Originally Posted by IslandBased

http://www.wired.com/threatlevel/200...leveladvisory/

"Here are the new meanings:

* Yellow = Guarded – “A constant state of vigilance to protect against a terrorist attack.”
* Orange = Elevated – “Increased protective measures based on specific threat information regarding a known or suspected terrorist plot.”
* Red = High Alert – “Maximum protective measures to protect against an imminent or ongoing terrorist attack.”