drought experts

How Is A Drought Measurable?

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How Is A Drought Measurable? Drought indices take thousands of bits of data on rainfall, snowpack, streamflow, etc., analyze the data over various time frames, and turn the data into a comprehensible big picture. A drought index value is typically a single number, which is interpreted on a scale of abnormally wet, average, and abnormally

How Do You Interpret Palmer Drought Severity Index?

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How Do You Interpret Palmer Drought Severity Index? The magnitude of PDSI indicates the severity of the departure from normal conditions. A PDSI value >4 represents very wet conditions, while a PDSI <-4 represents an extreme drought. How do you read a drought index? The PDSI is a standardized index based on a simplified soil