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California Drought Early Warning System

Conditions for the week of  September 5 – 11

D3 expanded in southeastern CA due to the weak to non-existent summer monsoon rains. While in northern California, D0-D2 shifted eastward into Siskiyou and Modoc Counties.

Read more about the California DEWS

U.S. Drought Monitor - California DEWS

As of September 11, 2018

Author: David Miskus, NOAA/NWS/NCEP/CPC

U.S. Drought Monitor - California DEWS
U.S. Drought Monitor - California DEWS
Drought Conditions (Percent Area)
WeekNoneD0-D4D1-D4D2-D4D3-D4D4
Current
9/11/2018
12.18%87.82%47.97%22.82%4.94%0.00%
Last Week
9/04/2018
13.78%86.22%47.58%22.89%2.77%0.00%
Three Months Ago
6/12/2018
30.39%69.61%37.07%20.75%2.77%0.00%
Start of Calendar Year
1/02/2018
55.70%44.30%12.69%0.00%0.00%0.00%
One Year Ago
9/12/2017
77.88%22.12%8.24%0.04%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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