byMinnis, Patrick; Ayers, J. Kirk; Weaver, Steven P
Surface observers stationed at 19 U.S. Air Force Bases and Army Air Stations recorded the daytime occurrence of contrails and cloud fraction on an hourly basis for the period April 1993 through April 1994. Each observation uses one of four main categories to report contrails as unobserved, non-persistent, persistent, and indeterminate. Additional classification includes the co-occurrence of cirrus with each report. The data cover much of the continental U.S. including locations near major... Topics: ARCHITECTURE (COMPUTERS), RISC PROCESSORS, MULTIPROGRAMMING, SWITCHING, SWITCHES, MATHEMATICAL...