Weather tools
Drought Index Calculator
Calculates a drought index based on rainfall data, evapotranspiration, and other factors, providing an indication of drought severity.
Before you use this tool
Use this if
- Calculates a drought index based on rainfall data, evapotranspiration, and other factors, providing an indication of drought severity.
- You want a calculation that exposes its formula: N/A (Drought index formulas vary depending on the specific index used).
- You already have Location values to enter.
Skip this if
- You need an official emergency alert or life-safety instruction.
- You need a certified professional forecast instead of a calculator estimate.
When to use or skip it
Use this if
- Calculates a drought index based on rainfall data, evapotranspiration, and other factors, providing an indication of drought severity.
- You want a calculation that exposes its formula: N/A (Drought index formulas vary depending on the specific index used).
- You already have Location values to enter.
Skip this if
- You need an official emergency alert or life-safety instruction.
- You need a certified professional forecast instead of a calculator estimate.