Floods of May 1978 in southeastern Montana and northeastern Wyoming
Professional Paper
1244
By: Charles Parrett, D.D. Carlson, G. S. Craig, and E.H. Chin
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Abstract
Heavy rain and some snow fell on previously saturated ground over southeastern Montana and northeastern Wyoming during May 16-19, 1978. The maximum amount of 7.60 inches within a 72-hour period observed at Lame Deer, Montana, set a record for the month of May in that region. Heavy flooding occurred in the drainages of the Yellowstone River and its tributaries as well as the Belle Fourche, Cheyenne, and North Platte Rivers. The previous maximum flood of record was exceeded at 48 gaged sites, and the 1-percent chance flood was equaled or exceeded at 24 sites. Flood damage was extensive, exceeding $33 million. Nineteen counties in the two States were declared major disaster areas. Mean daily suspended-sediment discharges exceeded previously recorded maximum mean daily values at four sites on the Powder River. The maximum daily suspended-sediment discharge of 2,810,000 tons per day occurred on May 20 at the Site Powder River near Arvada, Wyoming. (USGS)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Floods of May 1978 in southeastern Montana and northeastern Wyoming |
| Series title | Professional Paper |
| Series number | 1244 |
| DOI | 10.3133/pp1244 |
| Edition | - |
| Year Published | 1984 |
| Language | ENGLISH |
| Publisher | U.S. G.P.O. ; For sale by the Distribution Branch, U.S. Geological Survey, |
| Description | 74 p. |
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