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CPC Verifications

Forecast 199811-199901

 

Verification Type: categorical precipitation
Tool/Product: seasonal Official Categorical Precip 8.5 mo lead
Region: conus
Averaging Period: 1 season

cat 4 ignored
cat 4 used

contingency table
fcst
obs
0
0
0
0
0
0
0
0
1
3
5
9
1
3
5
9

contingency table
fcst
obs
0
0
0
0
32
38
26
96
1
3
5
9
33
41
31
105

% contingency table
fcst
obs
0
0
0
0
0
0
0
0
11
33
56
100
11
33
56
100

% contingency table
fcst
obs
0
0
0
0
30
36
25
91
1
3
5
9
31
39
30
100

hitrate: 0.556 hitrate: 0.410
bias ratio (>1 overfcst):
0.00 0.00 1.80
bias ratio (>1 overfcst):
0.00 2.34 0.29
Heidke skill score: 0.333 Heidke skill score: 0.114
true Heidke skill score: 0.000 true Heidke skill score: 0.044
Kuipers skill score: 0.333 Kuipers skill score: 0.114
true Kuipers skill score: 0.000 true Kuipers skill score: 0.041
threat score:
0.000 0.000 0.556
threat score:
0.000 0.384 0.143
equitable threat score:
0.000 0.000 0.000
equitable threat score:
0.000 0.008 0.072
probability of detection:
0.000 0.000 1.000
probability of detection:
0.000 0.927 0.161
false alarm rate (FAR):
0.000 0.000 0.444
false alarm rate (FAR):
0.000 0.604 0.444
samples: 9 out of 105 samples: 105 out of 105
%coverage: 8.57 %coverage: 100.00