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CPC Verifications

Forecast 199606-199608

 

Verification Type: categorical precipitation
Tool/Product: seasonal Canonical Corr. Analysis Precip 3.5 mo lead
Region: conus
Averaging Period: 1 season

cat 4 ignored
cat 4 used

contingency table
fcst
obs
0
2
0
2
0
0
0
0
0
0
2
2
0
2
2
4

contingency table
fcst
obs
0
2
0
2
21
17
15
53
0
0
2
2
21
19
17
57

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

% contingency table
fcst
obs
0
4
0
4
37
30
26
93
0
0
4
4
37
33
30
100

hitrate: 0.500 hitrate: 0.333
bias ratio (>1 overfcst):
-- 0.00 1.00
bias ratio (>1 overfcst):
0.10 2.79 0.12
Heidke skill score: 0.250 Heidke skill score: 0.000
true Heidke skill score: 0.333 true Heidke skill score: 0.000
Kuipers skill score: 0.250 Kuipers skill score: 0.000
true Kuipers skill score: 0.500 true Kuipers skill score: 0.000
threat score:
0.000 0.000 1.000
threat score:
0.000 0.309 0.118
equitable threat score:
0.000 0.000 1.000
equitable threat score:
-0.033 -0.018 0.086
probability of detection:
0.000 0.000 1.000
probability of detection:
0.000 0.895 0.118
false alarm rate (FAR):
1.000 0.000 0.000
false alarm rate (FAR):
1.000 0.679 0.000
samples: 4 out of 57 samples: 57 out of 57
%coverage: 7.02 %coverage: 100.00