CPC Banner
 

CPC Verifications

Forecast 199604-199606

 

Verification Type: categorical precipitation
Tool/Product: seasonal Optimal Climate Normal Precip 8.5 mo lead
Region: conus
Averaging Period: 1 season

cat 4 ignored
cat 4 used

contingency table
fcst
obs
0
0
0
0
0
0
0
0
0
1
3
4
0
1
3
4

contingency table
fcst
obs
0
0
0
0
11
21
21
53
0
1
3
4
11
22
24
57

% contingency table
fcst
obs
0
0
0
0
0
0
0
0
0
25
75
100
0
25
75
100

% contingency table
fcst
obs
0
0
0
0
19
37
37
93
0
2
5
7
19
39
42
100

hitrate: 0.750 hitrate: 0.421
bias ratio (>1 overfcst):
-- 0.00 1.33
bias ratio (>1 overfcst):
0.00 2.41 0.17
Heidke skill score: 0.625 Heidke skill score: 0.132
true Heidke skill score: 0.000 true Heidke skill score: 0.053
Kuipers skill score: 0.625 Kuipers skill score: 0.132
true Kuipers skill score: 0.000 true Kuipers skill score: 0.051
threat score:
0.000 0.000 0.750
threat score:
0.000 0.389 0.120
equitable threat score:
0.000 0.000 0.000
equitable threat score:
0.000 0.016 0.056
probability of detection:
0.000 0.000 1.000
probability of detection:
0.000 0.955 0.125
false alarm rate (FAR):
0.000 0.000 0.250
false alarm rate (FAR):
0.000 0.604 0.250
samples: 4 out of 57 samples: 57 out of 57
%coverage: 7.02 %coverage: 100.00