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CPC Verifications

Forecast 199808

 

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
10
9
0
19
0
0
0
0
0
0
0
0
10
9
0
19

contingency table
fcst
obs
10
9
0
19
29
34
21
84
0
0
0
0
39
43
21
103

% contingency table
fcst
obs
53
47
0
100
0
0
0
0
0
0
0
0
53
47
0
100

% contingency table
fcst
obs
10
9
0
18
28
33
20
82
0
0
0
0
38
42
20
100

hitrate: 0.526 hitrate: 0.427
bias ratio (>1 overfcst):
1.90 0.00 --
bias ratio (>1 overfcst):
0.49 1.95 0.00
Heidke skill score: 0.289 Heidke skill score: 0.141
true Heidke skill score: 0.000 true Heidke skill score: 0.029
Kuipers skill score: 0.289 Kuipers skill score: 0.141
true Kuipers skill score: 0.000 true Kuipers skill score: 0.026
threat score:
0.526 0.000 0.000
threat score:
0.208 0.366 0.000
equitable threat score:
0.000 0.000 0.000
equitable threat score:
0.069 -0.018 0.000
probability of detection:
1.000 0.000 0.000
probability of detection:
0.256 0.791 0.000
false alarm rate (FAR):
0.474 0.000 0.000
false alarm rate (FAR):
0.474 0.595 0.000
samples: 19 out of 104 samples: 103 out of 104
%coverage: 18.27 %coverage: 99.04