Figure 2. Left Panel: IRI Net Assessment forecast issued October 1, 1997 for the October to December period. The numbers in the boxes are the forecast probabilities in percent that the seasonal rainfall will be below normal, normal, or above normal. Right panel: Observed rainfall amounts for the same period displayed as percentages of the long-term average for these three months. Geographical boundaries appear as shaded lines in the left panel and in bold in the right panel.