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…