Nationwide
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As Tropical Storm Isaias made its way up the east coast, many areas in the Northeast were beneficiaries of good precipitation amounts, but others missed out altogether.
In typical summer fashion, rains were hit and miss across the country, with the West and into the southern Plains as well as most areas of the South mainly being missed. Mixed precipitation was recorded through the Plains and Midwest as well as portions of the Southeast.
An intense derecho ripped across the Midwest on August 10th with over 100 mph straight-line winds damaging crops and property.
Temperatures were cooler than normal over much of the Midwest and High Plains, with portions of Missouri and Illinois 6-8 degrees below average for the week. Temperatures were near usual along much of the east coast and 6-8 degrees above normal over west Texas and into New Mexico.
The West
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Much of the West was dry this week, with just some spotty summer rains along the coast and very spotty monsoonal rains in the Southwest.
Temperatures were cooler than average over southern Nevada and southern California and into the Pacific Northwest and the northern Rocky Mountains. This was not the case in Arizona and New Mexico, where temperatures continued to be well above normal, with departures of 3-5 degrees above normal.
In Oregon, severe and extreme drought conditions were expanded slightly to account for the continued dry conditions throughout the current water year. Southern Utah and western Colorado had severe and extreme drought expand this week along with moderate drought in northeast Utah and northwest Colorado.
Extreme drought was also expanded over southeast Nevada. Extreme drought was improved over southern Colorado in response to some rains in the area easing conditions. Moderate to severe drought was also expanded over most of central Colorado. Abnormally dry conditions were expanded over western Wyoming as well.
The High Plains
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Spotty precipitation was frequent through the area, with dry conditions through most of Kansas and Nebraska and above-normal rainfall in central North Dakota, central to southeast South Dakota and northeast Wyoming pockets northwest South Dakota.
Temperatures were cooler than normal over the eastern portions of the region to normal to slightly above the western portions.
This week’s changes to drought status include an expansion of severe drought in both western and eastern Nebraska, expansion of moderate drought and abnormally dry conditions in central Nebraska, expansion of moderate drought in western Nebraska, and some improvement of unusually dry conditions in the central portion of the state. — U.S. Drought Monitor
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