{"atlasHref":"/atlas?mode=history&f=drought&d=2026-08-25","datasetPath":"/data/research/county-drought-change.json","effectivePeriod":{"end":"2026-08-25","start":"2025-08-26"},"keyResult":{"largestChanges":[{"county":"Cochise","d2AreaCurrent":0.0,"d2AreaPrior":100.0,"fips":"04003","percentagePointChange":-100.0},{"county":"Santa Cruz","d2AreaCurrent":0.0,"d2AreaPrior":100.0,"fips":"04023","percentagePointChange":-100.0},{"county":"Benton","d2AreaCurrent":100.0,"d2AreaPrior":0.0,"fips":"05007","percentagePointChange":100.0},{"county":"Los Angeles","d2AreaCurrent":0.0,"d2AreaPrior":100.0,"fips":"06037","percentagePointChange":-100.0},{"county":"Orange","d2AreaCurrent":0.0,"d2AreaPrior":100.0,"fips":"06059","percentagePointChange":-100.0},{"county":"San Diego","d2AreaCurrent":0.0,"d2AreaPrior":100.0,"fips":"06073","percentagePointChange":-100.0},{"county":"Ventura","d2AreaCurrent":0.0,"d2AreaPrior":100.0,"fips":"06111","percentagePointChange":-100.0},{"county":"Baca","d2AreaCurrent":100.0,"d2AreaPrior":0.0,"fips":"08009","percentagePointChange":100.0},{"county":"Bent","d2AreaCurrent":100.0,"d2AreaPrior":0.0,"fips":"08011","percentagePointChange":100.0},{"county":"Broomfield","d2AreaCurrent":100.0,"d2AreaPrior":0.0,"fips":"08014","percentagePointChange":100.0},{"county":"Crowley","d2AreaCurrent":100.0,"d2AreaPrior":0.0,"fips":"08025","percentagePointChange":100.0},{"county":"El Paso","d2AreaCurrent":100.0,"d2AreaPrior":0.0,"fips":"08041","percentagePointChange":100.0},{"county":"Kiowa","d2AreaCurrent":100.0,"d2AreaPrior":0.0,"fips":"08061","percentagePointChange":100.0},{"county":"Otero","d2AreaCurrent":100.0,"d2AreaPrior":0.0,"fips":"08089","percentagePointChange":100.0},{"county":"Prowers","d2AreaCurrent":100.0,"d2AreaPrior":0.0,"fips":"08099","percentagePointChange":100.0},{"county":"Pueblo","d2AreaCurrent":100.0,"d2AreaPrior":0.0,"fips":"08101","percentagePointChange":100.0},{"county":"Sedgwick","d2AreaCurrent":100.0,"d2AreaPrior":0.0,"fips":"08115","percentagePointChange":100.0},{"county":"Teller","d2AreaCurrent":100.0,"d2AreaPrior":0.0,"fips":"08119","percentagePointChange":100.0},{"county":"Weld","d2AreaCurrent":100.0,"d2AreaPrior":0.0,"fips":"08123","percentagePointChange":100.0},{"county":"Alachua","d2AreaCurrent":100.0,"d2AreaPrior":0.0,"fips":"12001","percentagePointChange":100.0}]},"limitations":["D2 is a cumulative area threshold, not a city condition or water-supply measure.","County area distributions do not describe every place within a county."],"methodology":"Subtract prior D2-or-greater county-area percentage from current D2-or-greater percentage; rank by absolute percentage-point change with FIPS tie breaks.","question":"Which U.S. counties had the largest absolute change in area at D2 or greater between comparable weekly U.S. Drought Monitor frames?","researchId":"county-drought-change","route":"/research/county-drought-change","sourceFamilies":["US_DROUGHT_MONITOR"],"title":"Where county drought area changed most over the latest comparable year","universe":"Counties present in both official weekly frames (3,144 matched counties)"}