CPC Banner
 

CPC Verifications

Forecast 199901-199903

 

Verification Type: categorical precipitation
Tool/Product: seasonal Canonical Corr. Analysis Precip 10.5 mo lead
Region: conus
Averaging Period: 1 season

cat 4 ignored
cat 4 used

contingency table
fcst
obs
2
0
2
4
0
0
0
0
0
0
0
0
2
0
2
4

contingency table
fcst
obs
2
0
2
4
16
19
18
53
0
0
0
0
18
19
20
57

% contingency table
fcst
obs
50
0
50
100
0
0
0
0
0
0
0
0
50
0
50
100

% contingency table
fcst
obs
4
0
4
7
28
33
32
93
0
0
0
0
32
33
35
100

hitrate: 0.500 hitrate: 0.368
bias ratio (>1 overfcst):
2.00 -- 0.00
bias ratio (>1 overfcst):
0.22 2.79 0.00
Heidke skill score: 0.250 Heidke skill score: 0.053
true Heidke skill score: 0.000 true Heidke skill score: 0.054
Kuipers skill score: 0.250 Kuipers skill score: 0.053
true Kuipers skill score: 0.000 true Kuipers skill score: 0.055
threat score:
0.500 0.000 0.000
threat score:
0.100 0.358 0.000
equitable threat score:
0.000 0.000 0.000
equitable threat score:
0.039 0.038 0.000
probability of detection:
1.000 0.000 0.000
probability of detection:
0.111 1.000 0.000
false alarm rate (FAR):
0.500 0.000 0.000
false alarm rate (FAR):
0.500 0.642 0.000
samples: 4 out of 57 samples: 57 out of 57
%coverage: 7.02 %coverage: 100.00