Validation of sea ice concentration
Bulletin date: 2012-07-12
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2012-07-10:
| 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 |
21193 |
5443 |
732 |
648 |
570 |
338 |
32 |
0 |
| OW |
0 |
3 |
28 |
107 |
216 |
88 |
21 |
0 |
| VODI |
0 |
0 |
1 |
77 |
329 |
386 |
89 |
0 |
| ODI |
0 |
0 |
0 |
34 |
290 |
686 |
367 |
0 |
| CDI |
0 |
0 |
0 |
2 |
27 |
136 |
1736 |
1241 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
5 |
482 |
2111 |
|
...date precedes bulletin
|
Date: 2012-07-12:
| 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 |
21238 |
5635 |
594 |
871 |
494 |
71 |
32 |
0 |
| OW |
0 |
6 |
48 |
204 |
220 |
73 |
32 |
0 |
| VODI |
0 |
0 |
9 |
231 |
447 |
239 |
119 |
0 |
| ODI |
0 |
0 |
1 |
84 |
335 |
346 |
431 |
0 |
| CDI |
0 |
0 |
0 |
9 |
51 |
99 |
1754 |
1172 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
5 |
474 |
2094 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21238 |
5639 |
637 |
1107 |
882 |
259 |
365 |
0 |
| OW |
0 |
2 |
7 |
70 |
115 |
73 |
75 |
0 |
| VODI |
0 |
0 |
8 |
123 |
213 |
178 |
106 |
0 |
| ODI |
0 |
0 |
0 |
93 |
269 |
221 |
309 |
43 |
| CDI |
0 |
0 |
0 |
6 |
68 |
100 |
1538 |
675 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
2 |
449 |
2548 |
|
Date: 2012-07-16:
| 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 |
21371 |
5495 |
606 |
1131 |
272 |
64 |
30 |
0 |
| OW |
0 |
0 |
35 |
224 |
164 |
63 |
40 |
0 |
| VODI |
0 |
0 |
7 |
203 |
545 |
196 |
59 |
0 |
| ODI |
0 |
0 |
0 |
39 |
435 |
458 |
580 |
0 |
| CDI |
0 |
0 |
0 |
1 |
4 |
42 |
1625 |
1729 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
4 |
317 |
1680 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21371 |
5495 |
628 |
1449 |
846 |
369 |
355 |
0 |
| OW |
0 |
0 |
11 |
48 |
127 |
57 |
32 |
0 |
| VODI |
0 |
0 |
8 |
63 |
204 |
113 |
103 |
0 |
| ODI |
0 |
0 |
1 |
31 |
154 |
165 |
227 |
7 |
| CDI |
0 |
0 |
0 |
7 |
88 |
123 |
1577 |
1194 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
0 |
357 |
2208 |
|
Date: 2012-07-18:
| 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 |
21731 |
5488 |
678 |
700 |
309 |
82 |
28 |
0 |
| OW |
0 |
7 |
51 |
131 |
254 |
116 |
41 |
0 |
| VODI |
0 |
0 |
5 |
62 |
446 |
512 |
91 |
0 |
| ODI |
0 |
0 |
0 |
16 |
142 |
658 |
698 |
0 |
| CDI |
0 |
0 |
0 |
0 |
5 |
56 |
1469 |
1694 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
11 |
274 |
1664 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21731 |
5491 |
717 |
821 |
877 |
719 |
234 |
0 |
| OW |
0 |
3 |
8 |
24 |
60 |
106 |
45 |
0 |
| VODI |
0 |
1 |
8 |
20 |
88 |
192 |
118 |
0 |
| ODI |
0 |
0 |
1 |
34 |
94 |
206 |
245 |
0 |
| CDI |
0 |
0 |
0 |
10 |
37 |
209 |
1769 |
1256 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
3 |
190 |
2102 |
|
Date: 2012-07-20:
| 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 |
21566 |
5672 |
483 |
958 |
336 |
39 |
22 |
0 |
| OW |
0 |
9 |
53 |
188 |
319 |
57 |
21 |
0 |
| VODI |
0 |
0 |
11 |
153 |
545 |
380 |
107 |
0 |
| ODI |
0 |
0 |
0 |
33 |
169 |
606 |
715 |
0 |
| CDI |
0 |
0 |
0 |
1 |
11 |
37 |
1871 |
1430 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
42 |
1585 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21566 |
5664 |
522 |
1222 |
1016 |
486 |
247 |
0 |
| OW |
0 |
5 |
5 |
20 |
75 |
84 |
44 |
0 |
| VODI |
0 |
10 |
5 |
26 |
128 |
131 |
88 |
0 |
| ODI |
0 |
2 |
15 |
59 |
107 |
159 |
234 |
1 |
| CDI |
0 |
0 |
0 |
6 |
54 |
259 |
2105 |
1155 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
60 |
1859 |
|
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