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CPC Verifications

Forecast 199702

 

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
2
4
0
6
0
0
0
0
0
0
0
0
2
4
0
6

contingency table
fcst
obs
2
4
0
6
32
37
31
100
0
0
0
0
34
41
31
106

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

% contingency table
fcst
obs
2
4
0
6
30
35
29
94
0
0
0
0
32
39
29
100

hitrate: 0.333 hitrate: 0.368
bias ratio (>1 overfcst):
3.00 0.00 --
bias ratio (>1 overfcst):
0.18 2.44 0.00
Heidke skill score: 0.000 Heidke skill score: 0.052
true Heidke skill score: 0.000 true Heidke skill score: -0.025
Kuipers skill score: 0.000 Kuipers skill score: 0.052
true Kuipers skill score: 0.000 true Kuipers skill score: -0.023
threat score:
0.333 0.000 0.000
threat score:
0.053 0.356 0.000
equitable threat score:
0.000 0.000 0.000
equitable threat score:
0.002 -0.026 0.000
probability of detection:
1.000 0.000 0.000
probability of detection:
0.059 0.902 0.000
false alarm rate (FAR):
0.667 0.000 0.000
false alarm rate (FAR):
0.667 0.630 0.000
samples: 6 out of 106 samples: 106 out of 106
%coverage: 5.66 %coverage: 100.00