Presidentially Declared Major Disasters and Emergencies (with turndowns) May 1953 - May 1997

<iframe width="560" height="315" src="https://www.youtube.com/watch?v=apEglmdIyVY&feature=youtu.be" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>"