Which of the following statements describes what is required for a forecast to show skill?
A)It must be better than a forecast based on persistence or climatology.
B)It must be accurate over more than 90 percent of the forecast area.
C)It must be accurate to within 2°C of the predicted temperature.
D)It must use the analogue method of forecasting.

Question

Quizplus · Accepted Answer

A forecast must be better than a forecast based on persistence or climatology in order to show skill. Persistence is simply assuming that conditions will stay the same as they have been, while climatology is based on long-term averages and patterns. Therefore, in order for a forecast to be considered skillful, it must be able to improve upon these methods.

Which of the Following Statements Describes What Is Required for a Forecast