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CPC Verifications

Forecast 199702-199704

 

Verification Type: categorical precipitation
Tool/Product: seasonal Canonical Corr. Analysis Precip 7.5 mo lead
Region: conus
Averaging Period: 1 season

cat 4 ignored
cat 4 used

contingency table
fcst
obs
2
0
0
2
1
0
1
2
0
0
2
2
3
0
3
6

contingency table
fcst
obs
2
0
0
2
18
17
18
53
0
0
2
2
20
17
20
57

% contingency table
fcst
obs
33
0
0
33
17
0
17
33
0
0
33
33
50
0
50
100

% contingency table
fcst
obs
4
0
0
4
32
30
32
93
0
0
4
4
35
30
35
100

hitrate: 0.667 hitrate: 0.368
bias ratio (>1 overfcst):
0.67 -- 0.67
bias ratio (>1 overfcst):
0.10 3.12 0.10
Heidke skill score: 0.500 Heidke skill score: 0.053
true Heidke skill score: 0.500 true Heidke skill score: 0.095
Kuipers skill score: 0.500 Kuipers skill score: 0.053
true Kuipers skill score: 0.667 true Kuipers skill score: 0.100
threat score:
0.667 0.000 0.667
threat score:
0.100 0.321 0.100
equitable threat score:
0.500 0.000 0.500
equitable threat score:
0.067 0.032 0.067
probability of detection:
0.667 0.000 0.667
probability of detection:
0.100 1.000 0.100
false alarm rate (FAR):
0.000 1.000 0.000
false alarm rate (FAR):
0.000 0.679 0.000
samples: 6 out of 57 samples: 57 out of 57
%coverage: 10.53 %coverage: 100.00