Table 2 Drought severity using SPI/SPEI indices9
Drought severity levels | SPI/SPEI value |
---|---|
No drought | SPI/SPEI > -1 |
Moderate drought | −1.0 ≥ SPI/SPEI > −1.5 |
Severe drought | −1.5 ≥ SPI/SPEI > −2.0 |
Extreme drought | −2.0 ≥ SPI/SPEI |