AccuWeather issues 90-day forecasts and meteorologists are not amused

The ability to throw more computer processing power at forecast models has substantially improved the ability of meteorologists to predict the weather. A recent analysis found that a modern five-day forecast is as accurate as three-day forecast was in 1995. In the last three decades, thanks largely to numerical weather prediction, the useful window of forecasting has moved out from about 7 days to 10 days.

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