Severe Threat Level

E650436

security alert category terrorism alert level

Severe Threat Level is the highest alert category in the former U.S. Homeland Security Advisory System, indicating an extreme risk of terrorist attacks and triggering maximum security measures.

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All labels observed (2)

Label	Occurrences
High Threat Level	1
Severe Threat Level canonical	1

How this entity was disambiguated

This entity first appeared as the object of triple T7231734 — 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: Severe Threat Level
Context triple: [Homeland Security Advisory System, hasPart, Severe Threat Level]

A. Terrorist Threats
"Terrorist Threats" is a 2003 gangsta rap album by Westside Connection that showcases the hardcore West Coast sound and politically charged, street-oriented lyrics of the supergroup.
B. Danger
"Danger" is a song by American singer Erykah Badu from her neo-soul album "Worldwide Underground."
C. Critical Resistance
Critical Resistance is a grassroots organization that campaigns to dismantle the prison-industrial complex and promote alternatives to incarceration and policing.
D. Threshold
Threshold is the internal codename Microsoft used during development of the Windows 10 operating system.
E. Threshold
Threshold is a science fiction television series created by Brannon Braga (along with others) that explores a secret government response to an alien first-contact event.
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: Severe Threat Level
Target entity description: Severe Threat Level is the highest alert category in the former U.S. Homeland Security Advisory System, indicating an extreme risk of terrorist attacks and triggering maximum security measures.

A. Terrorist Threats
"Terrorist Threats" is a 2003 gangsta rap album by Westside Connection that showcases the hardcore West Coast sound and politically charged, street-oriented lyrics of the supergroup.
B. Danger
"Danger" is a song by American singer Erykah Badu from her neo-soul album "Worldwide Underground."
C. Critical Resistance
Critical Resistance is a grassroots organization that campaigns to dismantle the prison-industrial complex and promote alternatives to incarceration and policing.
D. Threshold
Threshold is the internal codename Microsoft used during development of the Windows 10 operating system.
E. Threshold
Threshold is a science fiction television series created by Brannon Braga (along with others) that explores a secret government response to an alien first-contact event.
F. None of above. chosen

Statements (45)

Predicate	Object
instanceOf	security alert category ⓘ terrorism alert level ⓘ
abbreviation	Severe (Red) ⓘ
administeredBy	DHS ⓘ U.S. Department of Homeland Security ⓘ linked to: United States Department of Homeland Security
appliesTo	critical infrastructure sectors ⓘ federal government facilities ⓘ general public guidance ⓘ local government agencies ⓘ state government agencies ⓘ
associatedWith	post-September 11 security policies ⓘ
colorCode	red ⓘ
communicationMediums	government websites ⓘ media announcements ⓘ public statements by officials ⓘ
communicationToPublic	alerts about imminent or ongoing terrorist attacks ⓘ
country	United States ⓘ linked to: United States of America
criticizedFor	contributing to public anxiety ⓘ lack of specific actionable guidance ⓘ
dateDiscontinued	2011 ⓘ
dateIntroduced	2002 ⓘ
introducedBy	George W. Bush administration ⓘ linked to: Bush administration
jurisdiction	United States federal government ⓘ linked to: United States government
legalBasis	Homeland Security Presidential Directive-3 ⓘ
partOf	Homeland Security Advisory System ⓘ
positionInScale	highest ⓘ
purpose	indicate extreme risk of terrorist attacks ⓘ trigger heightened security measures ⓘ
relatedSystem	National Terrorism Advisory System alerts ⓘ National Terrorism Advisory System bulletins ⓘ linked to: National Terrorism Advisory System
replacedBy	National Terrorism Advisory System ⓘ
requires	coordination among federal, state, and local authorities ⓘ deployment of maximum protective security measures ⓘ increased surveillance and security presence ⓘ
riskDescription	extreme risk of terrorist attacks ⓘ
scaleMemberCount	5 ⓘ
scaleMembers	Elevated Threat Level ⓘ Guarded Threat Level ⓘ High Threat Level ⓘ Low Threat Level ⓘ Severe Threat Level ⓘ
securityPosture	maximum security measures ⓘ
status	discontinued ⓘ
systemType	color-coded threat advisory system ⓘ
usedIn	United States homeland security policy ⓘ