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Midwest

Conditions for the week of Jan. 4-10

Little or no precipitation fell during the week in most areas as well below normal temperatures dominated the weather in the Midwest. Fortunately much of the region has adequate moisture and surpluses, with abnormal dryness (D0) and drought limited to a few small D0 areas in the Ohio Valley and D0-D1 in Missouri and southern Iowa. In western Ohio and eastern Indiana, however, enough precipitation (0.5-1 inch) fell on the D0 area that short-term deficiencies were negated in most locations. Farther west, 0.2-0.4 inches of precipitation maintained the D0 in central and southern parts of Indiana and Illinois. In Missouri, however, little or no precipitation this week and subnormal precipitation during the past three months (extending southwestward into the south-central Great Plains) has accumulated deficits of 4-8 inches, with Standardized Precipitation Indices (SPIs) at severe to exceptional drought (D2-D4) levels out to four months. USGS stream flows have also dropped into the lower 25th percentile across most of the state. As a result, moderate drought (D1) was greatly expanded in Missouri to cover the largest deficits and most negative SPIs.

Read more about the Midwest Drought Early Warning System

U.S. Drought Monitor - Midwest DEWS

U.S. Drought Monitor - Midwest DEWS
U.S. Drought Monitor - Midwest DEWS
Drought Conditions (Percent Area)
WeekNoneD0-D4D1-D4D2-D4D3-D4D4
Current
1/10/2017
72.99%27.01%11.69%0.00%0.00%0.00%
Last Week
1/03/2017
72.28%27.72%5.96%0.00%0.00%0.00%
Three Months Ago
10/11/2016
89.95%10.05%0.73%0.00%0.00%0.00%
Start of Calendar Year
1/03/2017
72.28%27.72%5.96%0.00%0.00%0.00%
One Year Ago
1/12/2016
99.98%0.02%0.00%0.00%0.00%0.00%

Drought Intensities

  •       None: No Drought
  •       D0: Abnormally Dry
  •       D1: Moderate Drought
  •       D2: Severe Drought
  •       D3: Extreme Drought
  •       D4: Exceptional Drought
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Pie chart describing current drought for this location.
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Showing Data will replace the pie chart below with a data table.
Pie chart describing current drought for this location.