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Weather Underground uses observations from over 250,000 personal weather stations worldwide. [21] The Weather Underground's WunderMap overlays weather data from personal weather stations and official National Weather Service stations on a Mapbox Map base and provides many interactive and dynamically updated weather and environmental layers. [22]
This is an accepted version of this page This is the latest accepted revision, reviewed on 3 February 2025. American professor and activist For the American baseball pitcher, see Bill Ayers (baseball). For the Catholic priest, radio host, and hunger activist, see Bill Ayres. Bill Ayers Ayers in 2012 Born William Charles Ayers (1944-12-26) December 26, 1944 (age 80) Glen Ellyn, Illinois, U.S ...
Microsoft's Aurora system offers global 10-day weather and 5-day air pollution (CO 2, NO, NO 2, SO 2, O 3, and particulates) forecasts with claimed accuracy similar to physics-based models, but at orders-of-magnitude lower cost. Aurora was trained on more than a million hours of data from six weather/climate models.
Weather maps are created by detecting, plotting and tracing the values of relevant quantities such as sea-level pressure, temperature, and cloud cover onto a geographical map to help find synoptic scale features such as weather fronts. [7] Surface weather analyses have special symbols which show frontal systems, cloud cover, precipitation, or ...
The Weather Underground was a far-left Marxist militant organization first active in 1969, founded on the Ann Arbor campus of the University of Michigan. [2] [page needed] Originally known as the Weathermen, the group was organized as a faction of Students for a Democratic Society (SDS) national leadership. [3]
[47] In 2007, Watts launched the Surface Stations project, encouraging volunteers to take photographs of weather stations in the U.S. Historical Climatology Network to record their condition. [ 9 ] [ 11 ] [ 48 ] By 2009, around 650 volunteers had reported on around 70% of the 1,221 stations, and suggested most were below "good or best" reliability.
(Black Liberation Army and Weather Underground members) The 1981 Brink's robbery was an armed robbery and three related murders committed on October 20, 1981, by several Black Liberation Army members and four former members of the Weather Underground , who were at the time associated with the May 19th Communist Organization .