⚰️ Minor fixes to spelling and imports in extract_anomalies

Author: jemrobinson

notebooks/extract_anomalies.ipynb

@@ -38,7 +38,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "Download only data for the Southern emisphere. You can do the same for the Northern emisphere by changing the `area` key to `[90, -180, 0, 180]`, or leave out the key altogether to get global data. The data is saved in `msl_monthly_south_1979_2020.nc`. Provide the full path if you want it saved under another directory, e.g. `../data/msl_monthly_south_1979_2020.nc`."
+    "Download only data for the Southern hemisphere. You can do the same for the Northern hemisphere by changing the `area` key to `[90, -180, 0, 180]`, or leave out the key altogether to get global data. The data is saved in `msl_monthly_south_1979_2020.nc`. Provide the full path if you want it saved under another directory, e.g. `../data/msl_monthly_south_1979_2020.nc`."
    ]
   },
   {
@@ -937,13 +937,7 @@
    "outputs": [],
    "source": [
     "import matplotlib.pyplot as plt\n",
-    "import matplotlib.animation as animation\n",
     "import numpy as np\n",
-    "import xarray as xr\n",
-    "from IPython.display import Image\n",
-    "from matplotlib.cm import ScalarMappable\n",
-    "from matplotlib.colors import Normalize\n",
-    "from matplotlib.animation import PillowWriter\n",
     "import cartopy.crs as ccrs\n",
     "import cartopy.feature as cfeature\n",
     "import cmocean\n",
@@ -953,7 +947,7 @@
     "    is_arctic = msl_data.latitude.mean().item() > 0\n",
     "    proj = ccrs.NorthPolarStereo() if is_arctic else ccrs.SouthPolarStereo()\n",
     "\n",
-    "    fig = plt.figure(figsize=(8, 8))\n",
+    "    plt.figure(figsize=(8, 8))\n",
     "    ax = plt.axes(projection=proj)\n",
     "\n",
     "    # Set appropriate extent for polar views\n",
@@ -981,9 +975,7 @@
     "    )\n",
     "\n",
     "    # Colorbar\n",
-    "    cbar = plt.colorbar(\n",
-    "        cs, orientation=\"horizontal\", pad=0.05, aspect=50, label=\"MSLP (hPa)\"\n",
-    "    )\n",
+    "    plt.colorbar(cs, orientation=\"horizontal\", pad=0.05, aspect=50, label=\"MSLP (hPa)\")\n",
     "\n",
     "    ax.set_title(title)\n",
     "\n",