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Precipitation characteristics of summer storms at high-elevation stations in UtahAuthor(s): Eugene E. Farmer; Joel E. Fletcher
Source: Res. Pap. INT-RP-110. Ogden, UT: U.S. Department of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station. 24 p.
Publication Series: Research Paper (RP)
Station: Intermountain Forest Experiment Station
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DescriptionThis paper presents the results of data analyses for 25 precipitation intensity stations on two study areas in central and north-central Utah located at elevations between 4,350 and 10,150 feet m. s. l. All data were collected during the period May 1 to October 31. Each station has 10 or more years of record; one station has 30 years of record. The following analyses were made: (1) Record consistency; (2) definition of local precipitation zones; (3) intensity-duration-frequency characteristics; (4) 24-hour depths; (5) monthly depths and number of storms; (6) storm occurrence by hour of the day; and (7) storm occurrence by storm duration. The precipitation zone between 6,500 and 8,000 feet m. s. l. is expected to receive the greatest rainfall intensities. There is a trend toward reduced intensities with increasing elevation but the trend is not uniform. However, those precipitation zones that receive the most intense rainfall do not coincide with those zones receiving the greatest depth of rainfall. Generally, rainfall depth increases with elevation, but on one study area the zone that received the greatest depth was not the highest elevation zone. A marked difference in the distribution of storm occurrence by hour between the two study areas is attributed to differences in storm type and to differences in the principal source of summer moisture. Average storm length varies inversely with elevation.
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CitationFarmer, Eugene E.; Fletcher, Joel E. 1971. Precipitation characteristics of summer storms at high-elevation stations in Utah. Res. Pap. INT-RP-110. Ogden, UT: U.S. Department of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station. 24 p.
Keywordsprecipitation data analyses, precipitation intensity stations, rainfall, summer storms
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