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CPC Verifications

Forecast 200101

 

Verification Type: categorical precipitation
Tool/Product: monthly Official Categorical Precip
Region: conus
Averaging Period: 1 month

cat 4 ignored
cat 4 used

contingency table
fcst
obs
6
0
0
6
0
0
0
0
9
8
4
21
15
8
4
27

contingency table
fcst
obs
6
0
0
6
30
26
26
82
9
8
4
21
45
34
30
109

% contingency table
fcst
obs
22
0
0
22
0
0
0
0
33
30
15
78
56
30
15
100

% contingency table
fcst
obs
6
0
0
6
28
24
24
75
8
7
4
19
41
31
28
100

hitrate: 0.370 hitrate: 0.330
bias ratio (>1 overfcst):
0.40 0.00 5.25
bias ratio (>1 overfcst):
0.13 2.41 0.70
Heidke skill score: 0.056 Heidke skill score: -0.005
true Heidke skill score: 0.173 true Heidke skill score: 0.029
Kuipers skill score: 0.056 Kuipers skill score: -0.005
true Kuipers skill score: 0.226 true Kuipers skill score: 0.030
threat score:
0.400 0.000 0.190
threat score:
0.133 0.289 0.085
equitable threat score:
0.229 0.000 0.050
equitable threat score:
0.083 0.007 -0.043
probability of detection:
0.400 0.000 1.000
probability of detection:
0.133 0.765 0.133
false alarm rate (FAR):
0.000 0.000 0.810
false alarm rate (FAR):
0.000 0.683 0.810
samples: 27 out of 109 samples: 109 out of 109
%coverage: 24.77 %coverage: 100.00