minor RAM optimisation

1 files changed, 4 insertions, 0 deletions

diff --git a/plotter/vertical_from_grib.py b/plotter/vertical_from_grib.py
index 79c367f..ff454b3 100755
--- a/plotter/vertical_from_grib.py
+++ b/plotter/vertical_from_grib.py
@@ -4,6 +4,8 @@ import os
 import datetime
 import json
 
+import matplotlib.pyplot as plt
+
 import xarray as xr
 from metpy.units import units
 import metpy.calc as mpcalc
@@ -77,6 +79,8 @@ def _plot(data, output, name, lat=None, lon=None, analysis=None):
         outname = f'skewt_{name}_{init_for_filename}+{hours_since_init_str}.png'
         skt.plot(filename=os.path.join(output, outname))
 
+        plt.close('all')
+
         index.append(
             {
                 'file': outname,