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The Enhanced Fujita scale (abbreviated as EF-Scale) is a scale that rates tornado intensity based on the severity of the damage they cause. It is used in some countries, including the United States and France. [1] The EF scale is also unofficially used in other countries, including China and Brazil.
Homes outside Waco sustained F5-level damage. Large, multi-story buildings collapsed in downtown Waco but incurred sub-F5-level damage. [28] May 29: 1953: United States North Dakota: Fort Rice: 2: SPC-NWS, [20] NCDC, [27] Grazulis: Tornado outbreak of May 29, 1953 – A large church was leveled and its pews were driven 4 ft (1.2 m) into the ground.
This is a list of tornadoes which has been officially or unofficially labeled as F3, EF3, IF3 during the 2020s decade. These scales – the Fujita scale, the Enhanced Fujita scale, the International Fujita scale, and the TORRO tornado intensity scale – attempt to estimate the intensity of a tornado by classifying the damage caused to natural features and man-made structures in the tornado's ...
The EF English Proficiency Index (EF EPI) attempts to rank countries by the equity of English language skills amongst those adults who took the EF test. [2] It is the product of EF Education First, an international education company, and draws its conclusions from data collected via English tests available for free over the internet.
This is a list of tornadoes which have been officially or unofficially labeled as F4, EF4, IF4, or an equivalent rating. These scales – the Fujita scale , the Enhanced Fujita scale , the International Fujita scale , and the TORRO tornado intensity scale – attempt to estimate the intensity of a tornado by classifying the damage caused to ...
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 ...
The EF Standard English Test is a standardized test of the English language designed for non-native English speakers. [1] It is the product of EF Education First , a global language training company, and a team of language assessment experts including Lyle Bachman, Mari Pearlman, and Ric Luecht.
February had slightly above-average levels of tornado activity with 46 tornadoes. Many of those tornadoes occurred much further north than is typical for the month, in the Midwest and Great Lakes regions, including Wisconsin , which experienced tornadoes in February for the first time since modern record began in 1950.