small cleanup

plot_mrms-CONUS.py

 #!/usr/bin/python
+
+# Written by Jared Rennie, NCICS
+
 import matplotlib as mpl
 mpl.use('Agg')
 import matplotlib.pyplot as plt
@@ -44,6 +47,7 @@ maxLon = -73
 start=time.time()
 
 # Read in Arguments 
+# DATA SOURCE: https://mrms.ncep.noaa.gov/data/2D/MergedReflectivityQComposite/
 if len(sys.argv) < 2:
     sys.exit("USAGE: <INFILE>")  
 file = sys.argv[1]
@@ -64,7 +68,6 @@ current_hour= "%02i:%02i" % (current_date.hour,current_date.minute)
 
 # Read in Data
 inData=xr.load_dataset(in_directory+'/'+file,engine='cfgrib')
-sys.exit()
 lats=inData.latitude.values
 lons=inData.longitude.values-360
 vals=inData.unknown.values