United States and Puerto Rico Author(s):
Pacific Islands and Virgin Islands Author(s):
Estimated Population in Drought Areas:
The southerly flow ahead of the eastern Pacific trough created an atmospheric river event that resulted in half an inch to 2 inches of precipitation across coastal areas from northern California to Washington. While the precipitation was helpful, it did not make up for deficits that have built up over the last several months; parts of Washington are still 10 inches or more below normal over the last 6 months. Severe drought was eliminated over southwest coastal Oregon where rainfall totals exceeded 3 inches and the total for the month was above normal. Much of Montana and parts of the northern Rockies received widespread 1 to 3 inches of precipitation; this resulted in contraction of D0-D2 in Montana. The rest of the West region received little to no precipitation. Abnormal dryness and severe drought expanded in Arizona, and extreme to exceptional drought expanded in southern New Mexico. USDA statistics indicated that three-fourths or more of the topsoil moisture was short or very short in Washington (82%), New Mexico (78%), Montana (77%), and Oregon (74%).
Full Summary
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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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