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CPC Verifications

Forecast 199904-199906

 

Verification Type: categorical precipitation
Tool/Product: seasonal Official Categorical Precip 10.5 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
31
30
43
104
0
2
0
2
31
32
43
106

% 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
29
28
41
98
0
2
0
2
29
30
41
100

hitrate: 0.000 hitrate: 0.283
bias ratio (>1 overfcst):
-- 0.00 --
bias ratio (>1 overfcst):
0.00 3.25 0.05
Heidke skill score: -0.500 Heidke skill score: -0.075
true Heidke skill score: 0.000 true Heidke skill score: -0.030
Kuipers skill score: -0.500 Kuipers skill score: -0.075
true Kuipers skill score: nan true Kuipers skill score: -0.032
threat score:
0.000 0.000 0.000
threat score:
0.000 0.283 0.000
equitable threat score:
0.000 0.000 0.000
equitable threat score:
0.000 -0.019 -0.018
probability of detection:
0.000 0.000 0.000
probability of detection:
0.000 0.938 0.000
false alarm rate (FAR):
0.000 0.000 1.000
false alarm rate (FAR):
0.000 0.712 1.000
samples: 2 out of 106 samples: 106 out of 106
%coverage: 1.89 %coverage: 100.00