We've all heard tests of the Emergency Alert System. They occur all the time at the local level, but on Wednesday, at 2:00 ET, the federal government will conduct the first-ever nationwide evaluation of the system.
The test will last about 30 seconds and be broadcast on television and radio stations across the country. It will allow emergency personnel to assess and improve our alerting capabilities in the event of a crisis.
Watch Craig Fugate -- the head of the Federal Emergency Management Agency -- as he discusses the plan for Wednesday: