Hydrologists recently updated the model that forecasts the level of Lake Powell. These projections are critical for planning for an increasingly dry future in the Colorado River Basin, but a new paper from Utah State University says the model may still underestimate the risk. KNAU’s Melissa Sevigny reports.
The model is based on weather conditions over a thirty-year span. That reference period is updated once a decade; it now begins in the 1990s. But a long-term drying trend began in the year 2000...