecho/user_nl_cam
+++ b/cime_config/testdefs/testmods_dirs/cam/outfrq_tj2016_after_coupler_derecho/user_nl_cam
@@ -1,5 +1,8 @@
-ncdata=/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_tj2016_sfc_pbl_hs_ne3pg3mg37_derecho_gnu_before.nc
-ncdata_check=/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_tj2016_sfc_pbl_hs_ne3pg3mg37_derecho_gnu_after.nc
+ncdata='${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_tj2016_sfc_pbl_hs_ne3pg3mg37_derecho_gnu_before.nc'
+ncdata_check='${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_tj2016_sfc_pbl_hs_ne3pg3mg37_derecho_gnu_after.nc'
+ncdata_check_err=.true.
+min_difference=2e-12 !Note that this is higher than normal.
+
debug_output=0
pver=30
hist_add_inst_fields;h2: Q, T
diff --git a/cime_config/testdefs/testmods_dirs/cam/outfrq_tj2016_before_coupler_derecho/user_nl_cam b/cime_config/testdefs/testmods_dirs/cam/outfrq_tj2016_before_coupler_derecho/user_nl_cam
index b2672dbfb..17ee08d76 100644
--- a/cime_config/testdefs/testmods_dirs/cam/outfrq_tj2016_before_coupler_derecho/user_nl_cam
+++ b/cime_config/testdefs/testmods_dirs/cam/outfrq_tj2016_before_coupler_derecho/user_nl_cam
@@ -1,6 +1,8 @@
-ncdata=/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_tj2016_precip_tend_ne3pg3mg37_derecho_gnu_before.nc
-ncdata_check=/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_tj2016_precip_tend_ne3pg3mg37_derecho_gnu_after.nc
+ncdata='${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_tj2016_precip_tend_ne3pg3mg37_derecho_gnu_before.nc'
+ncdata_check='${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_tj2016_precip_tend_ne3pg3mg37_derecho_gnu_after.nc'
ncdata_check_err=.true.
+min_difference=2e-15
+
debug_output=0
pver=30
hist_add_inst_fields;h2: Q, T
diff --git a/cime_config/testdefs/testmods_dirs/cam/outfrq_trcdata_bam_derecho/user_nl_cam b/cime_config/testdefs/testmods_dirs/cam/outfrq_trcdata_bam_derecho/user_nl_cam
index c45aa9428..2a9ab0753 100644
--- a/cime_config/testdefs/testmods_dirs/cam/outfrq_trcdata_bam_derecho/user_nl_cam
+++ b/cime_config/testdefs/testmods_dirs/cam/outfrq_trcdata_bam_derecho/user_nl_cam
@@ -15,8 +15,8 @@
! the test will pass iff. the tracer_data utility in CAM-SIMA and the prescribed_ozone/aerosols schemes
! can populate the prescribed fields bit-for-bit compared to the original snapshot file.
-ncdata = '/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_ne3pg3_fhistc4_tracer_data_0xprescribed-ozone-aero-volcaero_from_energy_fixer_derecho_gnu_before_c20260312.nc'
-ncdata_check = '/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_ne3pg3_fhistc4_tracer_data_0xprescribed-ozone-aero-volcaero_from_energy_fixer_derecho_gnu_after_c20260312.nc'
+ncdata = '${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_ne3pg3_fhistc4_tracer_data_0xprescribed-ozone-aero-volcaero_from_energy_fixer_derecho_gnu_before_c20260312.nc'
+ncdata_check = '${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_ne3pg3_fhistc4_tracer_data_0xprescribed-ozone-aero-volcaero_from_energy_fixer_derecho_gnu_after_c20260312.nc'
! tolerances for testing
ncdata_check_err = .true.
diff --git a/cime_config/testdefs/testmods_dirs/cam/outfrq_uw_vdiff_derecho/user_nl_cam b/cime_config/testdefs/testmods_dirs/cam/outfrq_uw_vdiff_derecho/user_nl_cam
index cfecff331..42ec63efb 100644
--- a/cime_config/testdefs/testmods_dirs/cam/outfrq_uw_vdiff_derecho/user_nl_cam
+++ b/cime_config/testdefs/testmods_dirs/cam/outfrq_uw_vdiff_derecho/user_nl_cam
@@ -1,6 +1,6 @@
! these are FHIST_C5 snapshots
-ncdata = '/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_ne3pg3_fhist_c5_vertical_diffusion_uw_snapshot_derecho_gnu_before_c20260309.nc'
-ncdata_check = '/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_ne3pg3_fhist_c5_vertical_diffusion_uw_snapshot_derecho_gnu_after_c20260309.nc'
+ncdata = '${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_ne3pg3_fhist_c5_vertical_diffusion_uw_snapshot_derecho_gnu_before_c20260309.nc'
+ncdata_check = '${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_ne3pg3_fhist_c5_vertical_diffusion_uw_snapshot_derecho_gnu_after_c20260309.nc'
! tolerances for testing
ncdata_check_err = .true.
diff --git a/cime_config/testdefs/testmods_dirs/cam/outfrq_zm_derecho/user_nl_cam b/cime_config/testdefs/testmods_dirs/cam/outfrq_zm_derecho/user_nl_cam
index 5e5582746..44aafac97 100644
--- a/cime_config/testdefs/testmods_dirs/cam/outfrq_zm_derecho/user_nl_cam
+++ b/cime_config/testdefs/testmods_dirs/cam/outfrq_zm_derecho/user_nl_cam
@@ -1,5 +1,5 @@
-ncdata='/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_ne3pg3_ZM_snapshot_derecho_gnu_before_c20250116.nc'
-ncdata_check='/glade/campaign/cesm/community/amwg/sima_baselines/cam_sima_test_snapshots/cam_ne3pg3_ZM_snapshot_derecho_gnu_after_c20250116.nc'
+ncdata='${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_ne3pg3_ZM_snapshot_derecho_gnu_before_c20250116.nc'
+ncdata_check='${SIMA_TESTDIR}/cam_sima_test_snapshots/cam_ne3pg3_ZM_snapshot_derecho_gnu_after_c20250116.nc'
debug_output=0
pver=32
zmconv_momcd=.7D0