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CPC Verifications

Forecast 200001-200003

 

Verification Type: categorical precipitation
Tool/Product: seasonal Official Categorical Precip 8.5 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
3
1
0
4
3
1
0
4

contingency table
fcst
obs
0
0
0
0
21
19
19
59
3
1
0
4
24
20
19
63

% contingency table
fcst
obs
0
0
0
0
0
0
0
0
75
25
0
100
75
25
0
100

% contingency table
fcst
obs
0
0
0
0
33
30
30
94
5
2
0
6
38
32
30
100

hitrate: 0.000 hitrate: 0.302
bias ratio (>1 overfcst):
0.00 0.00 --
bias ratio (>1 overfcst):
0.00 2.95 0.21
Heidke skill score: -0.500 Heidke skill score: -0.048
true Heidke skill score: 0.000 true Heidke skill score: -0.022
Kuipers skill score: -0.500 Kuipers skill score: -0.048
true Kuipers skill score: 0.000 true Kuipers skill score: -0.022
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:
0.000 0.007 -0.055
probability of detection:
0.000 0.000 0.000
probability of detection:
0.000 0.950 0.000
false alarm rate (FAR):
0.000 0.000 1.000
false alarm rate (FAR):
0.000 0.678 1.000
samples: 4 out of 63 samples: 63 out of 63
%coverage: 6.35 %coverage: 100.00