CPC Banner
 

CPC Verifications

Forecast 199801

 

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
0
1
0
1
0
2
0
2
2
1
2
5
2
4
2
8

contingency table
fcst
obs
0
1
0
1
4
15
32
51
2
1
2
5
6
17
34
57

% contingency table
fcst
obs
0
13
0
13
0
25
0
25
25
13
25
63
25
50
25
100

% contingency table
fcst
obs
0
2
0
2
7
26
56
89
4
2
4
9
11
30
60
100

hitrate: 0.500 hitrate: 0.298
bias ratio (>1 overfcst):
0.50 0.50 2.50
bias ratio (>1 overfcst):
0.17 3.00 0.15
Heidke skill score: 0.250 Heidke skill score: -0.053
true Heidke skill score: 0.273 true Heidke skill score: -0.034
Kuipers skill score: 0.250 Kuipers skill score: -0.053
true Kuipers skill score: 0.300 true Kuipers skill score: -0.042
threat score:
0.000 0.500 0.400
threat score:
0.000 0.283 0.054
equitable threat score:
-0.091 0.333 0.200
equitable threat score:
-0.015 -0.006 -0.029
probability of detection:
0.000 0.500 1.000
probability of detection:
0.000 0.882 0.059
false alarm rate (FAR):
1.000 0.000 0.600
false alarm rate (FAR):
1.000 0.706 0.600
samples: 8 out of 57 samples: 57 out of 57
%coverage: 14.04 %coverage: 100.00