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Sunburn effect (as measured by the UV index) is the product of the sunlight power spectrum (radiation intensity) and the erythemal action spectrum (skin sensitivity) across the range of UV wavelengths. [9] [10] The UV index is a number linearly related to the intensity of sunburn-producing UV radiation at a given point on the Earth's surface.
The most California tornadoes on a single day in the state was seven, which occurred on November 9, 1982. [58] In July 2004, a twister touched down in Sequoia National Park at an altitude of around 12,156 ft (3,705 m), making it the highest elevation for a confirmed tornado in the United States. [60]
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800-290-4726 more ways to reach us. Sign in. Mail. 24/7 Help. ... Experts explain the purpose of the UV Index Scale and how to stay safe in the sun. ... The indexes range from 0-11 and indicate ...
See also 0–9 An enlargeable map of the state of California.ca.us – Internet second-level domain for the state of California 33rd parallel north 34th parallel north 35th parallel north 36th parallel north 37th parallel north 38th parallel north 39th parallel north 40th parallel north 41st parallel north 42nd parallel north 100 km isolated peaks of California 115th meridian west 116th ...
Contact us; Contribute Help; Learn to edit; ... 5 How is UV index a function of time to sunburn? 2 comments. 6 Unable to find source for 'Index Usage' section.
Map of California topography and geomorphic provinces California's major mountain ranges. California is a U.S. state on the western coast of North America. Covering an area of 163,696 sq mi (423,970 km 2), California is among the most geographically diverse states.
Description: Map of California in gray with counties outlined in white and labeled. Date: 25 December 2007: Source: Self-made. Labels inspired by Image:California counties map1.gif.