Which of the following statements is wrong? a. If atmospheric conditions favor hazardous weather occurring over a particular region during a specified time period, but the actual location and timing of the occurrence is uncertain, a warning will be issued to inform the public. Ob. The computer forecast models tend to do a better job at predicting temperature than precipitation. Oc. The trend forecast assumes surface weather systems tend to move in the same direction and at approximately the same speed as they have been moving, .if there is no evidence to indicate otherwise. d. Medium-range (3 to 8 days) forecasts are almost entirely based on computer-derived products, such as forecast charts and statistical forecasts.