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CPC Verifications

Forecast 199504

 

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
0
0
0
0
0
0
0
0
1
0
2
3
1
0
2
3

contingency table
fcst
obs
0
0
0
0
23
46
36
105
1
0
2
3
24
46
38
108

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

% contingency table
fcst
obs
0
0
0
0
21
43
33
97
1
0
2
3
22
43
35
100

hitrate: 0.667 hitrate: 0.444
bias ratio (>1 overfcst):
0.00 -- 1.50
bias ratio (>1 overfcst):
0.00 2.28 0.08
Heidke skill score: 0.500 Heidke skill score: 0.167
true Heidke skill score: 0.000 true Heidke skill score: 0.036
Kuipers skill score: 0.500 Kuipers skill score: 0.167
true Kuipers skill score: 0.000 true Kuipers skill score: 0.032
threat score:
0.000 0.000 0.667
threat score:
0.000 0.438 0.051
equitable threat score:
0.000 0.000 0.000
equitable threat score:
0.000 0.021 0.025
probability of detection:
0.000 0.000 1.000
probability of detection:
0.000 1.000 0.053
false alarm rate (FAR):
0.000 0.000 0.333
false alarm rate (FAR):
0.000 0.562 0.333
samples: 3 out of 108 samples: 108 out of 108
%coverage: 2.78 %coverage: 100.00