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CPC Verifications

Forecast 199609-199611

 

Verification Type: categorical precipitation
Tool/Product: seasonal Official Categorical Precip 4.5 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
4
0
2
6
4
0
2
6

contingency table
fcst
obs
0
0
0
0
19
23
57
99
4
0
2
6
23
23
59
105

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

% contingency table
fcst
obs
0
0
0
0
18
22
54
94
4
0
2
6
22
22
56
100

hitrate: 0.333 hitrate: 0.238
bias ratio (>1 overfcst):
0.00 -- 3.00
bias ratio (>1 overfcst):
0.00 4.30 0.10
Heidke skill score: 0.000 Heidke skill score: -0.143
true Heidke skill score: 0.000 true Heidke skill score: -0.001
Kuipers skill score: 0.000 Kuipers skill score: -0.143
true Kuipers skill score: 0.000 true Kuipers skill score: -0.001
threat score:
0.000 0.000 0.333
threat score:
0.000 0.232 0.032
equitable threat score:
0.000 0.000 0.000
equitable threat score:
0.000 0.017 -0.023
probability of detection:
0.000 0.000 1.000
probability of detection:
0.000 1.000 0.034
false alarm rate (FAR):
0.000 0.000 0.667
false alarm rate (FAR):
0.000 0.768 0.667
samples: 6 out of 105 samples: 105 out of 105
%coverage: 5.71 %coverage: 100.00