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Trends in April 1 Snow Water Equivalent 1950 to 2002
April 1 snowpack (a key indicator of natural water storage available for the warm season) has declined throughout the Northwest. In the Cascade Mountains, April 1 snowpack declined by an average of 25 percent, with some areas experiencing up to 60 percent declines. On the map, decreasing trends are in red and increasing trends are in blue.1 Image Reference: University of Washington2
References
- 1. [491] Mote, P. W., A. F. Hamlet, M. P. Clark, and D. P. Lettenmaier. "Declining Mountain Snowpack in Western North America." Bulletin of the American Meteorological Society 86, no. 1 (2005): 39-49.
- 2. [490] various. footnote 490., 2009.
Summary
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