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CPC Verifications

Forecast 199803-199805

 

Verification Type: categorical precipitation
Tool/Product: seasonal Canonical Corr. Analysis Precip 7.5 mo lead
Region: conus
Averaging Period: 1 season

cat 4 ignored
cat 4 used

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

contingency table
fcst
obs
1
0
1
2
9
18
27
54
1
0
0
1
11
18
28
57

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

% contingency table
fcst
obs
2
0
2
4
16
32
47
95
2
0
0
2
19
32
49
100

hitrate: 0.333 hitrate: 0.333
bias ratio (>1 overfcst):
1.00 -- 1.00
bias ratio (>1 overfcst):
0.18 3.00 0.04
Heidke skill score: 0.000 Heidke skill score: 0.000
true Heidke skill score: -0.500 true Heidke skill score: 0.027
Kuipers skill score: 0.000 Kuipers skill score: 0.000
true Kuipers skill score: -0.500 true Kuipers skill score: 0.030
threat score:
0.333 0.000 0.000
threat score:
0.083 0.333 0.000
equitable threat score:
-0.200 0.000 -0.200
equitable threat score:
0.053 0.026 -0.017
probability of detection:
0.500 0.000 0.000
probability of detection:
0.091 1.000 0.000
false alarm rate (FAR):
0.500 0.000 1.000
false alarm rate (FAR):
0.500 0.667 1.000
samples: 3 out of 57 samples: 57 out of 57
%coverage: 5.26 %coverage: 100.00