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California Drought Early Warning System

Conditions for the week of November 14-20

In California, a number of indicators showed moderate drought or worse conditions across the state indicated worsening conditions across parts of coastal, central, and northeastern California. D1 was expanded from central coastal California, across northeast California and a sliver of D3 was added to Santa Barbara and Ventura Counties, to reflect these conditions and indicators. Except for northern California, reservoir levels in California were near or above average, indicating that the state’s water managers have done an excellent job managing water resources during the significant drought of the last several years.

Read more about the California DEWS

U.S. Drought Monitor - California DEWS

As of November 20, 2018

Author: Richard Heim, NCEI/NOAA

U.S. Drought Monitor - California DEWS
U.S. Drought Monitor - California DEWS
Drought Conditions (Percent Area)
WeekNoneD0-D4D1-D4D2-D4D3-D4D4
Current
11/20/2018
0.00%100.00%77.62%18.36%3.78%0.00%
Last Week
11/13/2018
0.00%100.00%53.20%18.35%2.39%0.00%
Three Months Ago
8/21/2018
13.78%86.22%47.19%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%
Start of Water Year
10/02/2018
12.18%87.82%47.97%22.82%4.93%0.00%
One Year Ago
11/21/2017
73.98%26.02%8.24%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.