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CPC Verifications

Forecast 199804-199806

 

Verification Type: categorical precipitation
Tool/Product: seasonal Canonical Corr. Analysis 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
2
0
1
3
2
0
1
3

contingency table
fcst
obs
0
0
0
0
17
12
25
54
2
0
1
3
19
12
26
57

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

% contingency table
fcst
obs
0
0
0
0
30
21
44
95
4
0
2
5
33
21
46
100

hitrate: 0.333 hitrate: 0.228
bias ratio (>1 overfcst):
0.00 -- 3.00
bias ratio (>1 overfcst):
0.00 4.50 0.12
Heidke skill score: 0.000 Heidke skill score: -0.158
true Heidke skill score: 0.000 true Heidke skill score: 0.006
Kuipers skill score: 0.000 Kuipers skill score: -0.158
true Kuipers skill score: 0.000 true Kuipers skill score: 0.007
threat score:
0.000 0.000 0.333
threat score:
0.000 0.222 0.036
equitable threat score:
0.000 0.000 0.000
equitable threat score:
0.000 0.015 -0.014
probability of detection:
0.000 0.000 1.000
probability of detection:
0.000 1.000 0.038
false alarm rate (FAR):
0.000 0.000 0.667
false alarm rate (FAR):
0.000 0.778 0.667
samples: 3 out of 57 samples: 57 out of 57
%coverage: 5.26 %coverage: 100.00