CPC Banner
 

CPC Verifications

Forecast 199910-199912

 

Verification Type: categorical precipitation
Tool/Product: seasonal Sea Fcst Mdl Precip 1.5 mo lead
Region: conus
Averaging Period: 1 season

cat 4 ignored
cat 4 used

contingency table
fcst
obs
0
0
0
0
1
1
0
2
1
0
0
1
2
1
0
3

contingency table
fcst
obs
0
0
0
0
47
11
4
62
1
0
0
1
48
11
4
63

% contingency table
fcst
obs
0
0
0
0
33
33
0
67
33
0
0
33
67
33
0
100

% contingency table
fcst
obs
0
0
0
0
75
17
6
98
2
0
0
2
76
17
6
100

hitrate: 0.333 hitrate: 0.175
bias ratio (>1 overfcst):
0.00 2.00 --
bias ratio (>1 overfcst):
0.00 5.64 0.25
Heidke skill score: 0.000 Heidke skill score: -0.238
true Heidke skill score: 0.143 true Heidke skill score: 0.002
Kuipers skill score: 0.000 Kuipers skill score: -0.238
true Kuipers skill score: 0.250 true Kuipers skill score: 0.005
threat score:
0.000 0.500 0.000
threat score:
0.000 0.177 0.000
equitable threat score:
0.000 0.250 0.000
equitable threat score:
0.000 0.003 -0.013
probability of detection:
0.000 1.000 0.000
probability of detection:
0.000 1.000 0.000
false alarm rate (FAR):
0.000 0.500 1.000
false alarm rate (FAR):
0.000 0.823 1.000
samples: 3 out of 63 samples: 63 out of 63
%coverage: 4.76 %coverage: 100.00