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CPC Verifications

Forecast 199807

 

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
1
0
1
2
0
0
0
0
0
0
0
0
1
0
1
2

contingency table
fcst
obs
1
0
1
2
15
19
26
60
0
0
0
0
16
19
27
62

% contingency table
fcst
obs
50
0
50
100
0
0
0
0
0
0
0
0
50
0
50
100

% contingency table
fcst
obs
2
0
2
3
24
31
42
97
0
0
0
0
26
31
44
100

hitrate: 0.500 hitrate: 0.323
bias ratio (>1 overfcst):
2.00 -- 0.00
bias ratio (>1 overfcst):
0.12 3.16 0.00
Heidke skill score: 0.250 Heidke skill score: -0.016
true Heidke skill score: 0.000 true Heidke skill score: 0.025
Kuipers skill score: 0.250 Kuipers skill score: -0.016
true Kuipers skill score: 0.000 true Kuipers skill score: 0.027
threat score:
0.500 0.000 0.000
threat score:
0.059 0.317 0.000
equitable threat score:
0.000 0.000 0.000
equitable threat score:
0.029 0.015 0.000
probability of detection:
1.000 0.000 0.000
probability of detection:
0.062 1.000 0.000
false alarm rate (FAR):
0.500 0.000 0.000
false alarm rate (FAR):
0.500 0.683 0.000
samples: 2 out of 62 samples: 62 out of 62
%coverage: 3.23 %coverage: 100.00