For the event o3 (3 to 4 in. of snow) in Table 8.7 find a. The threat score. b. The hit rate. c. The false alarm ratio. d. The bias ratio. Using the 4  4 contingency table in Table 8.7, compute a. The...

For the event o3 (3 to 4 in. of snow) in Table 8.7 find

a. The threat score.

b. The hit rate.

c. The false alarm ratio.

d. The bias ratio.

Using the 4
 4 contingency table in Table 8.7, compute

a. The joint distribution of the forecasts and the observations.

b. The proportion correct.

c. The Heidke Skill Score.

d. The Peirce Skill Score.