Warning system

A warning system is any system of biological or technical nature deployed by an individual or group to inform of a future danger. Its purpose is to enable the deployer of the warning system to prepare for the danger and act accordingly to mitigate or avoid it.

Biological warning systems

• Aposematism (e.g. warning coloration)
• Climate canary
• Fear
• Miner's canary
• Pain

Man-made warning systems

• Emergency population warning

Civilian warning systems

• Alberta Emergency Public Warning System
• Automatic Warning System
• Child abduction alert system
• Dam safety system
• Earthquake warning system
• Emergency Alert System (United States)
• Famine Early Warning Systems Network
• Federal Civil Defense Authority
• Fire alarm system
• Gale warning
• Ground proximity warning system
• Indian Ocean Tsunami Warning System
• International Early Warning Programme
• J-Alert (Japan)
• Lane departure warning system
• National Severe Weather Warning Service
• N.E.A.R. (National Emergency Alarm Repeater)
• North Warning System
• Traffic Collision Avoidance System
• Train Protection & Warning System
• Tsunami warning system

Military warning systems

• Airborne Early Warning and Control
• Ballistic Missile Early Warning System
• CONELRAD
• Chain Home
• Chain Home Low
• ROTOR

Business warning systems

• Warning system for detecting telephone fraud
• Warning system for loan risk assessment
• Warning system for online market research

See also

• Alarm (disambiguation)