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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 reality is the higher the UV index reading, the less time it takes for the skin to get burned and the greater the risk of harm from UV exposure — that includes harm to the skin and eyes.
Here’s what we know about the valley dubbed as one of the hottest places on Earth. In 2022, over 1 million people visited the national park. Here’s what we know about the valley dubbed as one ...
July 2024 was the hottest month ever recorded in Death Valley, with a mean daily average temperature over the month of 108.5 °F (42.5 °C). [34] Four major mountain ranges lie between Death Valley and the ocean, each one adding to an increasingly drier rain shadow effect, and in 1929, 1953, and 1989, no rain was recorded for the whole year. [20]
Death Valley is the fifth-largest American national park and the largest in the contiguous United States. It is also larger than the states of Rhode Island and Delaware combined, and nearly as large as Puerto Rico. [10] In 2013, Death Valley National Park was designated as a dark sky park by the International Dark-Sky Association. [11]
Temperatures have been on the rise for much of the southwestern United States this week, leaving residents to swelter while daily record highs are placed in jeopardy, particularly in California's ...
Sun tanning or tanning is the process whereby skin color is darkened or tanned. It is most often a result of exposure to ultraviolet (UV) radiation from sunlight or from artificial sources, such as a tanning lamp found in indoor tanning beds.
Death Valley in California hit a US record of 134 degrees Fahrenheit (56.6C) in 1913. The US National Weather Service has issued an excessive heat warning, urging people to take “extreme levels ...