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CPC Verifications

Forecast 199709-199711

 

Verification Type: categorical precipitation
Tool/Product: seasonal Canonical Corr. Analysis Precip 10.5 mo lead
Region: conus
Averaging Period: 1 season

cat 4 ignored
cat 4 used

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

contingency table
fcst
obs
0
0
0
0
18
18
20
56
0
0
1
1
18
18
21
57

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

% contingency table
fcst
obs
0
0
0
0
32
32
35
98
0
0
2
2
32
32
37
100

hitrate: 0.500 hitrate: 0.333
bias ratio (>1 overfcst):
0.00 -- 1.00
bias ratio (>1 overfcst):
0.00 3.11 0.05
Heidke skill score: 0.250 Heidke skill score: 0.000
true Heidke skill score: 0.333 true Heidke skill score: 0.024
Kuipers skill score: 0.250 Kuipers skill score: 0.000
true Kuipers skill score: 0.500 true Kuipers skill score: 0.025
threat score:
0.000 0.000 1.000
threat score:
0.000 0.321 0.048
equitable threat score:
0.000 0.000 1.000
equitable threat score:
0.000 0.008 0.031
probability of detection:
0.000 0.000 1.000
probability of detection:
0.000 1.000 0.048
false alarm rate (FAR):
0.000 1.000 0.000
false alarm rate (FAR):
0.000 0.679 0.000
samples: 2 out of 57 samples: 57 out of 57
%coverage: 3.51 %coverage: 100.00