Eric Floehr founder - forecastadvisor.com quoted in Smart Money magazine

From smartmoney

10 Things Weather Forecasters Won't Say

1. “Long-term forecast? Your guess is as good as ours.”

WEATHER FORECASTERS have gotten pretty good at nailing the outlook two to three days ahead. The problem is, “everyone wants to know what the weather is going to do next weekend,” says Paul Karpowicz, president of the Meredith Broadcasting Group, and forecasting the weather a week or more down the road isn’t so easy.

Eric Floehr, founder of ForecastAdvisor, which tracks the accuracy of predictions, looked at high-temperature forecasts from the National Weather Service, AccuWeather and other organizations for 2008 and compared their
numbers with actual temperatures. When predicting highs for the following day, they were off by about three degrees; when forecasting nine days out, they missed by nearly seven degrees....click here for the rest of the story

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ForecastWatch calculates the accuracy, skill, and quality of weather forecasts. We collect over 40,000 forecasts each day from Accuweather, the National Weather Service, MyForecast, Weather.com, and others for over 800 U.S. cities and 20 Canadian cities and compare them with what actually happened. With this information, we help weather forecast companies, businesses, and individuals: