Note: Wind speeds above 40 mph have little additional chilling effect. Old Wind Chill Chart (used before November 1, 2001) Wind Thermal Comfort Observations – Australia Bureau of Meteorology NWS Wind Chill Temperature Index – Includes a wind chill chart in PDF and high resolution TIF formats, an online calculator, and answers to frequently asked questions. The best way to avoid the hazards of wind chill is to check the weather forecast before going outside and to be prepared by dressing warmly. Exposed skin at very cold wind chills can freeze in only minutes. National Weather Service, is a simple way to determine whether outdoor workers are at risk of cold stress. The wind chill index is not actually a real temperature but, rather, represent the feeling of cold on your skin and is expressed in temperature-like units. A wind chill chart, like the following from the U.S. ![]() ![]() Report on Wind Chill Temperature and Extreme Heat Indices: Evaluation and Improvement Projects – Office of the Federal Coordinator for Meteorology provides this report describing the joint US and Canadian replacement wind chill index project, implemented for the 2001-2002 winter season, and other extreme heat formula evaluations. Calculating wind chill involves measuring two parameters: air temperature and wind speed. The Canadian index has been harmonized with that used in the United States (although the Celsius scale is used in Canada and the Fahrenheit scale in the US), thus providing a consistent index throughout North America. ![]() Wind Chill Calculator – National Weather ServiceĮnvironment Canada’s Windchill Program – Offers a wind chill fact sheet, charts and tables, calculators and equations, and a history of the program. Note: Wind chill is only defined for temperatures in the range -45☏ to +45☏ and wind speeds 3 to 60 mph. Hints to the Observer WIND - CHILL CHART : KNOTS AND KILOMETERS PER HOUR VERSUS DEGREES CELSIUS RS ATL NOAA - NATIONAL WEATHER SERVICE WIND CHILL CHART.
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