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CPC Verifications

Forecast 199904-199906

 

Verification Type: categorical precipitation
Tool/Product: seasonal Official Categorical Precip 7.5 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
2
0
2
0
2
0
2

contingency table
fcst
obs
0
0
0
0
17
16
27
60
0
2
0
2
17
18
27
62

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

% contingency table
fcst
obs
0
0
0
0
27
26
44
97
0
3
0
3
27
29
44
100

hitrate: 0.000 hitrate: 0.258
bias ratio (>1 overfcst):
-- 0.00 --
bias ratio (>1 overfcst):
0.00 3.33 0.07
Heidke skill score: -0.500 Heidke skill score: -0.113
true Heidke skill score: 0.000 true Heidke skill score: -0.052
Kuipers skill score: -0.500 Kuipers skill score: -0.113
true Kuipers skill score: nan true Kuipers skill score: -0.057
threat score:
0.000 0.000 0.000
threat score:
0.000 0.258 0.000
equitable threat score:
0.000 0.000 0.000
equitable threat score:
0.000 -0.032 -0.031
probability of detection:
0.000 0.000 0.000
probability of detection:
0.000 0.889 0.000
false alarm rate (FAR):
0.000 0.000 1.000
false alarm rate (FAR):
0.000 0.733 1.000
samples: 2 out of 62 samples: 62 out of 62
%coverage: 3.23 %coverage: 100.00