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CPC Verifications

Forecast 199810

 

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
1
9
31
41
0
0
0
0
0
0
0
0
1
9
31
41

contingency table
fcst
obs
1
9
31
41
26
25
13
64
0
0
0
0
27
34
44
105

% contingency table
fcst
obs
2
22
76
100
0
0
0
0
0
0
0
0
2
22
76
100

% contingency table
fcst
obs
1
9
30
39
25
24
12
61
0
0
0
0
26
32
42
100

hitrate: 0.024 hitrate: 0.248
bias ratio (>1 overfcst):
41.00 0.00 0.00
bias ratio (>1 overfcst):
1.52 1.88 0.00
Heidke skill score: -0.463 Heidke skill score: -0.129
true Heidke skill score: 0.000 true Heidke skill score: -0.071
Kuipers skill score: -0.463 Kuipers skill score: -0.129
true Kuipers skill score: 0.000 true Kuipers skill score: -0.077
threat score:
0.024 0.000 0.000
threat score:
0.015 0.342 0.000
equitable threat score:
0.000 0.000 0.000
equitable threat score:
-0.169 0.082 0.000
probability of detection:
1.000 0.000 0.000
probability of detection:
0.037 0.735 0.000
false alarm rate (FAR):
0.976 0.000 0.000
false alarm rate (FAR):
0.976 0.609 0.000
samples: 41 out of 105 samples: 105 out of 105
%coverage: 39.05 %coverage: 100.00