Terrorist threat warning systems--Color codes
URI(s)
Components
Color codes 
Broader Terms
Closely Matching Concepts from Other Schemes
Sources
found: Work cat.: 5 codes : architecture, paranoia and risk in times of terror, c2006:p. 4 of cover (The Department of Homeland Security's primary task is to keep the terrorist threat in permanent view; to do this it developed a five-stage warning system based on the colors green, blue, yellow, orange, and red--5 codes)
found: Homeland Security Advisory System, 2005:p. 1 (The Homeland Security Advisory System, established March 12, 2002, is a color-coded terrorist threat warning system)
Instance Of
Scheme Membership(s)
Collection Membership(s)
Change Notes
2006-10-26: new
2007-01-26: revised
Alternate Formats