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CPC Verifications

Forecast 199704-199706

 

Verification Type: categorical precipitation
Tool/Product: seasonal Official Categorical Precip 11.5 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
1
1
0
0
1
1

contingency table
fcst
obs
0
0
0
0
31
31
42
104
0
0
1
1
31
31
43
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
30
30
40
99
0
0
1
1
30
30
41
100

hitrate: 1.000 hitrate: 0.305
bias ratio (>1 overfcst):
-- -- 1.00
bias ratio (>1 overfcst):
0.00 3.35 0.02
Heidke skill score: 1.000 Heidke skill score: -0.043
true Heidke skill score: nan true Heidke skill score: 0.012
Kuipers skill score: 1.000 Kuipers skill score: -0.043
true Kuipers skill score: nan true Kuipers skill score: 0.013
threat score:
0.000 0.000 1.000
threat score:
0.000 0.298 0.023
equitable threat score:
0.000 0.000 0.000
equitable threat score:
0.000 0.004 0.014
probability of detection:
0.000 0.000 1.000
probability of detection:
0.000 1.000 0.023
false alarm rate (FAR):
0.000 0.000 0.000
false alarm rate (FAR):
0.000 0.702 0.000
samples: 1 out of 105 samples: 105 out of 105
%coverage: 0.95 %coverage: 100.00