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US Drought Monitor Weekly Update



Current U.S. Drought Monitor



The following is the text forecast released today for our region in the weekly drough monitor.

The Midwest and Central Great Plains

Widespread rains from Minnesota to Kansas prompted the removal or reduction of drought across much of the Midwest and Central Great Plains. D1 was removed from most of Pipestone and Nobles Counties in Minnesota as rains up to 3.2 inches fell.

Across Iowa, some rains fell throughout the week, which helped alleviate drought conditions for much of the state. The remaining drought conditions are tied to longer term soil moisture deficits, linked to a dry second half of 2013. Page, Washington, and Calhoun Counties reported 12-month precipitation totals at about the 7th, 10th, and 5th percentile, respectively.

The moderate to heavy rains (0.6 – 5.1 inches) that fell across much of Nebraska resulted in drought reduction. Deeper profiles into the soil are still showing dryness, so the reduction was tempered by the long-term conditions, although the Extreme Drought (D3) was removed from central Nebraska as those areas received enough rains to recharge soil moisture down to 2-3 feet, according to calculations by the Nebraska State Climatologist.

Abnormally dry conditions were removed from Illinois and Missouri as well. Rains there were more widespread but slightly less intense (1.5 - 4.9 inches), resulting in recharges of soil moisture and increased runoff. The discharge of the La Moine River went from 30cfs to 3,000 cfs in a couple of days and is now above median since June 4 at Collmar, IL. The surrounding subsoils are still dry. According to NASS, the rains greatly improved the topsoil but did not make much difference to subsoil moisture in western Illinois. The percentages of subsoil in very short (23%) to short (46%) is a slight improvement from the week before, with field tiles not running yet, according to reports out of the Illinois State Climatologist’s office. In Missouri, COOP stations and the University of Missouri Agricultural sit at Novelty reported rainfall amounts of nearly 5 inches, with widespread 2-4 inches for the week across Central Missouri, prompting the removal of D0.

A 1-category improvement was implemented for most of eastern Kansas due to the widespread rains, with the rains missing much of western Kansas. Long-term subsoil moisture deficits continue to plague that state as well, so D3 (Extreme drought conditions were retained across western and southern Kansas with NASS reporting an 18 percentage point drop in topsoil reported as Short or Very Short of moisture, but 66 percent of subsoil reports indicating Short or Very Short conditions.


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