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CPC Verifications

Forecast 199811-199901

 

Verification Type: categorical precipitation
Tool/Product: seasonal Official Categorical Precip 6.5 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
3
4
7
0
3
4
7

contingency table
fcst
obs
0
0
0
0
33
38
27
98
0
3
4
7
33
41
31
105

% contingency table
fcst
obs
0
0
0
0
0
0
0
0
0
43
57
100
0
43
57
100

% contingency table
fcst
obs
0
0
0
0
31
36
26
93
0
3
4
7
31
39
30
100

hitrate: 0.571 hitrate: 0.400
bias ratio (>1 overfcst):
-- 0.00 1.75
bias ratio (>1 overfcst):
0.00 2.39 0.23
Heidke skill score: 0.357 Heidke skill score: 0.100
true Heidke skill score: 0.000 true Heidke skill score: 0.026
Kuipers skill score: 0.357 Kuipers skill score: 0.100
true Kuipers skill score: 0.000 true Kuipers skill score: 0.024
threat score:
0.000 0.000 0.571
threat score:
0.000 0.376 0.118
equitable threat score:
0.000 0.000 0.000
equitable threat score:
0.000 -0.004 0.061
probability of detection:
0.000 0.000 1.000
probability of detection:
0.000 0.927 0.129
false alarm rate (FAR):
0.000 0.000 0.429
false alarm rate (FAR):
0.000 0.612 0.429
samples: 7 out of 105 samples: 105 out of 105
%coverage: 6.67 %coverage: 100.00