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The ultraviolet index, or UV index, is an international standard measurement of the strength of the sunburn-producing ultraviolet (UV) radiation at a particular place and time. It is primarily used in daily and hourly forecasts aimed at the general public.
--UV Index. 4:32PM Sunset. 10 mph F 16 km/h C Wind. 25 ... Fox Weather 1 hour ago Christmas travel tracker: Live maps, airport status, flight delays, forecast and more.
--UV Index. 4:30PM Sunset. 3 mph F 5 km/h C Wind. 21 ° F-6 ° C Dew Point. 10 mi Visibility °F °C. Hourly 10 Days. 10PM 52 ...
Most in a 24-hour period: 230 centimetres (90.6 in) of snow on Mount Ibuki, Japan on 14 February 1927. [ 304 ] Most in one calendar month : 9.91 meters (390 inches) of snow fell in Tamarack, California , in January 1911, leading to a snow depth in March of 11.46 meters (451 inches) (greatest measured in North America).
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.
--UV Index. 3:00PM Sunset. 22 mph F 35 km/h C Wind. 11 ° F-12 ° C Dew Point. 10 mi Visibility °F °C. Hourly 10 Days. 12PM 21 ...
Using satellite data, measurements from the European Space Agency produce similar maps expressed in units of the widely followed UV Index, for locations around the world. [27] Effects of UV-radiation at high latitudes, where snow stays on the ground into early summer and the sun then remains at a low position even at its zenith, have been ...
The higher the UV index, the higher the risk for skin cancer. 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 ...