Stream is live only when there is a storm chase in progress. If the stream stops just wait a few seconds as the internet connection in the area where the chase is occurring in may be slow. You might also refresh the page and see if the stream is working.
Chaser TV
More Live Storm Chasing can be seen at www.chasertv.com
Severe Studios
More Live Storm Chasing can be seen at www.severestudios.com
