Elevations in the Threat Alert Level
Elevations in the Threat Alert Level : "The term 'elevations in the threat alert level' means any designation (including those that are less than national in scope) that raises the homeland security threat level to either the highest second highest threat level under the Homeland Security Advisory System". (U.S. Congress, Implementing the 9/11 Commission Recommendations Act of 2007, August 7, 2007, pp. 8-9)