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Transit Mix Concrete Co. <br />K.1 GENERAL CONDITIONS <br />Colorado Springs is in a continental climatic condition with warm summers and cool to cold <br />winters. Precipitation is considered semi -arid. The wind factor is above national averages <br />meaning it is windier than the average for the United States. Humidity is usually low to <br />moderate throughout the year and therefore evapotranspiration rates are moderate to high. <br />Snowfall in winter is moderate when compared to other locations in Colorado. <br />Perhaps the most distinguishing characteristic of the Colorado Springs climate is the frequency <br />and intensity of thunderstorms during summer. Colorado Springs, according to weather <br />records, is the most thunderstorm prone city west of the Mississippi River followed closely by <br />Flagstaff, Arizona and Garden City, Kansas. Although the city itself has never experienced a <br />super -thunderstorm, the Palmer Divide a few miles north of Colorado Springs has experienced <br />some of the most severe thunderstorms on record anywhere in the world. <br />On May 30, 1935, Elbert, located 35 miles northeast of Colorado Springs, received 24 inches of <br />rain in 24 hours and most of it fell in only 3 hours. Colorado Springs itself received 7 inches of <br />rain in 24 hours on the same date from a related storm to the one that affected Elbert. <br />Monument to the north of Colorado Springs received 14 inches of rain in 24 hours on June 16, <br />1965. In September 2013, Fort Carson reported received nearly 19 inches of precipitation, and <br />Colorado Springs received 10 inches of rain. <br />During the summer, thunderstorms that drop an inch or two of rain in periods of under an hour <br />are not uncommon. But the super -thunderstorms usually occur north of the city in the Black <br />Forest area. <br />Another important feature of the Colorado Springs climate is the monthly distribution pattern of <br />moisture, especially during the growing season. Unlike most areas along the Front Range <br />Urban Corridor, Colorado Springs usually experiences only minor drought periods during the <br />growing season. In contrast, Pueblo and Denver both experience moderate to severe drought <br />conditions from June through August. The pattern in Colorado Springs is similar to what occurs <br />much farther east near the Kansas border or further up in the mountains. In this sense, <br />Colorado Springs has a favorable precipitation pattern for the growth and development of <br />vegetation on disturbed lands. <br />On the downside, much of that moisture comes in quick and occasionally intense storms that <br />exhibit heavy runoff and only moderate soil absorption. The Colorado Springs climate produces <br />generally reliable moisture, but much of that moisture is not as effective as suggested by the <br />numbers. Furthermore, monthly evaporation exceeds precipitation every month of the year <br />(Table K-1). Nevertheless, the climate can induce a higher proportion of cool season <br />dependent species in the natural vegetation than would be expected elsewhere along the Front <br />Range Urban Corridor. <br />Hitch Rack Ranch Quarry Permit Application <br />February 19, 2016 K-2 <br />