diff --git a/examples/nblibrary/atm/nmse_PSL.ipynb b/examples/nblibrary/atm/nmse_PSL.ipynb
index 9c4c4078..294088dd 100644
--- a/examples/nblibrary/atm/nmse_PSL.ipynb
+++ b/examples/nblibrary/atm/nmse_PSL.ipynb
@@ -82,7 +82,7 @@
    "outputs": [],
    "source": [
     "dat = xr.open_mfdataset(\n",
-    "    CESM_output_dir + \"/\" + case_name + \"/atm/proc/tseries/*.PSL*.nc\"\n",
+    "    CESM_output_dir + \"/\" + case_name + \"/atm/proc/tseries/regrid/*PSL*.nc\"\n",
     ")"
    ]
   },
@@ -114,24 +114,22 @@
    "outputs": [],
    "source": [
     "# This will need to be changed if we have a common repo\n",
-    "validpath = \"/glade/campaign/cgd/cas/islas/python_savs/CUPID/PSL_validation/\"\n",
-    "validpath_old = (\n",
+    "validation_path = (\n",
     "    \"/glade/campaign/cgd/cas/islas/python_savs/CUPID/NMSE/validation_data_example/\"\n",
     ")\n",
     "\n",
     "# ---ERA5\n",
-    "era5 = xr.open_dataset(validpath_old + \"PSL_ERA5.nc\")\n",
-    "# era5 = xr.open_dataset(\"/glade/campaign/cgd/cas/islas/python_savs/CUPID/NMSE/validation_data_example/PSL_ERA5.nc\")\n",
+    "era5 = xr.open_dataset(validation_path + \"PSL_ERA5.nc\")\n",
     "era5 = era5 / 100.0  # convert to hPa\n",
     "\n",
     "# ---CESM2\n",
-    "lens2 = xr.open_dataset(validpath_old + \"PSL_LENS2.nc\")\n",
+    "lens2 = xr.open_dataset(validation_path + \"PSL_LENS2.nc\")\n",
     "lens2 = lens2 / 100.0  # convert to hPa\n",
     "lens2[\"lon\"] = era5.lon\n",
     "lens2[\"lat\"] = era5.lat\n",
     "\n",
     "# ---CMIP6\n",
-    "modelfiles = sorted(glob.glob(validpath_old + \"CMIP6/*.nc\"))\n",
+    "modelfiles = sorted(glob.glob(validation_path + \"CMIP6/*.nc\"))\n",
     "datcmip6 = [xr.open_dataset(ifile).mean(\"M\") for ifile in modelfiles]\n",
     "datcmip6 = xr.concat(datcmip6, dim=\"model\")\n",
     "datcmip6 = datcmip6 / 100.0\n",
@@ -177,9 +175,19 @@
    "outputs": [],
    "source": [
     "dat = dat.sel(time=slice(start_date, end_date))\n",
-    "\n",
-    "dat = dat.PSL / 100.0\n",
-    "dat = dat.expand_dims(lon=era5.lon, lat=era5.lat)"
+    "dat = dat.PSL / 100.0"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "b11ed849-c8b2-4079-bde0-598f60ab4463",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# this requires the same grid\n",
+    "dat[\"lon\"] = era5.lon\n",
+    "dat[\"lat\"] = era5.lat"
    ]
   },
   {
@@ -220,7 +228,6 @@
    },
    "outputs": [],
    "source": [
-    "print(\"moving on to compute the nmse\")\n",
     "nmse_dat = []\n",
     "nmse_cesm2 = []\n",
     "nmse_cmip6 = []\n",