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CPC Verifications

Forecast 199806

 

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
1
1
0
3
0
3
0
3
1
4

contingency table
fcst
obs
0
0
0
0
14
16
29
59
0
3
0
3
14
19
29
62

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

% contingency table
fcst
obs
0
0
0
0
23
26
47
95
0
5
0
5
23
31
47
100

hitrate: 0.000 hitrate: 0.258
bias ratio (>1 overfcst):
-- 0.33 3.00
bias ratio (>1 overfcst):
0.00 3.11 0.10
Heidke skill score: -0.500 Heidke skill score: -0.113
true Heidke skill score: -0.600 true Heidke skill score: -0.082
Kuipers skill score: -0.500 Kuipers skill score: -0.113
true Kuipers skill score: -1.000 true Kuipers skill score: -0.088
threat score:
0.000 0.000 0.000
threat score:
0.000 0.258 0.000
equitable threat score:
0.000 -0.231 -0.231
equitable threat score:
0.000 -0.047 -0.046
probability of detection:
0.000 0.000 0.000
probability of detection:
0.000 0.842 0.000
false alarm rate (FAR):
0.000 1.000 1.000
false alarm rate (FAR):
0.000 0.729 1.000
samples: 4 out of 62 samples: 62 out of 62
%coverage: 6.45 %coverage: 100.00