Added the ability to Weather Underground to track severe weather alerts (home-assistant#981)

tchellomello · fabaff · commit 6bbfd3ea8fdc · 2016-10-22T10:42:54.000+02:00
diff --git a/source/_components/sensor.wunderground.markdown b/source/_components/sensor.wunderground.markdown
@@ -55,6 +55,7 @@ sensor:
       - precip_today_metric
       - precip_today_string
       - solarradiation
+      - alerts
 
 ```
 
@@ -89,6 +90,7 @@ Configuration variables:
   - **precip_today_metric**: Total precipitation in metric units
   - **precip_today_string**: Text summary of precipitation today
   - **solarradiation**: Current levels of solar radiation
+  - **alerts**: Current severe weather advisories
 
 Additional details about the API are available [here](https://www.wunderground.com/weather/api/d/docs).
 
