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  2. Tornado warning - Wikipedia

    en.wikipedia.org/wiki/Tornado_warning

    An example of a tornado warning polygon issued by the National Weather Service. A tornado warning (SAME code: TOR) is a public warning that is issued by weather forecasting agencies to an area in the direct path of a tornado, or a severe thunderstorm capable of producing one, and advises individuals in that area to take cover.

  3. Federal Signal Modulator - Wikipedia

    en.wikipedia.org/wiki/Federal_Signal_Modulator

    The Modulators in Chicago's siren system formerly used to run on the Alternate Wail tone during tornado warnings in order to vary from emergency vehicle sirens. However, in O'Hare International Airport, instead of using the main UV Wail or Attack, they use an Eclipse 8 (possibly) sound card doing attack. Before that is the Westminster Chimes ...

  4. Emergency Alert System - Wikipedia

    en.wikipedia.org/wiki/Emergency_Alert_System

    The National Public Warning System, also known as the Primary Entry Point (PEP) stations, is a network of 77 radio stations that are, in coordination with FEMA, used to originate emergency alert and warning information to the public before, during, and after incidents and disasters. PEP stations are equipped with additional and backup ...

  5. What’s the difference between a tornado watch and a warning?

    www.aol.com/difference-between-tornado-watch...

    These tips from the National Weather Service and the city of Fort Worth could save your life during thunderstorms, tornadoes or flooding. What’s the difference between a tornado watch and a warning?

  6. Drone footage shows storm chasers measuring ‘heartbeat' of a ...

    www.aol.com/weather/drone-footage-shows-storm...

    A severe thunderstorm warning was issued for the team's target storm. ... As the Dominator 3 approached the tornado, video captured by Timmer showed the roaring size of the tornado along the ...

  7. What's the difference between a tornado watch and a warning ...

    www.aol.com/whats-difference-between-tornado...

    The national weather service issues watches and warnings for tornadoes and severe thunderstorms. What's worse? What do they mean?

  8. Emergency Broadcast System - Wikipedia

    en.wikipedia.org/wiki/Emergency_Broadcast_System

    A tornado warning from WNAS Cable-TV in New Albany, IN for Clark County, IN, c. 1990; North Carolina EBS Training Video, c. 1990; A history of CONELRAD to EBS to EAS from Filcro Media 1951 - 2008, c 2008 The convergent role of each government agency; WFIL's pre recorded attack warning message

  9. Specific Area Message Encoding - Wikipedia

    en.wikipedia.org/wiki/Specific_Area_Message_Encoding

    Specific Area Message Encoding (SAME) is a protocol used for framing and classification of broadcasting emergency warning messages. It was developed by the United States National Weather Service for use on its NOAA Weather Radio (NWR) network, and was later adopted by the Federal Communications Commission for the Emergency Alert System, then subsequently by Environment Canada for use on its ...