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CPC Verifications

Forecast 199804

 

Verification Type: categorical precipitation
Tool/Product: monthly Canonical Corr. Analysis Precip
Region: conus
Averaging Period: 1 month

cat 4 ignored
cat 4 used

contingency table
fcst
obs
0
0
0
0
0
1
0
1
2
0
1
3
2
1
1
4

contingency table
fcst
obs
0
0
0
0
19
13
22
54
2
0
1
3
21
13
23
57

% contingency table
fcst
obs
0
0
0
0
0
25
0
25
50
0
25
75
50
25
25
100

% contingency table
fcst
obs
0
0
0
0
33
23
39
95
4
0
2
5
37
23
40
100

hitrate: 0.500 hitrate: 0.246
bias ratio (>1 overfcst):
0.00 1.00 3.00
bias ratio (>1 overfcst):
0.00 4.15 0.13
Heidke skill score: 0.250 Heidke skill score: -0.132
true Heidke skill score: 0.333 true Heidke skill score: 0.011
Kuipers skill score: 0.250 Kuipers skill score: -0.132
true Kuipers skill score: 0.400 true Kuipers skill score: 0.013
threat score:
0.000 1.000 0.333
threat score:
0.000 0.241 0.040
equitable threat score:
0.000 1.000 0.111
equitable threat score:
0.000 0.016 -0.009
probability of detection:
0.000 1.000 1.000
probability of detection:
0.000 1.000 0.043
false alarm rate (FAR):
0.000 0.000 0.667
false alarm rate (FAR):
0.000 0.759 0.667
samples: 4 out of 57 samples: 57 out of 57
%coverage: 7.02 %coverage: 100.00