Table 2 Drought severity information in both the original standardized scale and their corresponding D-scale.
From: Global integrated drought monitoring and prediction system
Standardized index | D-scale | Description |
|---|---|---|
−0.50 to −0.79 | D0 | Abnormally dry |
−0.80 to −1.29 | D1 | Moderate drought |
−1.30 to −1.59 | D2 | Severe drought |
−1.60 to −1.99 | D3 | Extreme drought |
−2.0 or less | D4 | Exceptional drought |
