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CPC Verifications

Forecast 199807-199809

 

Verification Type: categorical precipitation
Tool/Product: seasonal Official Categorical Precip 7.5 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
0
0
0
0
0
0

contingency table
fcst
obs
0
0
0
0
36
33
35
104
0
0
0
0
36
33
35
104

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

% contingency table
fcst
obs
0
0
0
0
35
32
34
100
0
0
0
0
35
32
34
100

hitrate: nan hitrate: 0.317
bias ratio (>1 overfcst):
nan nan nan
bias ratio (>1 overfcst):
0.00 3.15 0.00
Heidke skill score: nan Heidke skill score: -0.024
true Heidke skill score: nan true Heidke skill score: 0.000
Kuipers skill score: nan Kuipers skill score: -0.024
true Kuipers skill score: nan true Kuipers skill score: 0.000
threat score:
0.000 0.000 0.000
threat score:
0.000 0.317 0.000
equitable threat score:
nan nan nan
equitable threat score:
0.000 0.000 0.000
probability of detection:
0.000 0.000 0.000
probability of detection:
0.000 1.000 0.000
false alarm rate (FAR):
0.000 0.000 0.000
false alarm rate (FAR):
0.000 0.683 0.000
samples: 0 out of 104 samples: 104 out of 104
%coverage: 0.00 %coverage: 100.00