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  2. Tornado Intercept Vehicle - Wikipedia

    en.wikipedia.org/wiki/Tornado_Intercept_Vehicle

    The Tornado Intercept Vehicle 1 (TIV 1) is a heavily modified 1997 Ford F-Series F-Super Duty cab & chassis truck used as a storm chasing platform and built by Sean Casey. [1] This heavily armored vehicle can drive into a weak to relatively strong tornado ( EF0 to EF3 ) [ citation needed ] to film it and take measurements.

  3. Civil defense siren - Wikipedia

    en.wikipedia.org/wiki/Civil_defense_siren

    Federal Signal Model 5 in Ballston Spa, New York, U.S.. Sirens are sometimes integrated into a warning system that links sirens with other warning media, such as the radio and TV Emergency Alert System, NOAA Weather Radio, telephone alerting systems, Reverse 911, Cable Override, and wireless alerting systems in the United States and the National Public Alerting System, Alert Ready, in Canada.

  4. Roblox Corporation - Wikipedia

    en.wikipedia.org/wiki/Roblox_Corporation

    Roblox Corporation has been ranked on Pocket Gamer.biz ' s top lists of mobile game developers, placing sixth in 2018, [30] eighth in 2019, [31] and sixth in 2020. [32] Fortune featured it as one of the best small and medium-sized workplaces in the San Francisco Bay Area, placing it sixteenth in 2019 and fortieth in 2021.

  5. List of Roblox games - Wikipedia

    en.wikipedia.org/wiki/List_of_Roblox_games

    The online video game platform and game creation system Roblox has numerous games (officially referred to as "experiences") [1] [2] created by users of its creation tool, Roblox Studio. Due to Roblox ' s popularity, various games created on the site have grown in popularity, with some games having millions of monthly active players and 5,000 ...

  6. Neil B. Ward - Wikipedia

    en.wikipedia.org/wiki/Neil_B._Ward

    Neil Burgher Ward (June 26, 1914 – April 12, 1972) was an American meteorologist who is credited as the first scientific storm chaser, developing ideas of thunderstorm and tornado structure and evolution as well as techniques for forecasting and severe weather intercept.

  7. 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 ...

  8. Tornado Cars - Wikipedia

    en.wikipedia.org/wiki/Tornado_Cars

    Tornado Cars Ltd was founded in 1957 by Bill Woodhouse and Tony Bullen based in Mill End, [1] Rickmansworth, Hertfordshire, England.. 1962 Tornado Talisman. The first model was the Typhoon Sports, available either as a body for fitting to Ford 8/10 chassis (following a then current market trend for "specials" based on these mechanical components) or with a Tornado designed and manufactured ...

  9. Enhanced Fujita scale - Wikipedia

    en.wikipedia.org/wiki/Enhanced_Fujita_scale

    The old scale lists an F5 tornado as wind speeds of 261–318 mph (420–512 km/h), while the new scale lists an EF5 as a tornado with winds above 200 mph (322 km/h), found to be sufficient to cause the damage previously ascribed to the F5 range of wind speeds.