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CPC Verifications

Forecast 199504-199506

 

Verification Type: categorical precipitation
Tool/Product: seasonal Official Categorical Precip 2.5 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
4
7
15
26
4
7
15
26

contingency table
fcst
obs
0
0
0
0
26
18
37
81
4
7
15
26
30
25
52
107

% contingency table
fcst
obs
0
0
0
0
0
0
0
0
15
27
58
100
15
27
58
100

% contingency table
fcst
obs
0
0
0
0
24
17
35
76
4
7
14
24
28
23
49
100

hitrate: 0.577 hitrate: 0.308
bias ratio (>1 overfcst):
0.00 0.00 1.73
bias ratio (>1 overfcst):
0.00 3.24 0.50
Heidke skill score: 0.365 Heidke skill score: -0.037
true Heidke skill score: 0.000 true Heidke skill score: 0.019
Kuipers skill score: 0.365 Kuipers skill score: -0.037
true Kuipers skill score: 0.000 true Kuipers skill score: 0.021
threat score:
0.000 0.000 0.577
threat score:
0.000 0.205 0.238
equitable threat score:
0.000 0.000 0.000
equitable threat score:
0.000 -0.013 0.047
probability of detection:
0.000 0.000 1.000
probability of detection:
0.000 0.720 0.288
false alarm rate (FAR):
0.000 0.000 0.423
false alarm rate (FAR):
0.000 0.778 0.423
samples: 26 out of 107 samples: 107 out of 107
%coverage: 24.30 %coverage: 100.00