warning system

[ˈwɔːrnɪŋ ˈsɪstəm]
nounpl: warning systems
sistema de aviso
1. A set of devices, procedures, or mechanisms designed to alert or notify people of potential danger or hazardous conditions
The building has a modern fire warning system installed on every floor.
O edifício tem um sistema de aviso de incêndio moderno instalado em cada andar.
2. An automated network that detects and communicates alerts about natural disasters, threats, or emergencies
The tsunami warning system saved thousands of lives during the earthquake.
O sistema de aviso de tsunami salvou milhares de vidas durante o terremoto.
3. A technical infrastructure used to provide advance notice of imminent risks or hazards
The early warning system detected the approaching storm 24 hours before impact.
O sistema de alerta antecipado detectou a tempestade que se aproximava 24 horas antes do impacto.
In Brazil, warning systems are critical infrastructure, especially regarding natural disasters like floods, landslides, and storms, with civil defense agencies (Defesa Civil) operating comprehensive alert networks. In the USA, warning systems are integral to emergency management culture, with specific systems for tornadoes, hurricanes, earthquakes, and other regional hazards.
Synonyms / Sinônimos
alert systemalarm systemdetection systemearly warning systemnotification system
Antonyms / Antônimos
silenceconcealment

Regional Variations

General Brazilian
sistema de aviso
Most common term used across Brazil
General Brazilian
sistema de alerta
Alternative term, slightly more formal
Rio de Janeiro
sistema de aviso
Standard usage in municipal and civil defense contexts
São Paulo
sistema de alerta antecipado
Preferred in technical and meteorological contexts
Portugal
sistema de aviso
Also 'sistema de alerta'; used in emergency management

Related Words

sirenalertemergencyevacuationhazard detectionsensor

Related Idioms & Phrases

trigger a warning system
activate the warning system
early warning system
sound the alarm
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