Validation of sea ice concentration
Bulletin date: 2012-07-05
Model vs. observations, sea ice class contingency tables
Date: 2012-06-29:
| 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 |
18844 |
6679 |
1247 |
738 |
187 |
19 |
54 |
8 |
| OW |
0 |
19 |
98 |
413 |
252 |
72 |
51 |
5 |
| VODI |
0 |
0 |
51 |
287 |
491 |
216 |
97 |
2 |
| ODI |
0 |
0 |
0 |
100 |
489 |
399 |
195 |
2 |
| CDI |
0 |
0 |
0 |
42 |
163 |
319 |
1495 |
586 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
10 |
847 |
2941 |
|
...date precedes bulletin
|
Date: 2012-07-03:
| 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 |
19740 |
6653 |
818 |
450 |
460 |
147 |
38 |
0 |
| OW |
0 |
18 |
56 |
156 |
290 |
242 |
9 |
0 |
| VODI |
0 |
0 |
31 |
96 |
288 |
400 |
33 |
0 |
| ODI |
0 |
0 |
2 |
26 |
211 |
626 |
185 |
0 |
| CDI |
0 |
0 |
0 |
10 |
90 |
343 |
1377 |
512 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
49 |
1075 |
2984 |
|
...date precedes bulletin
|
Date: 2012-07-05:
| 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 |
20013 |
5951 |
1253 |
603 |
444 |
134 |
48 |
0 |
| OW |
0 |
12 |
43 |
152 |
345 |
207 |
27 |
0 |
| VODI |
0 |
2 |
25 |
72 |
314 |
389 |
140 |
0 |
| ODI |
0 |
0 |
2 |
45 |
170 |
392 |
348 |
0 |
| CDI |
0 |
0 |
1 |
15 |
61 |
339 |
1543 |
531 |
| VCDI |
0 |
0 |
0 |
1 |
1 |
10 |
834 |
2952 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20013 |
5964 |
1303 |
758 |
843 |
403 |
153 |
4 |
| OW |
0 |
1 |
11 |
43 |
101 |
82 |
51 |
3 |
| VODI |
0 |
0 |
6 |
41 |
150 |
244 |
191 |
9 |
| ODI |
0 |
0 |
4 |
35 |
172 |
363 |
604 |
78 |
| CDI |
0 |
0 |
0 |
10 |
67 |
356 |
1033 |
428 |
| VCDI |
0 |
0 |
0 |
1 |
2 |
23 |
908 |
2961 |
|
Date: 2012-07-09:
| 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 |
21230 |
5418 |
726 |
577 |
497 |
359 |
28 |
0 |
| OW |
0 |
6 |
62 |
102 |
197 |
105 |
18 |
0 |
| VODI |
0 |
0 |
2 |
59 |
290 |
392 |
95 |
0 |
| ODI |
0 |
0 |
0 |
20 |
261 |
752 |
492 |
0 |
| CDI |
0 |
0 |
0 |
2 |
20 |
123 |
1488 |
1244 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
5 |
627 |
2221 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21230 |
5414 |
753 |
662 |
814 |
646 |
296 |
33 |
| OW |
0 |
7 |
18 |
28 |
89 |
114 |
97 |
10 |
| VODI |
0 |
3 |
15 |
29 |
122 |
245 |
228 |
41 |
| ODI |
0 |
0 |
4 |
29 |
154 |
348 |
251 |
67 |
| CDI |
0 |
0 |
0 |
12 |
87 |
380 |
1440 |
726 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
3 |
436 |
2588 |
|
Date: 2012-07-11:
| 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 |
21169 |
5674 |
598 |
668 |
545 |
259 |
30 |
0 |
| OW |
0 |
7 |
35 |
182 |
206 |
73 |
26 |
0 |
| VODI |
0 |
0 |
3 |
114 |
377 |
375 |
99 |
0 |
| ODI |
0 |
0 |
0 |
40 |
321 |
502 |
385 |
0 |
| CDI |
0 |
0 |
0 |
11 |
41 |
115 |
1768 |
1267 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
5 |
429 |
2094 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21169 |
5668 |
615 |
836 |
943 |
560 |
410 |
9 |
| OW |
0 |
6 |
5 |
44 |
75 |
84 |
81 |
12 |
| VODI |
0 |
6 |
10 |
49 |
150 |
211 |
138 |
32 |
| ODI |
0 |
1 |
6 |
61 |
150 |
235 |
224 |
32 |
| CDI |
0 |
0 |
0 |
25 |
173 |
238 |
1530 |
813 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1 |
354 |
2463 |
|
Date: 2012-07-13:
| 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 |
20855 |
5776 |
738 |
1133 |
338 |
82 |
30 |
0 |
| OW |
0 |
11 |
20 |
263 |
194 |
71 |
42 |
0 |
| VODI |
0 |
0 |
7 |
252 |
484 |
252 |
79 |
0 |
| ODI |
0 |
0 |
1 |
74 |
336 |
311 |
417 |
0 |
| CDI |
0 |
0 |
0 |
7 |
25 |
121 |
1779 |
1344 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
4 |
402 |
1971 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20855 |
5751 |
721 |
1432 |
813 |
346 |
489 |
24 |
| OW |
0 |
19 |
14 |
60 |
70 |
55 |
43 |
12 |
| VODI |
0 |
12 |
14 |
122 |
159 |
106 |
92 |
23 |
| ODI |
0 |
5 |
15 |
100 |
161 |
110 |
224 |
31 |
| CDI |
0 |
0 |
2 |
15 |
174 |
222 |
1522 |
951 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2 |
379 |
2274 |
|
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