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The National Weather Service in the United States switches from the Fujita scale to the new Enhanced Fujita scale to measure the intensity and strength of tornadoes.
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National Weather Service
U.S. forecasting agency of the National Oceanic and Atmospheric Administration
The National Weather Service (NWS) is an agency of the United States federal government that is tasked with providing weather forecasts, warnings of hazardous weather, and other weather-related products to organizations and the public for the purposes of protection, safety, and…Source: Wikipedia (CC BY-SA)
United States
Country primarily in North America
The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 states and a federal capital district, Washington, D.C. The 48 contiguous states border Canada to the north and…Source: Wikipedia (CC BY-SA)
Fujita scale
Scale for rating tornado intensity
The Fujita scale, or Fujita–Pearson scale, is a scale for rating tornado intensity, based primarily on the damage tornadoes inflict on human-built structures and vegetation. The official Fujita scale category is determined by meteorologists and engineers after a ground or aerial…Source: Wikipedia (CC BY-SA)
Enhanced Fujita scale
Tornado intensity rating scale
The Enhanced Fujita scale is a scale that rates tornado intensity based on the severity of the damage a tornado causes. It is used in the United States and France, among other countries. The EF scale is also unofficially used in other countries, including China and Brazil. The…Source: Wikipedia (CC BY-SA)
February 1
Day of the year
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