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CPC Verifications

Forecast 199602-199604

 

Verification Type: categorical precipitation
Tool/Product: seasonal Sea Fcst Mdl Precip 3.5 mo lead
Region: conus
Averaging Period: 1 season

cat 4 ignored
cat 4 used

contingency table
fcst
obs
0
2
2
4
0
0
0
0
0
0
0
0
0
2
2
4

contingency table
fcst
obs
0
2
2
4
20
16
17
53
0
0
0
0
20
18
19
57

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

% contingency table
fcst
obs
0
4
4
7
35
28
30
93
0
0
0
0
35
32
33
100

hitrate: 0.000 hitrate: 0.281
bias ratio (>1 overfcst):
-- 0.00 0.00
bias ratio (>1 overfcst):
0.20 2.94 0.00
Heidke skill score: -0.500 Heidke skill score: -0.079
true Heidke skill score: 0.000 true Heidke skill score: -0.055
Kuipers skill score: -0.500 Kuipers skill score: -0.079
true Kuipers skill score: 0.000 true Kuipers skill score: -0.056
threat score:
0.000 0.000 0.000
threat score:
0.000 0.291 0.000
equitable threat score:
0.000 0.000 0.000
equitable threat score:
-0.062 -0.019 0.000
probability of detection:
0.000 0.000 0.000
probability of detection:
0.000 0.889 0.000
false alarm rate (FAR):
1.000 0.000 0.000
false alarm rate (FAR):
1.000 0.698 0.000
samples: 4 out of 57 samples: 57 out of 57
%coverage: 7.02 %coverage: 100.00