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CPC Verifications

Forecast 199702

 

Verification Type: categorical precipitation
Tool/Product: monthly Optimal Climate Normal Precip
Region: conus
Averaging Period: 1 month

cat 4 ignored
cat 4 used

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

contingency table
fcst
obs
0
0
0
0
24
18
14
56
0
0
1
1
24
18
15
57

% contingency table
fcst
obs
0
0
0
0
33
0
33
67
0
0
33
33
33
0
67
100

% contingency table
fcst
obs
0
0
0
0
42
32
25
98
0
0
2
2
42
32
26
100

hitrate: 0.333 hitrate: 0.333
bias ratio (>1 overfcst):
0.00 -- 0.50
bias ratio (>1 overfcst):
0.00 3.11 0.07
Heidke skill score: 0.000 Heidke skill score: 0.000
true Heidke skill score: 0.143 true Heidke skill score: 0.027
Kuipers skill score: 0.000 Kuipers skill score: 0.000
true Kuipers skill score: 0.250 true Kuipers skill score: 0.028
threat score:
0.000 0.000 0.500
threat score:
0.000 0.321 0.067
equitable threat score:
0.000 0.000 0.250
equitable threat score:
0.000 0.008 0.050
probability of detection:
0.000 0.000 0.500
probability of detection:
0.000 1.000 0.067
false alarm rate (FAR):
0.000 1.000 0.000
false alarm rate (FAR):
0.000 0.679 0.000
samples: 3 out of 57 samples: 57 out of 57
%coverage: 5.26 %coverage: 100.00