CPC Banner
 

CPC Verifications

Forecast 199509-199511

 

Verification Type: categorical precipitation
Tool/Product: seasonal Official Categorical Precip 6.5 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
10
9
8
27
10
9
8
27

contingency table
fcst
obs
0
0
0
0
23
21
34
78
10
9
8
27
33
30
42
105

% contingency table
fcst
obs
0
0
0
0
0
0
0
0
37
33
30
100
37
33
30
100

% contingency table
fcst
obs
0
0
0
0
22
20
32
74
10
9
8
26
31
29
40
100

hitrate: 0.296 hitrate: 0.276
bias ratio (>1 overfcst):
0.00 0.00 3.38
bias ratio (>1 overfcst):
0.00 2.60 0.64
Heidke skill score: -0.056 Heidke skill score: -0.086
true Heidke skill score: 0.000 true Heidke skill score: -0.057
Kuipers skill score: -0.056 Kuipers skill score: -0.086
true Kuipers skill score: 0.000 true Kuipers skill score: -0.059
threat score:
0.000 0.000 0.296
threat score:
0.000 0.241 0.131
equitable threat score:
0.000 0.000 0.000
equitable threat score:
0.000 -0.020 -0.056
probability of detection:
0.000 0.000 1.000
probability of detection:
0.000 0.700 0.190
false alarm rate (FAR):
0.000 0.000 0.704
false alarm rate (FAR):
0.000 0.731 0.704
samples: 27 out of 105 samples: 105 out of 105
%coverage: 25.71 %coverage: 100.00