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CPC Verifications

Forecast 199808-199810

 

Verification Type: categorical precipitation
Tool/Product: seasonal Canonical Corr. Analysis Precip 2.5 mo lead
Region: conus
Averaging Period: 1 season

cat 4 ignored
cat 4 used

contingency table
fcst
obs
0
1
0
1
1
0
0
1
0
0
0
0
1
1
0
2

contingency table
fcst
obs
0
1
0
1
14
21
20
55
0
0
0
0
14
22
20
56

% contingency table
fcst
obs
0
50
0
50
50
0
0
50
0
0
0
0
50
50
0
100

% contingency table
fcst
obs
0
2
0
2
25
38
36
98
0
0
0
0
25
39
36
100

hitrate: 0.000 hitrate: 0.375
bias ratio (>1 overfcst):
1.00 1.00 --
bias ratio (>1 overfcst):
0.07 2.50 0.00
Heidke skill score: -0.500 Heidke skill score: 0.062
true Heidke skill score: -1.000 true Heidke skill score: -0.025
Kuipers skill score: -0.500 Kuipers skill score: 0.062
true Kuipers skill score: -1.000 true Kuipers skill score: -0.023
threat score:
0.000 0.000 0.000
threat score:
0.000 0.375 0.000
equitable threat score:
-0.333 -0.333 0.000
equitable threat score:
-0.017 -0.018 0.000
probability of detection:
0.000 0.000 0.000
probability of detection:
0.000 0.955 0.000
false alarm rate (FAR):
1.000 1.000 0.000
false alarm rate (FAR):
1.000 0.618 0.000
samples: 2 out of 56 samples: 56 out of 56
%coverage: 3.57 %coverage: 100.00