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CPC Verifications

Forecast 199704

 

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
0
0
0
1
2
3
0
1
2
3

contingency table
fcst
obs
0
0
0
0
18
11
25
54
0
1
2
3
18
12
27
57

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

% contingency table
fcst
obs
0
0
0
0
32
19
44
95
0
2
4
5
32
21
47
100

hitrate: 0.667 hitrate: 0.228
bias ratio (>1 overfcst):
-- 0.00 1.50
bias ratio (>1 overfcst):
0.00 4.50 0.11
Heidke skill score: 0.500 Heidke skill score: -0.158
true Heidke skill score: 0.000 true Heidke skill score: 0.005
Kuipers skill score: 0.500 Kuipers skill score: -0.158
true Kuipers skill score: 0.000 true Kuipers skill score: 0.006
threat score:
0.000 0.000 0.667
threat score:
0.000 0.200 0.071
equitable threat score:
0.000 0.000 0.000
equitable threat score:
0.000 -0.008 0.022
probability of detection:
0.000 0.000 1.000
probability of detection:
0.000 0.917 0.074
false alarm rate (FAR):
0.000 0.000 0.333
false alarm rate (FAR):
0.000 0.796 0.333
samples: 3 out of 57 samples: 57 out of 57
%coverage: 5.26 %coverage: 100.00