Disable numpy futurewarnings when running from CLI

src/cli.py

@@ -11,6 +11,9 @@ import analysis.forecast_twl as forecast_twl
 import analysis.forecasted_storm_impacts as forecasted_storm_impacts
 import analysis.observed_storm_impacts as observed_storm_impacts
 
+# Disable numpy warnings
+import warnings
+warnings.simplefilter(action='ignore', category=FutureWarning)
 
 @click.group()
 def cli():