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CPC Verifications

Forecast 199703

 

Verification Type: categorical precipitation
Tool/Product: monthly Canonical Corr. Analysis Precip
Region: conus
Averaging Period: 1 month

cat 4 ignored
cat 4 used

contingency table
fcst
obs
0
0
0
0
0
0
0
0
1
1
2
4
1
1
2
4

contingency table
fcst
obs
0
0
0
0
27
14
12
53
1
1
2
4
28
15
14
57

% contingency table
fcst
obs
0
0
0
0
0
0
0
0
25
25
50
100
25
25
50
100

% contingency table
fcst
obs
0
0
0
0
47
25
21
93
2
2
4
7
49
26
25
100

hitrate: 0.500 hitrate: 0.281
bias ratio (>1 overfcst):
0.00 0.00 2.00
bias ratio (>1 overfcst):
0.00 3.53 0.29
Heidke skill score: 0.250 Heidke skill score: -0.079
true Heidke skill score: 0.000 true Heidke skill score: 0.025
Kuipers skill score: 0.250 Kuipers skill score: -0.079
true Kuipers skill score: 0.000 true Kuipers skill score: 0.030
threat score:
0.000 0.000 0.500
threat score:
0.000 0.259 0.125
equitable threat score:
0.000 0.000 0.000
equitable threat score:
0.000 0.001 0.068
probability of detection:
0.000 0.000 1.000
probability of detection:
0.000 0.933 0.143
false alarm rate (FAR):
0.000 0.000 0.500
false alarm rate (FAR):
0.000 0.736 0.500
samples: 4 out of 57 samples: 57 out of 57
%coverage: 7.02 %coverage: 100.00