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CPC Verifications

Forecast 199808-199810

 

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
2
0
1
3
0
0
0
0
0
0
0
0
2
0
1
3

contingency table
fcst
obs
2
0
1
3
12
22
19
53
0
0
0
0
14
22
20
56

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

% contingency table
fcst
obs
4
0
2
5
21
39
34
95
0
0
0
0
25
39
36
100

hitrate: 0.667 hitrate: 0.429
bias ratio (>1 overfcst):
1.50 -- 0.00
bias ratio (>1 overfcst):
0.21 2.41 0.00
Heidke skill score: 0.500 Heidke skill score: 0.143
true Heidke skill score: 0.000 true Heidke skill score: 0.071
Kuipers skill score: 0.500 Kuipers skill score: 0.143
true Kuipers skill score: 0.000 true Kuipers skill score: 0.066
threat score:
0.667 0.000 0.000
threat score:
0.133 0.415 0.000
equitable threat score:
0.000 0.000 0.000
equitable threat score:
0.088 0.037 0.000
probability of detection:
1.000 0.000 0.000
probability of detection:
0.143 1.000 0.000
false alarm rate (FAR):
0.333 0.000 0.000
false alarm rate (FAR):
0.333 0.585 0.000
samples: 3 out of 56 samples: 56 out of 56
%coverage: 5.36 %coverage: 100.00