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CPC Verifications

Forecast 199708-199710

 

Verification Type: categorical precipitation
Tool/Product: seasonal Canonical Corr. Analysis Precip 0.5 mo lead
Region: conus
Averaging Period: 1 season

cat 4 ignored
cat 4 used

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

contingency table
fcst
obs
0
1
0
1
14
22
20
56
0
0
0
0
14
23
20
57

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

% contingency table
fcst
obs
0
2
0
2
25
39
35
98
0
0
0
0
25
40
35
100

hitrate: 0.000 hitrate: 0.386
bias ratio (>1 overfcst):
1.00 2.00 0.00
bias ratio (>1 overfcst):
0.07 2.43 0.00
Heidke skill score: -0.500 Heidke skill score: 0.079
true Heidke skill score: -0.500 true Heidke skill score: -0.025
Kuipers skill score: -0.500 Kuipers skill score: 0.079
true Kuipers skill score: -0.500 true Kuipers skill score: -0.023
threat score:
0.000 0.000 0.000
threat score:
0.000 0.386 0.000
equitable threat score:
-0.200 -0.286 0.000
equitable threat score:
-0.017 -0.017 0.000
probability of detection:
0.000 0.000 0.000
probability of detection:
0.000 0.957 0.000
false alarm rate (FAR):
1.000 1.000 0.000
false alarm rate (FAR):
1.000 0.607 0.000
samples: 3 out of 57 samples: 57 out of 57
%coverage: 5.26 %coverage: 100.00