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CPC Verifications

Forecast 199808-199810

 

Verification Type: categorical precipitation
Tool/Product: seasonal Sea Fcst Mdl Precip 0.5 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
2
1
0
3
2
1
0
3

contingency table
fcst
obs
0
0
0
0
30
41
30
101
2
1
0
3
32
42
30
104

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

% contingency table
fcst
obs
0
0
0
0
29
39
29
97
2
1
0
3
31
40
29
100

hitrate: 0.000 hitrate: 0.394
bias ratio (>1 overfcst):
0.00 0.00 --
bias ratio (>1 overfcst):
0.00 2.40 0.10
Heidke skill score: -0.500 Heidke skill score: 0.091
true Heidke skill score: 0.000 true Heidke skill score: -0.010
Kuipers skill score: -0.500 Kuipers skill score: 0.091
true Kuipers skill score: 0.000 true Kuipers skill score: -0.010
threat score:
0.000 0.000 0.000
threat score:
0.000 0.402 0.000
equitable threat score:
0.000 0.000 0.000
equitable threat score:
0.000 0.003 -0.027
probability of detection:
0.000 0.000 0.000
probability of detection:
0.000 0.976 0.000
false alarm rate (FAR):
0.000 0.000 1.000
false alarm rate (FAR):
0.000 0.594 1.000
samples: 3 out of 104 samples: 104 out of 104
%coverage: 2.88 %coverage: 100.00