Drought Severity Classification


Drought Severity Classification : Category C:D0, Description D: Abnormally Dry, % of Normal Precipitation %NP: <75% for 3 months, Possible Impacts PI: Short-term dryness slowing planting, growth of crops or pastures; fire risk above average; C: D1, D: Moderate Drought, %NP: <70% for 3 months, PI: Damage to crops, pastures; fire risk high; streams, reservoirs, or wells loss, some water shortages developing or imminent; C: D2, D: Severe Drought, %NP: <65% for 6 months, PI: Crop or pasture losses likely; fire risk very high; water shortages common; C: D3, D: Extreme Drought, %NP: <60% for 6 months, PI: Major crop/pasture losses; extreme fire danger; widespread water shortages; C: D4, D: Exceptional Drought, %NP: <65% for 12 months, PI: Exceptional and Widespread crop/pasture losses; exceptional fire risk; shortages of water in reservoirs, streams, and wells, creating water emergencies
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