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California Drought Early Warning System

Conditions for the week of November 27 – December 3, 2019

The two storms brought record-breaking precipitation to the Southwest, resulting in widespread one-category improvements in southern California.   Heavy precipitation helped erase short-term precipitation deficits, replenished soil moisture, and improved streamflow conditions. Despite the significant precipitation, much of California was left in D0 (abnormal dryness) after consultation with the state drought monitoring team.  While the precipitation has helped improve conditions, water year to date deficits remain.​

Read more about the California DEWS

U.S. Drought Monitor - California DEWS

U.S. Drought Monitor - California DEWS
U.S. Drought Monitor - California DEWS
Drought Conditions (Percent Area)
WeekNoneD0-D4D1-D4D2-D4D3-D4D4
Current
12/03/2019
14.74%85.26%0.01%0.00%0.00%0.00%
Last Week
11/26/2019
9.22%90.78%3.31%0.01%0.00%0.00%
Three Months Ago
9/03/2019
90.94%9.06%1.09%0.00%0.00%0.00%
Start of Calendar Year
1/01/2019
7.77%92.23%75.17%14.12%2.10%0.00%
Start of Water Year
10/01/2019
95.29%4.71%2.06%0.00%0.00%0.00%
One Year Ago
12/04/2018
7.77%92.23%79.69%18.34%3.78%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.