Some Observations on Mountain-Generated Cumulonimbus Rainfall on the Northern Great Plains

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  • 1 High Plains Cooperative Program, Bureau of Reclamation, Miles City, MT 59301
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Abstract

A study of the influence of mountain-generated cumulonimbus systems on the rainfall of the northern Great Plains, using daily rainfalls and satellite images, has shown the seasonal variations and areal extent of the rain swaths. Rainfall from these systems is greatest during June and July. The greatest rainfalls occur ∼400 km northeast from the eastern boundaries of the mountains; the rain then decreases to beyond 1000 km.

Abstract

A study of the influence of mountain-generated cumulonimbus systems on the rainfall of the northern Great Plains, using daily rainfalls and satellite images, has shown the seasonal variations and areal extent of the rain swaths. Rainfall from these systems is greatest during June and July. The greatest rainfalls occur ∼400 km northeast from the eastern boundaries of the mountains; the rain then decreases to beyond 1000 km.

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