diff --git a/rose-stem/app/mesh/opt/rose-app-C896.conf b/rose-stem/app/mesh/opt/rose-app-C896.conf
new file mode 100644
index 000000000..8726cb65b
--- /dev/null
+++ b/rose-stem/app/mesh/opt/rose-app-C896.conf
@@ -0,0 +1,6 @@
+[command]
+default=mkdir -p $MESH_DIR ; mpiexec -n 1 $BIN_DIR/cubedsphere_mesh_generator mesh_generation.nml
+srun=mkdir -p $MESH_DIR ; srun --ntasks=1 $BIN_DIR/cubedsphere_mesh_generator mesh_generation.nml
+
+[namelist:cubedsphere_mesh]
+edge_cells=896
diff --git a/rose-stem/site/common/lfricinputs/tasks_lfric2um.cylc b/rose-stem/site/common/lfricinputs/tasks_lfric2um.cylc
index f8269da61..f553434cd 100644
--- a/rose-stem/site/common/lfricinputs/tasks_lfric2um.cylc
+++ b/rose-stem/site/common/lfricinputs/tasks_lfric2um.cylc
@@ -38,6 +38,26 @@
         "memory_plot_ex": true,
         "kgo_checks": "",
     }) %}
+
+{% elif task_ns.conf_name == "lfric2um-performance-C896L70_N1280L70" %}
+
+    {% do task_dict.update({
+        "opt_confs": ["performance"],
+        "resolution": "C896",
+        "mesh_name": "dynamics",
+        "source_grid_res": "C896",
+        "source_grid_levs": "70",
+        "source_grid_type": "global",
+        "target_grid_res": "N1280",
+        "target_grid_levs": "70",
+        "target_grid_type": "global",
+        "source_dump": "$BIG_DATA_DIR/start_dumps/nwp-gal9/apps1.1/nwp-gal9_N1280L70_C896L70.nc",
+        "namelist_src": "um_grid.nml",
+        "memory_plot_ex": true,
+        "kgo_checks": "",
+    }) %}
+
+
 {% elif task_ns.conf_name == "lfric2um-umlam-C48L70_N512L70" %}
 
     {% do task_dict.update({
diff --git a/rose-stem/site/common/lfricinputs/tasks_um2lfric.cylc b/rose-stem/site/common/lfricinputs/tasks_um2lfric.cylc
index 530d5061b..ecbfd76f7 100644
--- a/rose-stem/site/common/lfricinputs/tasks_um2lfric.cylc
+++ b/rose-stem/site/common/lfricinputs/tasks_um2lfric.cylc
@@ -144,6 +144,63 @@
         "kgo_checks": "",
     }) %}
 
+{% elif task_ns.conf_name == "um2lfric-nwp_gal9-N320L70_C896L70" %}
+    {% do task_dict.update({
+        "opt_confs": ["nwp_gal9"],
+        "resolution": "C896",
+        "mesh_name": "dynamics",
+        "source_grid_res": "N320",
+        "source_grid_levs": "70",
+        "source_grid_type": "global",
+        "target_grid_res": "C896",
+        "target_grid_levs": "70",
+        "target_grid_type": "global",
+        "source_dump": "$UMDIR/standard_jobs/lfricinputs/inputs/nwp_gal9_n320l70.astart",
+        "weight_gen_option": "dump-file",
+        "var_res_src": "",
+        "namelist_src": "um_grid.nml",
+        "memory_plot_ex": true,
+        "kgo_checks": "",
+    }) %}
+
+{% elif task_ns.conf_name == "um2lfric-nwp_gal9-N1280L70_C224L70" %}
+    {% do task_dict.update({
+        "opt_confs": ["nwp_gal9"],
+        "resolution": "C224",
+        "mesh_name": "dynamics",
+        "source_grid_res": "N1280",
+        "source_grid_levs": "70",
+        "source_grid_type": "global",
+        "target_grid_res": "C224",
+        "target_grid_levs": "70",
+        "target_grid_type": "global",
+        "source_dump": "$DATADIR/20210324T0000Z_glm_t+0.astart",
+        "weight_gen_option": "dump-file",
+        "var_res_src": "",
+        "namelist_src": "um_grid.nml",
+        "memory_plot_ex": true,
+        "kgo_checks": "",
+    }) %}
+
+{% elif task_ns.conf_name == "um2lfric-nwp_gal9-N1280L70_C896L70" %}
+    {% do task_dict.update({
+        "opt_confs": ["nwp_gal9"],
+        "resolution": "C896",
+        "mesh_name": "dynamics",
+        "source_grid_res": "N1280",
+        "source_grid_levs": "70",
+        "source_grid_type": "global",
+        "target_grid_res": "C896",
+        "target_grid_levs": "70",
+        "target_grid_type": "global",
+        "source_dump": "$DATADIR/20210324T0000Z_glm_t+0.astart",
+        "weight_gen_option": "dump-file",
+        "var_res_src": "",
+        "namelist_src": "um_grid.nml",
+        "memory_plot_ex": true,
+        "kgo_checks": "",
+    }) %}
+
 {% elif task_ns.conf_name == "um2lfric-protogal-N320L70_C48L70" %}
     {% do task_dict.update({
         "opt_confs": ["protogal"],
@@ -288,4 +345,4 @@
 
 {% endif %}
 
-{% do LOG.debug("Finished in site/common/lfricinputs/tasks_um2lfric.cylc") %}
\ No newline at end of file
+{% do LOG.debug("Finished in site/common/lfricinputs/tasks_um2lfric.cylc") %}
diff --git a/rose-stem/site/meto/groups/groups_lfricinputs.cylc b/rose-stem/site/meto/groups/groups_lfricinputs.cylc
index 800014946..a0a825a37 100644
--- a/rose-stem/site/meto/groups/groups_lfricinputs.cylc
+++ b/rose-stem/site/meto/groups/groups_lfricinputs.cylc
@@ -46,6 +46,18 @@
         "lfricinputs_um2lfric-nwp_gal9-N320L70_C224L70_ex1a_gnu_fast-debug-64bit",
         "lfricinputs_um2lfric-nwp_gal9-N320L70_C224L70_ex1a_gnu_full-debug-64bit",
     ],
+    "um2lfric_ex1a_nwp_gal9_N320": [
+        "lfricinputs_um2lfric-nwp_gal9-N320L70_C896L70_ex1a_gnu_fast-debug-64bit",
+        "lfricinputs_um2lfric-nwp_gal9-N320L70_C896L70_ex1a_gnu_full-debug-64bit",
+    ],
+    "um2lfric_ex1a_nwp_gal9_N1280": [
+        "lfricinputs_um2lfric-nwp_gal9-N1280L70_C224L70_ex1a_gnu_fast-debug-64bit",
+        "lfricinputs_um2lfric-nwp_gal9-N1280L70_C224L70_ex1a_gnu_full-debug-64bit",
+    ],
+    "um2lfric_ex1a_nwp_gal9_C896": [
+        "lfricinputs_um2lfric-nwp_gal9-N1280L70_C896L70_ex1a_gnu_fast-debug-64bit",
+        "lfricinputs_um2lfric-nwp_gal9-N1280L70_C896L70_ex1a_gnu_full-debug-64bit",
+    ],
 
     "um2lfric_azspice_nwp_gal9": [
         "um2lfric_azspice_nwp_gal9_C12",
@@ -109,6 +121,14 @@
         "lfricinputs_um2lfric-var_seuk_lam_ex1a_gnu_fast-debug-64bit",
         "lfricinputs_um2lfric-var_seuk_lam_ex1a_gnu_full-debug-64bit",
     ],
+    "lfric2um_ex1a_C224": [
+        "lfricinputs_lfric2um-performance-C224L70_N512L70_ex1a_gnu_full-debug-64bit",
+        "lfricinputs_lfric2um-performance-C224L70_N512L70_ex1a_gnu_fast-debug-64bit",
+    ],
+    "lfric2um_ex1a_C896": [
+        "lfricinputs_lfric2um-performance-C896L70_N1280L70_ex1a_gnu_full-debug-64bit",
+        "lfricinputs_lfric2um-performance-C896L70_N1280L70_ex1a_gnu_fast-debug-64bit",
+    ],
     }) %}
 
 
@@ -208,6 +228,9 @@
     ],
     "um2lfric_ex1a_weekly": [
         "um2lfric_ex1a_nwp_gal9_C224",
+        "um2lfric_ex1a_nwp_gal9_N320",
+        "um2lfric_ex1a_nwp_gal9_N1280",
+        "um2lfric_ex1a_nwp_gal9_C896",
     ],
     "lfric2um_ex1a_developer": [
         "lfricinputs_lfric2um-aquaplanet-C48L38_N48L38_ex1a_gnu_fast-debug-64bit",
@@ -219,8 +242,8 @@
         "lfricinputs_lfric2um-umlam-C48L70_N512L70_ex1a_gnu_fast-debug-64bit",
     ],
     "lfric2um_ex1a_weekly": [
-        "lfricinputs_lfric2um-performance-C224L70_N512L70_ex1a_gnu_full-debug-64bit",
-        "lfricinputs_lfric2um-performance-C224L70_N512L70_ex1a_gnu_fast-debug-64bit",
+        "lfric2um_ex1a_C224",
+        "lfric2um_ex1a_C896",
     ],
     "scintelapi_ex1a_developer": [
         "lfricinputs_scintelapi-basic-C48L38_C48L38_ex1a_gnu_fast-debug-64bit",