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CPC Verifications

Forecast 199811-199901

 

Verification Type: categorical precipitation
Tool/Product: seasonal Canonical Corr. Analysis Precip 3.5 mo lead
Region: conus
Averaging Period: 1 season

cat 4 ignored
cat 4 used

contingency table
fcst
obs
0
0
0
0
0
1
0
1
1
3
3
7
1
4
3
8

contingency table
fcst
obs
0
0
0
0
20
21
14
55
1
3
3
7
21
24
17
62

% contingency table
fcst
obs
0
0
0
0
0
13
0
13
13
38
38
88
13
50
38
100

% contingency table
fcst
obs
0
0
0
0
32
34
23
89
2
5
5
11
34
39
27
100

hitrate: 0.500 hitrate: 0.387
bias ratio (>1 overfcst):
0.00 0.25 2.33
bias ratio (>1 overfcst):
0.00 2.29 0.41
Heidke skill score: 0.250 Heidke skill score: 0.081
true Heidke skill score: 0.179 true Heidke skill score: 0.020
Kuipers skill score: 0.250 Kuipers skill score: 0.081
true Kuipers skill score: 0.184 true Kuipers skill score: 0.019
threat score:
0.000 0.250 0.429
threat score:
0.000 0.362 0.143
equitable threat score:
0.000 0.143 0.086
equitable threat score:
0.000 -0.008 0.057
probability of detection:
0.000 0.250 1.000
probability of detection:
0.000 0.875 0.176
false alarm rate (FAR):
0.000 0.000 0.571
false alarm rate (FAR):
0.000 0.618 0.571
samples: 8 out of 62 samples: 62 out of 62
%coverage: 12.90 %coverage: 100.00