Validation of sea ice concentration
Bulletin date: 2012-12-06
Model vs. observations, sea ice class contingency tables
Date: 2012-11-30:
| 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 |
16164 |
7318 |
1032 |
536 |
172 |
15 |
12 |
0 |
| OW |
0 |
556 |
133 |
245 |
141 |
15 |
29 |
0 |
| VODI |
0 |
253 |
100 |
246 |
232 |
77 |
71 |
0 |
| ODI |
0 |
31 |
44 |
183 |
244 |
233 |
85 |
0 |
| CDI |
0 |
0 |
8 |
57 |
293 |
460 |
356 |
0 |
| VCDI |
0 |
0 |
0 |
32 |
74 |
507 |
4879 |
2586 |
|
...date precedes bulletin
|
Date: 2012-12-04:
| 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 |
16313 |
7965 |
600 |
502 |
176 |
45 |
0 |
0 |
| OW |
0 |
344 |
106 |
182 |
190 |
60 |
12 |
0 |
| VODI |
0 |
57 |
86 |
170 |
301 |
177 |
33 |
0 |
| ODI |
0 |
8 |
23 |
66 |
219 |
319 |
44 |
0 |
| CDI |
0 |
0 |
4 |
12 |
161 |
645 |
394 |
17 |
| VCDI |
0 |
0 |
6 |
18 |
88 |
715 |
3349 |
4012 |
|
...date precedes bulletin
|
Date: 2012-12-06:
| 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 |
14452 |
7156 |
2048 |
721 |
267 |
66 |
3 |
0 |
| OW |
0 |
125 |
326 |
281 |
184 |
100 |
19 |
0 |
| VODI |
0 |
26 |
185 |
256 |
334 |
172 |
42 |
0 |
| ODI |
0 |
0 |
42 |
87 |
269 |
221 |
106 |
0 |
| CDI |
0 |
0 |
8 |
45 |
168 |
461 |
338 |
7 |
| VCDI |
0 |
0 |
3 |
18 |
64 |
503 |
5355 |
2961 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14452 |
7266 |
2365 |
1006 |
499 |
216 |
28 |
0 |
| OW |
0 |
28 |
102 |
122 |
114 |
56 |
14 |
0 |
| VODI |
0 |
13 |
89 |
106 |
170 |
81 |
25 |
0 |
| ODI |
0 |
0 |
45 |
92 |
201 |
153 |
86 |
0 |
| CDI |
0 |
0 |
7 |
54 |
204 |
370 |
306 |
8 |
| VCDI |
0 |
0 |
4 |
28 |
98 |
647 |
5404 |
2960 |
|
Date: 2012-12-10:
| 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 |
15809 |
6734 |
1635 |
873 |
216 |
67 |
0 |
0 |
| OW |
0 |
18 |
119 |
205 |
217 |
188 |
8 |
0 |
| VODI |
0 |
0 |
55 |
105 |
234 |
302 |
47 |
0 |
| ODI |
0 |
0 |
25 |
37 |
140 |
413 |
145 |
0 |
| CDI |
0 |
0 |
9 |
17 |
62 |
403 |
480 |
1 |
| VCDI |
0 |
0 |
19 |
18 |
38 |
469 |
5178 |
3133 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15809 |
6707 |
1456 |
793 |
266 |
242 |
47 |
0 |
| OW |
0 |
19 |
94 |
121 |
82 |
69 |
20 |
0 |
| VODI |
0 |
17 |
105 |
127 |
132 |
127 |
37 |
0 |
| ODI |
0 |
4 |
88 |
62 |
142 |
215 |
54 |
0 |
| CDI |
0 |
5 |
76 |
75 |
124 |
312 |
322 |
34 |
| VCDI |
0 |
0 |
43 |
77 |
161 |
877 |
5378 |
3100 |
|
Date: 2012-12-12:
| 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 |
15965 |
7556 |
702 |
497 |
159 |
59 |
2 |
0 |
| OW |
0 |
175 |
215 |
263 |
181 |
79 |
10 |
0 |
| VODI |
0 |
17 |
84 |
202 |
282 |
258 |
59 |
0 |
| ODI |
0 |
13 |
20 |
74 |
176 |
288 |
219 |
0 |
| CDI |
0 |
5 |
15 |
59 |
129 |
292 |
545 |
18 |
| VCDI |
0 |
4 |
17 |
41 |
175 |
375 |
4432 |
3757 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15965 |
7421 |
752 |
599 |
303 |
192 |
56 |
0 |
| OW |
0 |
91 |
72 |
96 |
60 |
67 |
26 |
0 |
| VODI |
0 |
110 |
76 |
129 |
111 |
122 |
49 |
0 |
| ODI |
0 |
68 |
49 |
82 |
122 |
167 |
145 |
0 |
| CDI |
0 |
55 |
50 |
78 |
153 |
221 |
372 |
11 |
| VCDI |
0 |
25 |
54 |
152 |
353 |
582 |
4619 |
3764 |
|
Date: 2012-12-14:
| 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 |
15300 |
7588 |
851 |
606 |
188 |
37 |
0 |
0 |
| OW |
0 |
383 |
230 |
230 |
144 |
83 |
7 |
0 |
| VODI |
0 |
99 |
135 |
284 |
230 |
207 |
76 |
0 |
| ODI |
0 |
12 |
26 |
144 |
214 |
268 |
213 |
0 |
| CDI |
0 |
5 |
6 |
95 |
189 |
261 |
521 |
0 |
| VCDI |
0 |
1 |
34 |
133 |
302 |
496 |
5021 |
2800 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15300 |
7794 |
995 |
777 |
318 |
182 |
79 |
0 |
| OW |
0 |
110 |
71 |
98 |
72 |
55 |
35 |
0 |
| VODI |
0 |
83 |
87 |
114 |
132 |
167 |
58 |
0 |
| ODI |
0 |
46 |
31 |
126 |
120 |
140 |
141 |
0 |
| CDI |
0 |
22 |
22 |
112 |
125 |
159 |
445 |
0 |
| VCDI |
0 |
33 |
76 |
265 |
500 |
649 |
5080 |
2800 |
|
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