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<br />. <br /> <br /> <br />'" <br />~ <br /> <br /> <br />WASIlIN610N <br />. ... <br />'" <br />'" <br />~,., II: <br />t; <br /> <br />. <br /> <br /> \ R70W <br />. , , 10 <br />17 IS II 15 <br /> <br />, 6 - <br /> <br />Flooding Characteristics <br /> <br />N <br />A <br />#'O~""Ar'~ '\ <br />6 ~ <br />\\'-111. <br />\~.# <br />"'''''''tcltf' <br /> <br />months. <br /> <br /> <br />Red Canyon Draw is an intermittent stream and is normally dry <br /> <br />except for runoff which occurs from thunderstorms during the summer <br /> <br />Storms which produce floodwater occur during the summer months from <br /> <br />> <br /> <br />April through September. During this period, warm, moist air masses <br /> <br />from the Gulf of Mexico combine with cold and comparatively dry air from <br /> <br />STREET <br /> <br />the polar regions to cause thunderstorms, The storms are characterized <br /> <br />--= <br /> <br />by high rainfall intensities of short duration, producing high peak <br /> <br />T <br />18 <br />S <br /> <br />flows and moderate volumes of water. Frequently, the thunderstorms are <br /> <br />severe and occur over rather 1 imited areas. <br /> <br />III <br />ii: <br /> <br />.orr.CI!. <br />LOWER END <br />OF STUDY <br /> <br />History of Flooding <br /> <br />Information obtained from local residents, newspaper files, and the <br /> <br />:z: <br />... <br />!! <br /> <br />CANON <br />CITY <br />/J-'U/.IC <br /> <br />f- \. ~ <br />III .., <br />'" '" '" <br />J!: f OllC <br />'" <br /> <br />1930, 1934, 1935, 1947, 1948, 1954, 1955,1956, 1957, 1959, 1961, 1965, <br />1966, and 1974. <br /> <br />Weather Bureau shows that flooding has occurred in 1906, 1921, 1929, <br /> <br /> <br />:z: <br />f- <br />!! <br /> <br />~ <br />Ii! <br />o <br /> <br />Most of the flood damages have occurred below the area of study in <br /> <br />1000 0 1000 <br />__ ..4 <br />SCALE <br /> <br />2000 ~OOO <br />IN fEET <br /> <br />4000 <br /> <br />Canon City. The latest flood in 1974, resulted from 1.75 inches of rain <br /> <br />ZI 2 <br />~3 34 <br /> <br />and caused about one-third of a million dollars damage. <br /> <br />U. S. DEPARTMENT 011' AGBICULTlmI <br />SOIL CONSBRVATION savD <br /> <br />The Weather Bureau Station located at Canon City has been in opera- <br /> <br />~ <br /> <br /> <br />FLDOD HAZARD STUDY AREA <br />RED CANYON DRAW <br />FREMONT COUNTY, COLORADO <br /> <br />tion since 1888. The maximum 24-hour precipitation was 4.31 inches in <br />