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  2. Enhanced Fujita scale - Wikipedia

    en.wikipedia.org/wiki/Enhanced_Fujita_scale

    An EF5 rating on the new scale requires a higher standard of construction in houses than does an F5 rating on the old scale. So, the complete destruction and sweeping away of a typical American frame home, which would likely be rated F5 on the Fujita scale, would probably be rated EF4 or lower.

  3. Fujita scale - Wikipedia

    en.wikipedia.org/wiki/Fujita_scale

    A diagram illustrating the relationship between the Beaufort, Fujita, and Mach number scales. The original scale as derived by Fujita was a theoretical 13-level scale (F0–F12) designed to smoothly connect the Beaufort scale and the Mach number scale. F1 corresponds to the twelfth level of the Beaufort scale, and F12 corresponds to Mach number ...

  4. Tornado intensity - Wikipedia

    en.wikipedia.org/wiki/Tornado_intensity

    Despite their relative rarity, the damage caused by EF5 tornadoes represents a disproportionate hazard to life and limb; since 1950 in the United States, only 59 tornadoes (0.1% of all reports) have been designated F5 or EF5, and yet these have been responsible for more than 1300 deaths and 14,000 injuries (21.5 and 13.6%, respectively).

  5. List of fatal and violent Canadian tornadoes - Wikipedia

    en.wikipedia.org/wiki/List_of_fatal_and_violent...

    Less than 5% of tornadoes that occur in Canada are rated as F3/EF3 or higher. The only officially rated F5/EF5 tornado in Canada is the 2007 Elie Tornado , however Thomas P. Grazulis of The Tornado Project has unofficially rated the 1920 Alameda-Frobisher Tornado and the 1935 Benson Tornado as F5 (neither having any official intensity ratings ...

  6. List of F5, EF5, and IF5 tornadoes - Wikipedia

    en.wikipedia.org/wiki/List_of_F5,_EF5,_and_IF5...

    In the United States, between 1950 and January 31, 2007, a total of 50 tornadoes were officially rated F5, and since February 1, 2007, a total of nine tornadoes have been officially rated EF5. [12] [13] Since 1950, Canada has had one tornado officially rated an F5. [14]

  7. Tire code - Wikipedia

    en.wikipedia.org/wiki/Tire_code

    Prior to 1964, tires were all made to a 90% aspect ratio. Tire size was specified as the tire width in inches and the diameter in inches – for example, 6.50-15. [29] From 1965 to the early 1970s, tires were made to an 80% aspect ratio. Tire size was again specified by width in inches and diameter in inches.

  8. List of F4, EF4, and IF4 tornadoes (2020–present) - Wikipedia

    en.wikipedia.org/wiki/List_of_F4,_EF4,_and_IF4...

    F4 tornadoes were estimated to have had maximum winds between 207 mph (333 km/h) and 260 mph (420 km/h) and are considered violent tornadoes, along with F5 tornadoes. [ 3 ] [ nb 1 ] Following two particularly devastating tornadoes in 1997 and 1999, engineers questioned the reliability of the Fujita scale.

  9. Kijiji - Wikipedia

    en.wikipedia.org/wiki/Kijiji

    eBay, PayPal, Kijiji, and StubHub in Toronto. Kijiji was launched as "a start-up within eBay created by a small team of entrepreneurial employees", according to eBay's March 2005 press release announcing the new service. [10] Kijiji was launched in February 2005 in Quebec City and Montreal, and expanded across the rest of Canada in November ...

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