CPC Banner
 

CPC Verifications

Forecast 200008

 

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
4
3
7
0
0
0
0
4
6
2
12
4
10
5
19

contingency table
fcst
obs
0
4
3
7
38
31
19
88
4
6
2
12
42
41
24
107

% contingency table
fcst
obs
0
21
16
37
0
0
0
0
21
32
11
63
21
53
26
100

% contingency table
fcst
obs
0
4
3
7
36
29
18
82
4
6
2
11
39
38
22
100

hitrate: 0.105 hitrate: 0.308
bias ratio (>1 overfcst):
1.75 0.00 2.40
bias ratio (>1 overfcst):
0.17 2.15 0.50
Heidke skill score: -0.342 Heidke skill score: -0.037
true Heidke skill score: -0.183 true Heidke skill score: -0.091
Kuipers skill score: -0.342 Kuipers skill score: -0.037
true Kuipers skill score: -0.227 true Kuipers skill score: -0.089
threat score:
0.000 0.000 0.133
threat score:
0.000 0.316 0.059
equitable threat score:
-0.155 0.000 -0.098
equitable threat score:
-0.059 -0.042 -0.022
probability of detection:
0.000 0.000 0.400
probability of detection:
0.000 0.756 0.083
false alarm rate (FAR):
1.000 0.000 0.833
false alarm rate (FAR):
1.000 0.648 0.833
samples: 19 out of 107 samples: 107 out of 107
%coverage: 17.76 %coverage: 100.00