The US Drought Monitor produces an assessment of drought conditions every week. The drought in California has taken a large jump over the last few days, with the highest category, “Exceptional,” jumping from 36.49% to 58.41%. At the start of the calendar year, that category was represented in California by 0%, so this is a continuation of an ongoing trend. The image above is the current map from US Drought Monitor.
I made a couple of other graphics that demonstrate the problem.
This is the percent area in California covered by severe to exceptional drought since the most recent time that this percentage was at zero, near the end of 2011.
Read more here: http://scienceblogs.com/gregladen/2014/07/31/california-is-clearly-exceptional-but-not-in-a-good-way-drought/
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