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Abstract In order to decide whether or not a weather service supplier is giving good value for money we need to monitor the quality of the forecasts and the use that is made of the forecasts to estimate their value. A number of verification statistics are examined to measure the quality of forecasts –including Miss Rate, False Alarm Rate, the Peirce Skill Score and the Odds Ratio Skill Score –and a means of testing the significance of these values is presented. In order to assess the economic value of the forecasts a value index is suggested that takes into account the cost‐loss ratio and forecast errors. It is suggested that a combination of these quality and value statistics could be used by weather forecast customers to choose the best forecast provider and to set limits for performance related contracts. Copyright © 2001 Royal Meteorological Society
Thornes et al. (Sat,) studied this question.