Validation of sea ice concentration
Bulletin date: 2012-06-28
Model vs. observations, sea ice class contingency tables
Date: 2012-06-22:
| 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 |
17286 |
6863 |
1545 |
1160 |
296 |
43 |
14 |
8 |
| OW |
0 |
10 |
63 |
470 |
336 |
126 |
51 |
5 |
| VODI |
0 |
2 |
22 |
246 |
331 |
305 |
163 |
2 |
| ODI |
0 |
0 |
43 |
118 |
212 |
390 |
516 |
2 |
| CDI |
0 |
0 |
7 |
63 |
186 |
322 |
1628 |
138 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
850 |
3597 |
|
...date precedes bulletin
|
Date: 2012-06-26:
| 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 |
17370 |
7038 |
1583 |
1071 |
407 |
114 |
46 |
7 |
| OW |
0 |
0 |
80 |
201 |
308 |
183 |
45 |
6 |
| VODI |
0 |
0 |
28 |
120 |
381 |
451 |
81 |
2 |
| ODI |
0 |
0 |
0 |
33 |
245 |
1025 |
166 |
2 |
| CDI |
0 |
0 |
0 |
15 |
78 |
291 |
717 |
38 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
80 |
1740 |
3467 |
|
...date precedes bulletin
|
Date: 2012-06-28:
| 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 |
18532 |
6590 |
1468 |
648 |
316 |
62 |
51 |
8 |
| OW |
0 |
3 |
113 |
307 |
339 |
86 |
49 |
5 |
| VODI |
0 |
0 |
33 |
160 |
372 |
489 |
92 |
2 |
| ODI |
0 |
0 |
1 |
37 |
263 |
732 |
241 |
1 |
| CDI |
0 |
0 |
0 |
30 |
137 |
382 |
1239 |
535 |
| VCDI |
0 |
0 |
0 |
1 |
2 |
35 |
1137 |
2921 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18532 |
6593 |
1573 |
978 |
758 |
247 |
151 |
8 |
| OW |
0 |
0 |
22 |
76 |
119 |
118 |
17 |
0 |
| VODI |
0 |
0 |
18 |
55 |
182 |
297 |
55 |
4 |
| ODI |
0 |
0 |
2 |
43 |
228 |
706 |
176 |
42 |
| CDI |
0 |
0 |
0 |
29 |
137 |
334 |
1412 |
420 |
| VCDI |
0 |
0 |
0 |
2 |
5 |
84 |
998 |
2998 |
|
Date: 2012-07-02:
| 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 |
19302 |
6605 |
1247 |
503 |
284 |
147 |
49 |
0 |
| OW |
0 |
5 |
76 |
200 |
285 |
202 |
5 |
0 |
| VODI |
0 |
0 |
28 |
118 |
329 |
387 |
27 |
0 |
| ODI |
0 |
0 |
0 |
29 |
290 |
698 |
129 |
0 |
| CDI |
0 |
0 |
0 |
11 |
81 |
390 |
1188 |
556 |
| VCDI |
0 |
0 |
0 |
2 |
8 |
51 |
1101 |
3086 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19302 |
6602 |
1291 |
713 |
702 |
492 |
108 |
0 |
| OW |
0 |
4 |
25 |
46 |
87 |
133 |
24 |
1 |
| VODI |
0 |
3 |
25 |
45 |
183 |
307 |
67 |
19 |
| ODI |
0 |
1 |
7 |
36 |
221 |
495 |
250 |
89 |
| CDI |
0 |
0 |
3 |
23 |
84 |
441 |
1519 |
554 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
7 |
531 |
2979 |
|
Date: 2012-07-04:
| 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 |
19689 |
6682 |
785 |
432 |
529 |
185 |
38 |
0 |
| OW |
0 |
25 |
43 |
118 |
363 |
251 |
7 |
0 |
| VODI |
0 |
2 |
17 |
70 |
212 |
544 |
61 |
0 |
| ODI |
0 |
0 |
6 |
22 |
57 |
691 |
251 |
0 |
| CDI |
0 |
0 |
2 |
10 |
62 |
421 |
1357 |
484 |
| VCDI |
0 |
0 |
0 |
2 |
0 |
22 |
1054 |
2925 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19689 |
6653 |
801 |
548 |
940 |
647 |
144 |
9 |
| OW |
0 |
23 |
12 |
28 |
69 |
141 |
58 |
11 |
| VODI |
0 |
20 |
15 |
29 |
81 |
398 |
98 |
21 |
| ODI |
0 |
10 |
11 |
35 |
80 |
517 |
304 |
93 |
| CDI |
0 |
3 |
14 |
14 |
53 |
402 |
1709 |
459 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
9 |
455 |
2816 |
|
Date: 2012-07-06:
| 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 |
20230 |
5939 |
1032 |
446 |
521 |
324 |
53 |
0 |
| OW |
0 |
23 |
59 |
98 |
354 |
185 |
24 |
0 |
| VODI |
0 |
0 |
17 |
54 |
298 |
463 |
129 |
0 |
| ODI |
0 |
0 |
2 |
38 |
164 |
346 |
435 |
0 |
| CDI |
0 |
0 |
2 |
23 |
112 |
240 |
1493 |
896 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
17 |
645 |
2754 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
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