First, this report:
[A] fabricated scenario was the setting for a full-scale exercise performed by D.C.'s Homeland Security and Emergency Management Agency Wednesday, allowing a wide swath of District agencies to practice their response to a massive city-wide emergency.
On the grounds of RFK Stadium, members of the Metropolitan Police Department, D.C. Fire and EMS and the D.C. Department of Human Services were on hand to perform various drills in order to coordinate and execute emergency operations, gathering data to refine the city's procedures in the event of a real emergency.
In the concourse of the stadium, the D.C. Department of Human Services was in charge of a "mega-shelter" that filled with volunteers mimicking the roles of displaced residents.
Then this:
And finally look at this website which tracks asteroids in orbit and calculates the likelihood of collision with earth.
On or about October 1 there is scheduled to be a collision between earth and an asteroid known as 2011 SO5. Google it.
According to the government, the collision is "certain".
Maybe its just the size of an old dead satellite that burns up in the atmosphere never to be heard from again. Maybe.