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CPC Verifications

Forecast 199805-199807

 

Verification Type: categorical precipitation
Tool/Product: seasonal Official Categorical Precip 4.5 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
0
0
6
6
0
0
6
6

contingency table
fcst
obs
0
0
0
0
23
30
46
99
0
0
6
6
23
30
52
105

% contingency table
fcst
obs
0
0
0
0
0
0
0
0
0
0
100
100
0
0
100
100

% contingency table
fcst
obs
0
0
0
0
22
29
44
94
0
0
6
6
22
29
50
100

hitrate: 1.000 hitrate: 0.343
bias ratio (>1 overfcst):
-- -- 1.00
bias ratio (>1 overfcst):
0.00 3.30 0.12
Heidke skill score: 1.000 Heidke skill score: 0.014
true Heidke skill score: nan true Heidke skill score: 0.064
Kuipers skill score: 1.000 Kuipers skill score: 0.014
true Kuipers skill score: nan true Kuipers skill score: 0.072
threat score:
0.000 0.000 1.000
threat score:
0.000 0.303 0.115
equitable threat score:
0.000 0.000 0.000
equitable threat score:
0.000 0.024 0.062
probability of detection:
0.000 0.000 1.000
probability of detection:
0.000 1.000 0.115
false alarm rate (FAR):
0.000 0.000 0.000
false alarm rate (FAR):
0.000 0.697 0.000
samples: 6 out of 105 samples: 105 out of 105
%coverage: 5.71 %coverage: 100.00