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This research aims to examine the drought conditions in the United States during the 1930s, identifying spatial and temporal patterns.

September 1, 1975

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Drought in the United States, 1931–40

RSRichard H. SkaggsUniversity of Minnesota

Key Points

This research aims to examine the drought conditions in the United States during the 1930s, identifying spatial and temporal patterns.
Applied eigenvalue/eigenvector analysis to identify patterns of drought conditions.
Focused on regions including the northern Rocky Mountains and northern Plains.
Compared moisture conditions across different areas of the U.S.
The most intense drought occurred in the northern Rocky Mountains and northern Plains.
Regions like the Prairie Wedge and Lower Great Lakes showed similar patterns but less severe drought.
Some areas experienced moisture conditions nearly opposite to major drought zones.

Abstract

ABSTRACT The 1930s were generally a decade of widespread drought in the United States. Details of the spatial and temporal patterns of drought conditions were identified by eigenvalue/eigenvector analysis. The most intense drought occurred in the northern Rocky Mountains, the northern Plains, and the central Plains. Other areas such as the Prairie Wedge and the Lower Great Lakes had the same general pattern, but the drought was much less intense. Some areas had moisture conditions nearly the reverse of those in the major drought region.

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Drought in the United States, 1931–40

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