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CPC Verifications

Forecast 200206-200208

 

Verification Type: categorical precipitation
Tool/Product: seasonal Official Categorical Precip 1.5 mo lead
Region: conus
Averaging Period: 1 season

cat 4 ignored
cat 4 used

contingency table
fcst
obs
0
1
3
4
0
0
0
0
0
0
0
0
0
1
3
4

contingency table
fcst
obs
0
1
3
4
57
31
16
104
0
0
0
0
57
32
19
108

% contingency table
fcst
obs
0
25
75
100
0
0
0
0
0
0
0
0
0
25
75
100

% contingency table
fcst
obs
0
1
3
4
53
29
15
96
0
0
0
0
53
30
18
100

hitrate: 0.000 hitrate: 0.287
bias ratio (>1 overfcst):
-- 0.00 0.00
bias ratio (>1 overfcst):
0.07 3.25 0.00
Heidke skill score: -0.500 Heidke skill score: -0.069
true Heidke skill score: 0.000 true Heidke skill score: -0.026
Kuipers skill score: -0.500 Kuipers skill score: -0.069
true Kuipers skill score: 0.000 true Kuipers skill score: -0.030
threat score:
0.000 0.000 0.000
threat score:
0.000 0.295 0.000
equitable threat score:
0.000 0.000 0.000
equitable threat score:
-0.036 0.002 0.000
probability of detection:
0.000 0.000 0.000
probability of detection:
0.000 0.969 0.000
false alarm rate (FAR):
1.000 0.000 0.000
false alarm rate (FAR):
1.000 0.702 0.000
samples: 4 out of 108 samples: 108 out of 108
%coverage: 3.70 %coverage: 100.00