Validation of sea ice concentration
Bulletin date: 2012-06-21
Model vs. observations, sea ice class contingency tables
Date: 2012-06-15:
| 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 |
17267 |
7199 |
1157 |
533 |
136 |
34 |
4 |
6 |
| OW |
0 |
75 |
118 |
360 |
209 |
92 |
30 |
7 |
| VODI |
0 |
4 |
65 |
225 |
307 |
428 |
168 |
2 |
| ODI |
0 |
0 |
21 |
116 |
116 |
303 |
307 |
1 |
| CDI |
0 |
0 |
28 |
53 |
122 |
514 |
2637 |
296 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
5 |
885 |
3589 |
|
...date precedes bulletin
|
Date: 2012-06-19:
| 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 |
17282 |
7147 |
1126 |
840 |
342 |
79 |
16 |
7 |
| OW |
0 |
2 |
90 |
182 |
328 |
224 |
47 |
6 |
| VODI |
0 |
0 |
19 |
158 |
289 |
508 |
179 |
2 |
| ODI |
0 |
0 |
20 |
47 |
126 |
526 |
637 |
1 |
| CDI |
0 |
0 |
0 |
10 |
27 |
188 |
1629 |
3 |
| VCDI |
0 |
0 |
0 |
1 |
1 |
6 |
1436 |
3888 |
|
...date precedes bulletin
|
Date: 2012-06-21:
| 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 |
17249 |
7074 |
1391 |
1073 |
228 |
34 |
16 |
9 |
| OW |
0 |
7 |
56 |
448 |
354 |
101 |
69 |
4 |
| VODI |
0 |
0 |
25 |
173 |
405 |
349 |
132 |
2 |
| ODI |
0 |
0 |
20 |
37 |
145 |
350 |
730 |
9 |
| CDI |
0 |
0 |
0 |
11 |
43 |
185 |
1836 |
259 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
980 |
3615 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17249 |
7081 |
1450 |
1436 |
603 |
208 |
130 |
7 |
| OW |
0 |
0 |
18 |
113 |
109 |
59 |
46 |
1 |
| VODI |
0 |
0 |
5 |
122 |
214 |
106 |
128 |
2 |
| ODI |
0 |
0 |
18 |
60 |
192 |
417 |
495 |
23 |
| CDI |
0 |
0 |
1 |
11 |
56 |
221 |
2038 |
452 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
8 |
926 |
3413 |
|
Date: 2012-06-25:
| 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 |
17695 |
6604 |
1621 |
987 |
374 |
130 |
29 |
7 |
| OW |
0 |
0 |
79 |
259 |
321 |
118 |
51 |
6 |
| VODI |
0 |
0 |
36 |
140 |
442 |
377 |
74 |
2 |
| ODI |
0 |
0 |
0 |
51 |
267 |
1120 |
215 |
1 |
| CDI |
0 |
0 |
0 |
13 |
46 |
216 |
732 |
21 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
32 |
1688 |
3665 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17695 |
6604 |
1694 |
1264 |
852 |
492 |
110 |
7 |
| OW |
0 |
0 |
4 |
57 |
109 |
108 |
37 |
1 |
| VODI |
0 |
0 |
10 |
48 |
168 |
296 |
65 |
3 |
| ODI |
0 |
0 |
19 |
35 |
195 |
691 |
144 |
5 |
| CDI |
0 |
0 |
9 |
45 |
123 |
393 |
1997 |
805 |
| VCDI |
0 |
0 |
0 |
1 |
3 |
13 |
436 |
2881 |
|
Date: 2012-06-27:
| 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 |
17488 |
6898 |
2133 |
710 |
272 |
109 |
47 |
8 |
| OW |
0 |
1 |
78 |
310 |
309 |
96 |
48 |
5 |
| VODI |
0 |
0 |
23 |
183 |
381 |
399 |
94 |
2 |
| ODI |
0 |
0 |
1 |
36 |
297 |
813 |
220 |
2 |
| CDI |
0 |
0 |
0 |
20 |
111 |
351 |
968 |
437 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
66 |
1471 |
3028 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17488 |
6881 |
2160 |
1082 |
727 |
424 |
132 |
7 |
| OW |
0 |
8 |
16 |
39 |
90 |
108 |
34 |
1 |
| VODI |
0 |
9 |
20 |
39 |
148 |
295 |
81 |
2 |
| ODI |
0 |
1 |
18 |
28 |
224 |
535 |
153 |
6 |
| CDI |
0 |
0 |
20 |
64 |
176 |
464 |
2123 |
833 |
| VCDI |
0 |
0 |
1 |
7 |
9 |
8 |
325 |
2633 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18844 |
6685 |
1302 |
1221 |
680 |
186 |
149 |
10 |
| OW |
0 |
9 |
21 |
74 |
112 |
76 |
41 |
0 |
| VODI |
0 |
2 |
21 |
106 |
221 |
156 |
74 |
6 |
| ODI |
0 |
1 |
18 |
103 |
388 |
253 |
145 |
6 |
| CDI |
0 |
1 |
32 |
70 |
177 |
342 |
2123 |
1215 |
| VCDI |
0 |
0 |
2 |
6 |
5 |
22 |
207 |
2307 |
|
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