CPC Banner
 

CPC Verifications

Forecast 199805-199807

 

Verification Type: categorical precipitation
Tool/Product: seasonal Official Categorical Precip 9.5 mo lead
Region: conus
Averaging Period: 1 season

cat 4 ignored
cat 4 used

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

contingency table
fcst
obs
0
0
0
0
23
30
48
101
0
0
4
4
23
30
52
105

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

% contingency table
fcst
obs
0
0
0
0
22
29
46
96
0
0
4
4
22
29
50
100

hitrate: 1.000 hitrate: 0.324
bias ratio (>1 overfcst):
-- -- 1.00
bias ratio (>1 overfcst):
0.00 3.37 0.08
Heidke skill score: 1.000 Heidke skill score: -0.014
true Heidke skill score: nan true Heidke skill score: 0.043
Kuipers skill score: 1.000 Kuipers skill score: -0.014
true Kuipers skill score: nan true Kuipers skill score: 0.048
threat score:
0.000 0.000 1.000
threat score:
0.000 0.297 0.077
equitable threat score:
0.000 0.000 0.000
equitable threat score:
0.000 0.016 0.040
probability of detection:
0.000 0.000 1.000
probability of detection:
0.000 1.000 0.077
false alarm rate (FAR):
0.000 0.000 0.000
false alarm rate (FAR):
0.000 0.703 0.000
samples: 4 out of 105 samples: 105 out of 105
%coverage: 3.81 %coverage: 100.00