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In 2007, the United Nations honored UV index inventors Kerr, McElroy, and Wardle with the Innovators Award for their far-reaching work on reducing public health risks from UV radiation. [24] In the same year, a survey among meteorologists ranked the development of the UV index as #11 on The Weather Channel's 100 Biggest Weather Moments.
Highest ultraviolet index measured: On 29 December 2003, a UV index of 43.3 was detected at Chile/Bolivia's Licancabur volcano, at 19,423 feet (5,920 m) altitude. A light-skinned individual in such conditions may experience moderate sunburn in as little as 4 minutes.
Sunburn effect (as measured by the UV Index) is the product of the sunlight spectrum at the Earth's surface (radiation intensity) and the erythemal action spectrum (skin sensitivity). Long-wavelength UV is more prevalent, but each milliwatt at 295 nm produces almost 100 times more sunburn than at 315 nm.
Weather data from Midway Airport before July 1, 1942, and after January 16, 1980, and data from O'Hare Airport before January 17, 1980, are not part of the official climate record of Chicago. Here is a list of official weather observation locations for the Chicago office: [ 5 ]
At the outset of the 2020/21 academic year, the archdiocese ran 160 elementary schools and three high schools. An additional eight Catholic elementary schools and 28 Catholic high schools that are not archdiocesan-run are located within the Archdiocese of Chicago. [3] As of 2015, the Superintendent of Catholic Schools is Jim Rigg, Ph.D. [1]
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Sorento is a village in Bond County, Illinois, United States. The population was 429 at the 2020 census. The population was 429 at the 2020 census. Sorento is part of the St. Louis Metropolitan Statistical Area . [ 4 ]