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CPC Verifications

Forecast 199905-199907

 

Verification Type: categorical precipitation
Tool/Product: seasonal Official Categorical Precip 5.5 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
0
4
1
3
0
4

contingency table
fcst
obs
0
0
0
0
15
25
18
58
1
3
0
4
16
28
18
62

% contingency table
fcst
obs
0
0
0
0
0
0
0
0
25
75
0
100
25
75
0
100

% contingency table
fcst
obs
0
0
0
0
24
40
29
94
2
5
0
6
26
45
29
100

hitrate: 0.000 hitrate: 0.403
bias ratio (>1 overfcst):
0.00 0.00 --
bias ratio (>1 overfcst):
0.00 2.07 0.22
Heidke skill score: -0.500 Heidke skill score: 0.105
true Heidke skill score: 0.000 true Heidke skill score: -0.068
Kuipers skill score: -0.500 Kuipers skill score: 0.105
true Kuipers skill score: 0.000 true Kuipers skill score: -0.059
threat score:
0.000 0.000 0.000
threat score:
0.000 0.410 0.000
equitable threat score:
0.000 0.000 0.000
equitable threat score:
0.000 -0.034 -0.056
probability of detection:
0.000 0.000 0.000
probability of detection:
0.000 0.893 0.000
false alarm rate (FAR):
0.000 0.000 1.000
false alarm rate (FAR):
0.000 0.569 1.000
samples: 4 out of 62 samples: 62 out of 62
%coverage: 6.45 %coverage: 100.00