color-coded Homeland Security Advisory System
E154918
United States federal government program
person
presidential directive
terrorism threat advisory system
terrorism threat level
The color-coded Homeland Security Advisory System was the United States’ former national terrorism threat alert framework that used five color levels to communicate the risk of terrorist attacks to government agencies and the public.
All labels observed (1)
| Label | Occurrences |
|---|---|
| color-coded Homeland Security Advisory System canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1349474 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: color-coded Homeland Security Advisory System Context triple: [National Terrorism Advisory System, precededBy, color-coded Homeland Security Advisory System]
-
A.
National Terrorism Advisory System
The National Terrorism Advisory System is the United States’ official public warning framework that communicates current terrorism threats and recommended protective actions to government agencies, organizations, and the general public.
-
B.
Emergency Alert System in the United States
The Emergency Alert System in the United States is a national public warning system that enables authorities to quickly broadcast urgent alerts over television, radio, and other communication channels during emergencies such as natural disasters, threats to public safety, or national crises.
-
C.
Silver Alert
Silver Alert is a public notification system used to broadcast information about missing older adults or cognitively impaired individuals to aid in their safe recovery.
-
D.
Regional Security System
The Regional Security System is a Caribbean collective defense organization comprising several Eastern Caribbean states that coordinates regional security, law enforcement, and military cooperation.
-
E.
Wireless Emergency Alerts system
The Wireless Emergency Alerts system is a nationwide public safety tool in the United States that delivers short, location-based emergency messages—such as severe weather warnings, AMBER alerts, and imminent threat notifications—directly to compatible mobile devices.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: color-coded Homeland Security Advisory System Target entity description: The color-coded Homeland Security Advisory System was the United States’ former national terrorism threat alert framework that used five color levels to communicate the risk of terrorist attacks to government agencies and the public.
-
A.
National Terrorism Advisory System
The National Terrorism Advisory System is the United States’ official public warning framework that communicates current terrorism threats and recommended protective actions to government agencies, organizations, and the general public.
-
B.
Emergency Alert System in the United States
The Emergency Alert System in the United States is a national public warning system that enables authorities to quickly broadcast urgent alerts over television, radio, and other communication channels during emergencies such as natural disasters, threats to public safety, or national crises.
-
C.
Silver Alert
Silver Alert is a public notification system used to broadcast information about missing older adults or cognitively impaired individuals to aid in their safe recovery.
-
D.
Regional Security System
The Regional Security System is a Caribbean collective defense organization comprising several Eastern Caribbean states that coordinates regional security, law enforcement, and military cooperation.
-
E.
Wireless Emergency Alerts system
The Wireless Emergency Alerts system is a nationwide public safety tool in the United States that delivers short, location-based emergency messages—such as severe weather warnings, AMBER alerts, and imminent threat notifications—directly to compatible mobile devices.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
United States federal government program
ⓘ
person ⓘ presidential directive ⓘ terrorism threat advisory system ⓘ terrorism threat advisory system ⓘ terrorism threat level ⓘ terrorism threat level ⓘ terrorism threat level ⓘ terrorism threat level ⓘ terrorism threat level ⓘ |
| alsoKnownAs | color-coded Homeland Security Advisory System ⓘ |
| announcedBy | Tom Ridge ⓘ |
| appliesToJurisdiction |
United States of America
ⓘ
surface form:
United States
|
| color |
blue
ⓘ
green ⓘ orange ⓘ red ⓘ yellow ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| creator |
United States government
ⓘ
surface form:
United States federal government
|
| criticizedFor |
lack of clear guidance to the public
ⓘ
potential for politicization of threat levels ⓘ vagueness of threat information ⓘ |
| description |
general risk of terrorist attacks
ⓘ
high risk of terrorist attacks ⓘ low risk of terrorist attacks ⓘ severe risk of terrorist attacks ⓘ significant risk of terrorist attacks ⓘ |
| endTime | 2011-04-26 ⓘ |
| hasPart |
Elevated Threat Level
ⓘ
Guarded Threat Level ⓘ Severe Threat Level ⓘ
surface form:
High Threat Level
Low Threat Level ⓘ Severe Threat Level ⓘ |
| inception | 2002-03-12 ⓘ |
| legalBasis | Homeland Security Presidential Directive-3 ⓘ |
| numberOfLevels | 5 ⓘ |
| operator | United States Department of Homeland Security ⓘ |
| positionHeld | United States Secretary of Homeland Security ⓘ |
| purpose |
communicate the risk of terrorist attacks
ⓘ
inform government agencies of terrorism threat levels ⓘ inform the public of terrorism threat levels ⓘ |
| replaced | informal terrorism threat communications ⓘ |
| replacedBy |
National Terrorism Advisory System
ⓘ
National Terrorism Advisory System ⓘ
surface form:
National Terrorism Advisory System (NTAS)
|
| sector | homeland security ⓘ |
| usedBy |
federal agencies
ⓘ
local governments ⓘ state governments ⓘ |
| uses | color-coded threat levels ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: color-coded Homeland Security Advisory System Description of subject: The color-coded Homeland Security Advisory System was the United States’ former national terrorism threat alert framework that used five color levels to communicate the risk of terrorist attacks to government agencies and the public.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
color-coded Homeland Security Advisory System
→
alsoKnownAs
→
color-coded Homeland Security Advisory System
ⓘ
subject surface form:
Homeland Security Advisory System