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CPC Verifications

Forecast 199707

 

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
0
1
1
0
1
2
3
0
1
3
4

contingency table
fcst
obs
0
0
0
0
13
20
21
54
0
1
2
3
13
21
23
57

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

% contingency table
fcst
obs
0
0
0
0
23
35
37
95
0
2
4
5
23
37
40
100

hitrate: 0.500 hitrate: 0.386
bias ratio (>1 overfcst):
-- 1.00 1.00
bias ratio (>1 overfcst):
0.00 2.57 0.13
Heidke skill score: 0.250 Heidke skill score: 0.079
true Heidke skill score: -0.333 true Heidke skill score: 0.025
Kuipers skill score: 0.250 Kuipers skill score: 0.079
true Kuipers skill score: -0.333 true Kuipers skill score: 0.024
threat score:
0.000 0.000 0.500
threat score:
0.000 0.364 0.083
equitable threat score:
0.000 -0.143 -0.143
equitable threat score:
0.000 0.003 0.035
probability of detection:
0.000 0.000 0.667
probability of detection:
0.000 0.952 0.087
false alarm rate (FAR):
0.000 1.000 0.333
false alarm rate (FAR):
0.000 0.630 0.333
samples: 4 out of 57 samples: 57 out of 57
%coverage: 7.02 %coverage: 100.00