diff --git a/notebooks/RPSS_verification.ipynb b/notebooks/RPSS_verification.ipynb
index 58e038c1412685d3f8528253d856b18bf363af09..a25b23d868b6c7ad9f07a90e106dc413f0389855 100644
--- a/notebooks/RPSS_verification.ipynb
+++ b/notebooks/RPSS_verification.ipynb
@@ -508,7 +508,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 20,
+   "execution_count": 22,
    "metadata": {},
    "outputs": [
     {
@@ -526,7 +526,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 21,
+   "execution_count": 23,
    "metadata": {},
    "outputs": [
     {
@@ -535,7 +535,7 @@
        "Frozen(SortedKeysDict({'forecast_time': 53, 'category': 3, 'lead_time': 2, 'latitude': 121, 'longitude': 240}))"
       ]
      },
-     "execution_count": 21,
+     "execution_count": 23,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -547,7 +547,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 22,
+   "execution_count": 24,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -556,7 +556,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 23,
+   "execution_count": 25,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -601,7 +601,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 24,
+   "execution_count": 27,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -646,7 +646,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 25,
+   "execution_count": 29,
    "metadata": {},
    "outputs": [
     {
@@ -729,7 +729,7 @@
        "    southern_extratropics    -0.01    -0.01"
       ]
      },
-     "execution_count": 25,
+     "execution_count": 29,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -743,7 +743,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 26,
+   "execution_count": 30,
    "metadata": {},
    "outputs": [
     {