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CPC Verifications

Forecast 200208

 

Verification Type: categorical precipitation
Tool/Product: monthly Official Categorical Precip
Region: conus
Averaging Period: 1 month

cat 4 ignored
cat 4 used

contingency table
fcst
obs
3
0
1
4
0
0
0
0
0
0
0
0
3
0
1
4

contingency table
fcst
obs
3
0
1
4
44
34
26
104
0
0
0
0
47
34
27
108

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

% contingency table
fcst
obs
3
0
1
4
41
31
24
96
0
0
0
0
44
31
25
100

hitrate: 0.750 hitrate: 0.343
bias ratio (>1 overfcst):
1.33 -- 0.00
bias ratio (>1 overfcst):
0.09 3.06 0.00
Heidke skill score: 0.625 Heidke skill score: 0.014
true Heidke skill score: 0.000 true Heidke skill score: 0.034
Kuipers skill score: 0.625 Kuipers skill score: 0.014
true Kuipers skill score: 0.000 true Kuipers skill score: 0.036
threat score:
0.750 0.000 0.000
threat score:
0.062 0.327 0.000
equitable threat score:
0.000 0.000 0.000
equitable threat score:
0.027 0.018 0.000
probability of detection:
1.000 0.000 0.000
probability of detection:
0.064 1.000 0.000
false alarm rate (FAR):
0.250 0.000 0.000
false alarm rate (FAR):
0.250 0.673 0.000
samples: 4 out of 108 samples: 108 out of 108
%coverage: 3.70 %coverage: 100.00