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An inside look: Flood forecasting takes charts, graphs and constant adjustments

Ever notice that flood forecasts in the Red River Valley seem to change daily and sometimes seem as variable as TV weather reports?

Ever notice that flood forecasts in the Red River Valley seem to change daily and sometimes seem as variable as TV weather reports? MPR’s Tim Nelson did, and prepared a story about the flood forecasting business.

They use rating curves and graphs, and, of course, there’s the hysteresis effect.

But if you want to know about the Kansas City Antecedent Precipitation Index, you’ll have to read Tim’s story.