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CPC Verifications

Forecast 199811-199901

 

Verification Type: categorical precipitation
Tool/Product: seasonal Official Categorical Precip 11.5 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
4
3
7
0
4
3
7

contingency table
fcst
obs
0
0
0
0
33
37
28
98
0
4
3
7
33
41
31
105

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

% contingency table
fcst
obs
0
0
0
0
31
35
27
93
0
4
3
7
31
39
30
100

hitrate: 0.429 hitrate: 0.381
bias ratio (>1 overfcst):
-- 0.00 2.33
bias ratio (>1 overfcst):
0.00 2.39 0.23
Heidke skill score: 0.143 Heidke skill score: 0.071
true Heidke skill score: 0.000 true Heidke skill score: -0.005
Kuipers skill score: 0.143 Kuipers skill score: 0.071
true Kuipers skill score: 0.000 true Kuipers skill score: -0.005
threat score:
0.000 0.000 0.429
threat score:
0.000 0.363 0.086
equitable threat score:
0.000 0.000 0.000
equitable threat score:
0.000 -0.020 0.028
probability of detection:
0.000 0.000 1.000
probability of detection:
0.000 0.902 0.097
false alarm rate (FAR):
0.000 0.000 0.571
false alarm rate (FAR):
0.000 0.622 0.571
samples: 7 out of 105 samples: 105 out of 105
%coverage: 6.67 %coverage: 100.00