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CPC Verifications

Forecast 199908

 

Verification Type: categorical precipitation
Tool/Product: monthly Optimal Climate Normal Precip
Region: conus
Averaging Period: 1 month

cat 4 ignored
cat 4 used

contingency table
fcst
obs
0
1
0
1
0
0
0
0
0
1
0
1
0
2
0
2

contingency table
fcst
obs
0
1
0
1
20
20
21
61
0
1
0
1
20
22
21
63

% contingency table
fcst
obs
0
50
0
50
0
0
0
0
0
50
0
50
0
100
0
100

% contingency table
fcst
obs
0
2
0
2
32
32
33
97
0
2
0
2
32
35
33
100

hitrate: 0.000 hitrate: 0.317
bias ratio (>1 overfcst):
-- 0.00 --
bias ratio (>1 overfcst):
0.05 2.77 0.05
Heidke skill score: -0.500 Heidke skill score: -0.024
true Heidke skill score: 0.000 true Heidke skill score: -0.048
Kuipers skill score: -0.500 Kuipers skill score: -0.024
true Kuipers skill score: nan true Kuipers skill score: -0.047
threat score:
0.000 0.000 0.000
threat score:
0.000 0.317 0.000
equitable threat score:
0.000 0.000 0.000
equitable threat score:
-0.015 -0.031 -0.015
probability of detection:
0.000 0.000 0.000
probability of detection:
0.000 0.909 0.000
false alarm rate (FAR):
1.000 0.000 1.000
false alarm rate (FAR):
1.000 0.672 1.000
samples: 2 out of 63 samples: 63 out of 63
%coverage: 3.17 %coverage: 100.00