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California Drought Early Warning System

Conditions for the week of April 12-18

In California, Pacific storms continue to bring precipitation in the form of high-elevation snow and valley rains to the region. These moisture-laden storms are crucial for summer water resources as the runoff feeds into the streams and reservoirs. Forecasted stream flows for California river basins generally show much-above normal volumes through the summer months.  

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
4/18/2017
76.54%23.46%8.24%1.06%0.00%0.00%
Last Week
4/11/2017
76.54%23.46%8.24%1.06%0.00%0.00%
Three Months Ago
1/17/2017
35.56%64.44%57.51%44.35%24.30%2.13%
Start of Calendar Year
1/03/2017
18.07%81.93%67.61%54.02%38.17%18.31%
One Year Ago
4/19/2016
4.24%95.76%90.09%74.37%49.15%21.04%

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.