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CPC Verifications

Forecast 199809-199811

 

Verification Type: categorical precipitation
Tool/Product: seasonal Canonical Corr. Analysis Precip 4.5 mo lead
Region: conus
Averaging Period: 1 season

cat 4 ignored
cat 4 used

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

contingency table
fcst
obs
0
0
0
0
10
20
26
56
1
0
0
1
11
20
26
57

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

% contingency table
fcst
obs
0
0
0
0
18
35
46
98
2
0
0
2
19
35
46
100

hitrate: 0.667 hitrate: 0.351
bias ratio (>1 overfcst):
0.00 1.00 --
bias ratio (>1 overfcst):
0.00 2.80 0.04
Heidke skill score: 0.500 Heidke skill score: 0.026
true Heidke skill score: 0.400 true Heidke skill score: -0.003
Kuipers skill score: 0.500 Kuipers skill score: 0.026
true Kuipers skill score: 0.500 true Kuipers skill score: -0.003
threat score:
0.000 1.000 0.000
threat score:
0.000 0.357 0.000
equitable threat score:
0.000 1.000 0.000
equitable threat score:
0.000 0.010 -0.017
probability of detection:
0.000 1.000 0.000
probability of detection:
0.000 1.000 0.000
false alarm rate (FAR):
0.000 0.000 1.000
false alarm rate (FAR):
0.000 0.643 1.000
samples: 3 out of 57 samples: 57 out of 57
%coverage: 5.26 %coverage: 100.00