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CPC Verifications

Forecast 199807-199809

 

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
1
0
1
0
0
0
0
1
0
0
1
1
1
0
2

contingency table
fcst
obs
0
1
0
1
19
13
22
54
1
0
0
1
20
14
22
56

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

% contingency table
fcst
obs
0
2
0
2
34
23
39
96
2
0
0
2
36
25
39
100

hitrate: 0.000 hitrate: 0.232
bias ratio (>1 overfcst):
1.00 0.00 --
bias ratio (>1 overfcst):
0.05 3.86 0.05
Heidke skill score: -0.500 Heidke skill score: -0.152
true Heidke skill score: -0.333 true Heidke skill score: -0.030
Kuipers skill score: -0.500 Kuipers skill score: -0.152
true Kuipers skill score: -0.500 true Kuipers skill score: -0.034
threat score:
0.000 0.000 0.000
threat score:
0.000 0.236 0.000
equitable threat score:
-0.333 0.000 0.000
equitable threat score:
-0.017 -0.012 -0.017
probability of detection:
0.000 0.000 0.000
probability of detection:
0.000 0.929 0.000
false alarm rate (FAR):
1.000 0.000 1.000
false alarm rate (FAR):
1.000 0.759 1.000
samples: 2 out of 56 samples: 56 out of 56
%coverage: 3.57 %coverage: 100.00