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CPC Verifications

Forecast 199804

 

Verification Type: categorical precipitation
Tool/Product: monthly Optimal Climate Normal 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
3
0
1
4
3
0
1
4

contingency table
fcst
obs
0
0
0
0
18
13
22
53
3
0
1
4
21
13
23
57

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

% contingency table
fcst
obs
0
0
0
0
32
23
39
93
5
0
2
7
37
23
40
100

hitrate: 0.250 hitrate: 0.246
bias ratio (>1 overfcst):
0.00 -- 4.00
bias ratio (>1 overfcst):
0.00 4.08 0.17
Heidke skill score: -0.125 Heidke skill score: -0.132
true Heidke skill score: 0.000 true Heidke skill score: 0.007
Kuipers skill score: -0.125 Kuipers skill score: -0.132
true Kuipers skill score: 0.000 true Kuipers skill score: 0.008
threat score:
0.000 0.000 0.250
threat score:
0.000 0.245 0.038
equitable threat score:
0.000 0.000 0.000
equitable threat score:
0.000 0.022 -0.025
probability of detection:
0.000 0.000 1.000
probability of detection:
0.000 1.000 0.043
false alarm rate (FAR):
0.000 0.000 0.750
false alarm rate (FAR):
0.000 0.755 0.750
samples: 4 out of 57 samples: 57 out of 57
%coverage: 7.02 %coverage: 100.00