Validation of sea ice concentration
Bulletin date: 2013-10-17
Model vs. observations, sea ice class contingency tables
Date: 2013-10-11:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24717 |
5289 |
291 |
67 |
36 |
34 |
0 |
0 |
| OW |
130 |
434 |
103 |
61 |
54 |
55 |
1 |
0 |
| VODI |
0 |
63 |
85 |
95 |
125 |
98 |
3 |
0 |
| ODI |
0 |
3 |
10 |
43 |
43 |
179 |
5 |
0 |
| CDI |
0 |
0 |
2 |
13 |
75 |
283 |
36 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
100 |
646 |
1963 |
2277 |
|
...date precedes bulletin
|
Date: 2013-10-15:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23584 |
5415 |
314 |
92 |
43 |
15 |
0 |
0 |
| OW |
38 |
521 |
75 |
84 |
65 |
20 |
1 |
0 |
| VODI |
3 |
604 |
128 |
92 |
98 |
52 |
4 |
0 |
| ODI |
0 |
7 |
56 |
64 |
88 |
75 |
7 |
0 |
| CDI |
0 |
0 |
1 |
28 |
102 |
231 |
52 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
86 |
644 |
2265 |
2464 |
|
...date precedes bulletin
|
Date: 2013-10-17:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22323 |
5717 |
292 |
109 |
35 |
19 |
0 |
0 |
| OW |
77 |
537 |
103 |
119 |
90 |
42 |
0 |
0 |
| VODI |
18 |
358 |
110 |
219 |
231 |
99 |
1 |
0 |
| ODI |
0 |
165 |
59 |
78 |
182 |
145 |
2 |
0 |
| CDI |
0 |
6 |
18 |
71 |
86 |
182 |
8 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
89 |
593 |
2611 |
2624 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22418 |
6511 |
438 |
335 |
157 |
65 |
0 |
0 |
| OW |
0 |
85 |
34 |
41 |
46 |
22 |
0 |
0 |
| VODI |
0 |
117 |
27 |
59 |
118 |
43 |
0 |
0 |
| ODI |
0 |
56 |
43 |
53 |
162 |
90 |
0 |
0 |
| CDI |
0 |
14 |
31 |
56 |
100 |
153 |
3 |
0 |
| VCDI |
0 |
0 |
9 |
53 |
130 |
707 |
2619 |
2624 |
|
Date: 2013-10-21:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20499 |
6494 |
689 |
148 |
18 |
1 |
0 |
0 |
| OW |
0 |
271 |
253 |
248 |
52 |
12 |
0 |
0 |
| VODI |
0 |
36 |
136 |
368 |
156 |
46 |
1 |
0 |
| ODI |
0 |
5 |
4 |
224 |
267 |
253 |
5 |
0 |
| CDI |
0 |
0 |
0 |
3 |
161 |
700 |
79 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
70 |
505 |
2845 |
2869 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20499 |
6676 |
923 |
716 |
229 |
57 |
0 |
0 |
| OW |
0 |
44 |
37 |
45 |
63 |
45 |
3 |
0 |
| VODI |
0 |
45 |
42 |
91 |
92 |
136 |
3 |
0 |
| ODI |
0 |
22 |
32 |
70 |
86 |
142 |
8 |
0 |
| CDI |
0 |
14 |
34 |
37 |
109 |
262 |
14 |
0 |
| VCDI |
0 |
5 |
14 |
33 |
145 |
875 |
2902 |
2869 |
|
Date: 2013-10-23:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20078 |
5960 |
560 |
114 |
34 |
7 |
0 |
0 |
| OW |
1 |
638 |
183 |
162 |
76 |
26 |
2 |
0 |
| VODI |
0 |
195 |
138 |
243 |
350 |
77 |
3 |
0 |
| ODI |
0 |
46 |
50 |
68 |
250 |
293 |
34 |
0 |
| CDI |
0 |
0 |
3 |
26 |
147 |
665 |
176 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
40 |
735 |
3179 |
2859 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20079 |
6716 |
814 |
413 |
472 |
232 |
85 |
0 |
| OW |
0 |
36 |
24 |
39 |
50 |
68 |
18 |
0 |
| VODI |
0 |
27 |
30 |
55 |
81 |
170 |
45 |
0 |
| ODI |
0 |
18 |
24 |
47 |
69 |
214 |
18 |
0 |
| CDI |
0 |
22 |
21 |
27 |
96 |
217 |
27 |
0 |
| VCDI |
0 |
20 |
21 |
33 |
129 |
902 |
3201 |
2859 |
|
Date: 2013-10-25:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19959 |
5497 |
390 |
152 |
38 |
4 |
0 |
0 |
| OW |
4 |
675 |
177 |
165 |
93 |
27 |
0 |
0 |
| VODI |
0 |
433 |
96 |
173 |
258 |
132 |
12 |
0 |
| ODI |
0 |
94 |
62 |
101 |
235 |
352 |
69 |
0 |
| CDI |
0 |
2 |
27 |
42 |
140 |
371 |
250 |
0 |
| VCDI |
0 |
0 |
2 |
11 |
78 |
733 |
3562 |
3003 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19963 |
6625 |
650 |
444 |
414 |
308 |
158 |
0 |
| OW |
0 |
36 |
33 |
51 |
49 |
89 |
36 |
0 |
| VODI |
0 |
30 |
27 |
43 |
94 |
155 |
97 |
0 |
| ODI |
0 |
8 |
14 |
30 |
65 |
151 |
107 |
0 |
| CDI |
0 |
2 |
12 |
42 |
103 |
217 |
78 |
0 |
| VCDI |
0 |
0 |
18 |
34 |
117 |
699 |
3417 |
3003 |
|
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