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Warning Systems
A warning system is any system of biological or technical nature deployed by an individual or group to inform of a future Risk, 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. Warnings cannot be effective unless people react to them. People are more likely to ignore a system that regularly produces false warnings (the The Boy Who Cried Wolf, cry-wolf effect), but reducing the number of false warnings generally also increases the risk of not giving a warning when it is needed. Some warnings are non-specific: for instance, the probability of an earthquake of a certain magnitude in a certain area over the next decade. Such warnings cannot be used to guide short-term precautions such as evacuation. Opportunities to take long-term precautions, such as better building codes and disaster preparedness, may be ignored. Biological warning systems *Aposematism (e.g. warning coloration) *Climate can ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
TWS 295 Sirens, Saudi Arabia Warning System
TWS may refer to: Arts and entertainment * TWS (group), a K-pop boy group * ''Captain America: The Winter Soldier'', a 2014 film * ''The Weekly Standard'', a former American political magazine * The White Stripes, an American rock band ** The White Stripes (album), ''The White Stripes'' (album), 1999 debut album by The White Stripes * Toad the Wet Sprocket, an American alternative rock band Organizations * The Wilberforce Society, a Cambridge, England-based think tank * The Wilderness Society (Australia) * The Wilderness Society (United States) * The Williams School, a school in New London, Connecticut, US Science and technology * Thermal weapon sight * Track while scan, a radar mode * True wind speed; see Apparent wind#Apparent wind in sailing, Apparent wind * headphones#Wireless, True Wireless Stereo, a bluetooth technology for headphones and speakers. * Tsunami warning system Other uses * Texas World Speedway, a road-racing track in College Station, Texas, US {{Disambigua ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alberta Emergency Alert
Alberta Emergency Alert (AEA) was a public warning system in Alberta. The system was implemented in October 2011, replacing the former Alberta Emergency Public Warning System (EPWS). Based on Common Alerting Protocol (CAP), alerts were disseminated through various media outlets including television and radio, internet, social media mobile apps, and cell broadcast. In March 2015, per an order by the CRTC, it became mandatory for all radio and television broadcasters to participate in an emergency alert system such as AEA. In April 2018, it also became mandatory for all wireless service providers to participate. In 2023, AEA was decommissioned by the Alberta government as an autonomous system, in favor of migrating all participants to the national Alert Ready system operated by Pelmorex. Operation Alerts are set into two stages; an "Information Alert", in which the public is advised to be prepared for potentially life-threatening emergencies. Information Alerts do not inte ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
International Early Warning Programme
The International Early Warning Program (IEWP), was first proposed at the Second International Early Warning Conference (EWCII) in 2003 in Bonn, Germany. It developed increasing importance in the wake of the 2004 Indian Ocean tsunami, which claimed over 200,000 lives and injured over half a million people. History In January 2005, the United Nations (UN) launched extensive plans to create a global warning system to lessen the impact of deadly natural disasters at the World Conference on Disaster Reduction, held in Kobe, Japan. The UN programme would help improve prevention and resilience to all types of natural disasters, including droughts, wildfires, floods, typhoons, hurricanes, landslides, volcanoes and tsunamis, by using a comprehensive set of methods including rapid information sharing and training communities at risk. It is believed that the loss of human life would have been dramatically reduced, if a tsunami warning system, like the one that exists for the volcano-and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Indian Ocean Tsunami Warning System
The Indian Ocean Tsunami Warning System, abbreviated as IOTWS, was set up to provide warning to inhabitants of nations bordering the Indian Ocean of approaching tsunamis. The tsunami warning system has been in use since the mid-2000s. Background A warning system for the Indian Ocean was prompted by the 2004 Indian Ocean earthquake and resulting tsunami, which left approximately 250,000 people dead or missing. Many analysts claimed that the disaster would have been mitigated if there had been an effective warning system in place, citing the well-established Hawaii-based Pacific Tsunami Warning Center, which operates in the Pacific Ocean. People in some areas would have had more than adequate time to seek safety if they were aware of the impending catastrophe. The only way to effectively mitigate the impact of a tsunami is through an early warning system. Other methods such as sea walls only work for a percentage of waves, but a warning system is effective for all waves originat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ground Proximity Warning System
A Ground Proximity Warning System (GPWS) is a system designed to alert pilots if their aircraft is in immediate danger of flying into the ground or an obstacle. The United States Federal Aviation Administration (FAA) defines GPWS as a type of terrain awareness and warning system (TAWS). More advanced systems, introduced in 1996, are known as enhanced ground proximity warning systems (EGPWS), a modern type of TAWS. History In the late 1960s, a series of controlled flight into terrain (CFIT) accidents took the lives of hundreds of people. A CFIT accident is one where a properly functioning airplane under the control of a fully qualified and certified crew is flown into terrain, water or obstacles with no apparent awareness on the part of the crew.Note: Original text copied from U.S. FAA Circular AC23-1. As a work of the U.S. Government, there is no copyright on the work, and it may be freely copied, and is thus included here. Additional or reduced text and formatting, not inclu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gale Warning
A ''gale warning'' is an alert issued by national weather forecasting agencies around the world in an event that maritime locations currently or imminently experiencing winds of gale force on the Beaufort scale. Gale warnings (and gale watches) allow mariners to take precautionary actions to ensure their safety at sea or to seek safe anchorage and ride out the storm on land. Though usually associated with deep low-pressure areas, winds strong enough to catalyze a gale warning can occur in other conditions too, including from anticyclones, or high-pressure systems, in the continental interior. The winds are not directly associated with a tropical cyclone. Usage in the United States Maritime In the United States, the National Weather Service issues gale warnings for marine areas (oceans, sounds, estuaries, and the Great Lakes) experiencing, or about to experience, winds within the range of to . In United States maritime warning flag systems, two red pennants indicate a gale ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fire Alarm System
A fire alarm system is a building system designed to detect, alert occupants, and alert emergency forces of the presence of fire, smoke, carbon monoxide, or other fire-related emergencies. Fire alarm systems are required in most commercial buildings. They may include smoke detectors, heat detectors, and manual fire alarm activation devices ( pull stations). All components of a fire alarm system are connected to a fire alarm control panel. Fire alarm control panels are usually found in an electrical or panel room. Fire alarm systems generally use visual and audio signalization to warn the occupants of the building. Some fire alarm systems may also disable elevators, which are unsafe to use during a fire under most circumstances. Design Fire alarm systems are designed after fire protection requirements in a location are established, which is usually done by referencing the minimum levels of security mandated by the appropriate model building code, insurance agencies, and other ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Federal Civil Defense Authority
The Federal Civil Defense Authority was established in the United States Department of Defense (DOD), by DOD Directive 5105.43, May 5, 1972. Predecessor agencies * Federal Civil Defense Administration (FCDA), Office for Emergency Management (OEM), Executive Office of the President (EOP, 1950–1951) * FCDA (1951–1958) * Office of Defense and Civilian Mobilization (ODCM), EOP (1958) * Office of Civil and Defense Mobilization (OCDM), EOP (1958–1961) * Office of Civil Defense (OCD), DOD (1961–1964) * OCD, United States Department of the Army, DOD (1964–1972) Functions It coordinated and directed federal, state, and local civil defense program activities, including fallout shelters; chemical, biological, and radiological warfare defense; emergency communications and warning systems; post-attack assistance and damage assessment; preparedness planning; and government continuity. Abolished By EO 12148, July 20, 1979, retroactive to July 15, 1979, pursuant to Reorganizatio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Famine Early Warning Systems Network
FEWS NET, the Famine Early Warning Systems Network, is a website of information and analysis on food insecurity created in 1985 by the United States Agency for International Development (USAID), and the US Department of State, after famines in East and West Africa. History FEWS NET was created in response to the 1984 - 1985 famines in Sudan and Ethiopia, which resulted in the deaths of as many as 1 million people. From the beginning, the aim of the early warning system, then called "FEWS", was to anticipate impending famines and advise policy makers on how to prevent or mitigate such famines. In July 2000, the initiative's name was changed to the Famine Early Warning Systems Network, or FEWS NET, to signal the importance of collaborating with and strengthening national local food security information systems. In 2008, Molly E. Brown argued that during its twenty years of activity, FEWS NET had been extremely successful. She said that it was widely viewed as "the most effectiv ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Emergency Alert System
The Emergency Alert System (EAS) is a Emergency population warning, national warning system in the United States designed to allow authorized officials to broadcast emergency alerts and warning messages to the public via Cable television, cable, Satellite television, satellite and Terrestrial television, broadcast television and AM broadcasting, AM, FM broadcasting, FM and Satellite radio, satellite radio. Informally, ''Emergency Alert System'' is sometimes conflated with its mobile phone counterpart Wireless Emergency Alerts (WEA), a different but related system. However, both the EAS and WEA, among other systems, are coordinated under the Integrated Public Alert and Warning System (IPAWS). The EAS, and more broadly IPAWS, allows federal, state, and local authorities to efficiently broadcast emergency alert and warning messages across multiple channels. The EAS became operational on January 1, 1997, after being approved by the Federal Communications Commission (FCC) in Novembe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Earthquake Warning System
An earthquake early warning (EEW) system is a system of accelerometers, seismometers, communication, computers, and alarms that is devised for rapidly notifying adjoining regions of a substantial earthquake once one begins. This is not the same as earthquake prediction, which is currently not capable of producing decisive event warnings. Time lag and wave projection An earthquake is caused by the release of stored Strain energy, elastic strain energy during rapid sliding along a Fault (geology), fault. The sliding starts at some location and progresses away from the hypocenter, hypocentre in each direction along the fault surface. The speed of the progression of this fault tear is slower than — and distinct from — the speed of the resultant P wave, pressure and S wave, shear waves, with the pressure wave travelling faster than the shear wave. The pressure waves are always smaller in amplitude than the damaging shear waves that are the most destructive to structures, particul ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
