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CPC Verifications

Forecast 199908-199910

 

Verification Type: categorical precipitation
Tool/Product: seasonal Official Categorical Precip 2.5 mo lead
Region: conus
Averaging Period: 1 season

cat 4 ignored
cat 4 used

contingency table
fcst
obs
0
2
1
3
0
0
0
0
0
0
0
0
0
2
1
3

contingency table
fcst
obs
0
2
1
3
25
15
19
59
0
0
0
0
25
17
20
62

% contingency table
fcst
obs
0
67
33
100
0
0
0
0
0
0
0
0
0
67
33
100

% contingency table
fcst
obs
0
3
2
5
40
24
31
95
0
0
0
0
40
27
32
100

hitrate: 0.000 hitrate: 0.242
bias ratio (>1 overfcst):
-- 0.00 0.00
bias ratio (>1 overfcst):
0.12 3.47 0.00
Heidke skill score: -0.500 Heidke skill score: -0.137
true Heidke skill score: 0.000 true Heidke skill score: -0.054
Kuipers skill score: -0.500 Kuipers skill score: -0.137
true Kuipers skill score: 0.000 true Kuipers skill score: -0.058
threat score:
0.000 0.000 0.000
threat score:
0.000 0.246 0.000
equitable threat score:
0.000 0.000 0.000
equitable threat score:
-0.045 -0.026 0.000
probability of detection:
0.000 0.000 0.000
probability of detection:
0.000 0.882 0.000
false alarm rate (FAR):
1.000 0.000 0.000
false alarm rate (FAR):
1.000 0.746 0.000
samples: 3 out of 62 samples: 62 out of 62
%coverage: 4.84 %coverage: 100.00