Five Years of Drought
This is a map showing over five years of drought data (285 weeks, combined into a single view) in the United States.
The dots are proportionally sized by the amount of time over the past five years spent in drought (the largest dots representing 80% – 100% of the time), and the color is a weighted value of the overall intensity of those droughts (deep purple indicates frequent “exceptional” drought, the most severe category).
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CreditsJohn Nelson
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