Short‐Duration Precipitation for Billings, Montana
Publication: Journal of Hydraulic Engineering
Volume 112, Issue 11
Abstract
Urban storm drain design in Montana and throughout the 11 western states is frequently based on precipitation values determined from NOAA Atlas 2. A statistical analysis of 44 yrs of data for Billings, Montana indicates significant differences from NOAA Atlas 2 for durations between 5 mins and 30 mins. The values in NOAA Atlas 2 understate the magnitude of some return period values in Billings by as much as 69%. Peak runoff rates based on precipitation data at Billings are as much as 71% greater than rates based on precipitation from NOAA Atlas 2.
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References
1.
Frederick, R. H., Myers, V. A., and Auciello, E. P., “Five‐ to 60‐Minute Precipitation Frequency for the Eastern and Central United States,” NOAA Technical Memorandum NWS HYDRO‐35, National Weather Service, June, 1977.
2.
Hershfield, D. M., “Rainfall Frequency Atlas of the United States,” Technical Paper No. 40, U.S. Weather Bureau, May, 1961.
3.
Miller, J. F., Frederick, R. H., and Tracey, R. J., “Precipitation‐Frequency Atlas of the Western United States,” NOAA Atlas 2, Volume I—Montana, National Weather Service, 1973.
4.
U.S. Weather Bureau, Climatological Data, National Summary, 1950.
5.
U.S. Weather Bureau, United States Meteorological Yearbook, National Summary, 1943–1949.
Information & Authors
Information
Published In
Journal of Hydraulic Engineering
Volume 112 • Issue 11 • February 1986
Pages: 1089 - 1093
Copyright
Copyright © 1986 ASCE.
History
Published online: Feb 1, 1986
Published in print: Feb 1986
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