Homeland Security Advisory System
The Homeland Security Advisory System shall be binding on the executive branch and suggested,
although voluntary, to other levels of government and the private sector. There are five Threat
Conditions, each identified by a description and corresponding color. From lowest to highest, the
levels and colors are:
Low = Green;
Guarded = Blue;
Elevated = Yellow;
High = Orange;
Severe = Red.
The higher the Threat Condition, the greater the risk of a terrorist attack. Risk includes both
the probability of an attack occurring and its potential gravity. Threat Conditions shall be assigned
by the Attorney General in consultation with the Assistant to the President for Homeland Security.
Except in exigent circumstances, the Attorney General shall seek the views of the appropriate Homeland
Security Principals or their subordinates, and other parties as appropriate, on the Threat Condition to
be assigned. Threat Conditions may be assigned for the entire Nation, or they may be set for a particular
geographic area or industrial sector. Assigned Threat Conditions shall be reviewed at regular intervals
to determine whether adjustments are warranted.
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