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CPC Verifications

Forecast 199807

 

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
9
12
4
25
9
12
4
25

contingency table
fcst
obs
0
0
0
0
21
24
35
80
9
12
4
25
30
36
39
105

% contingency table
fcst
obs
0
0
0
0
0
0
0
0
36
48
16
100
36
48
16
100

% contingency table
fcst
obs
0
0
0
0
20
23
33
76
9
11
4
24
29
34
37
100

hitrate: 0.160 hitrate: 0.267
bias ratio (>1 overfcst):
0.00 0.00 6.25
bias ratio (>1 overfcst):
0.00 2.22 0.64
Heidke skill score: -0.260 Heidke skill score: -0.100
true Heidke skill score: 0.000 true Heidke skill score: -0.128
Kuipers skill score: -0.260 Kuipers skill score: -0.100
true Kuipers skill score: 0.000 true Kuipers skill score: -0.125
threat score:
0.000 0.000 0.160
threat score:
0.000 0.261 0.067
equitable threat score:
0.000 0.000 0.000
equitable threat score:
0.000 -0.053 -0.104
probability of detection:
0.000 0.000 1.000
probability of detection:
0.000 0.667 0.103
false alarm rate (FAR):
0.000 0.000 0.840
false alarm rate (FAR):
0.000 0.700 0.840
samples: 25 out of 105 samples: 105 out of 105
%coverage: 23.81 %coverage: 100.00