United States and Puerto Rico Author(s):
Pacific Islands and Virgin Islands Author(s):
Estimated Population in Drought Areas:
Some further improvements were introduced across roughly the southern two-thirds of the West, a combination of precipitation—especially in the central and southern Rockies—and further analysis and assessment of snow that fell during the impressively wet winter of 2022-23. In fact, recent warmth has caused some rapid melting of high-elevation snowpack, leading to some flooding. In south-central Idaho, for example, the Big Wood River at Hailey recently rose more than 2 feet above flood stage to reach its highest level since May 2017. The northern tier of the western U.S. received less winter precipitation, and in combination with the recent early-season heat wave, has experienced the return of patchy dryness (D0). During the week ending May 21, topsoil moisture rated very short to short by the U.S. Department of Agriculture increased from 32 to 47% in Oregon and 23 to 40% in Washington.
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The National Drought Mitigation Center’s mission is to reduce the effects of drought on people, the environment and the economy by researching the science of drought monitoring and the practice of drought planning. We collaborate with and learn from decision-makers at all levels – individual ranchers, communities, regions, watersheds, tribes, states, countries – across the US and around the world. We organize and present workshops, writeshops and other capacity-building activities, in close cooperation with local partners.
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