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CPC Verifications

Forecast 199503

 

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
1
0
1
0
0
0
0
0
2
1
3
0
3
1
4

contingency table
fcst
obs
0
1
0
1
18
18
17
53
0
2
1
3
18
21
18
57

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

% contingency table
fcst
obs
0
2
0
2
32
32
30
93
0
4
2
5
32
37
32
100

hitrate: 0.250 hitrate: 0.333
bias ratio (>1 overfcst):
-- 0.00 3.00
bias ratio (>1 overfcst):
0.06 2.52 0.17
Heidke skill score: -0.125 Heidke skill score: 0.000
true Heidke skill score: 0.077 true Heidke skill score: -0.049
Kuipers skill score: -0.125 Kuipers skill score: 0.000
true Kuipers skill score: 0.167 true Kuipers skill score: -0.047
threat score:
0.000 0.000 0.333
threat score:
0.000 0.321 0.050
equitable threat score:
0.000 0.000 0.111
equitable threat score:
-0.017 -0.042 0.003
probability of detection:
0.000 0.000 1.000
probability of detection:
0.000 0.857 0.056
false alarm rate (FAR):
1.000 0.000 0.667
false alarm rate (FAR):
1.000 0.660 0.667
samples: 4 out of 57 samples: 57 out of 57
%coverage: 7.02 %coverage: 100.00